Publication year rev: 7981-2019 / Subject term: artificial membranes / Text availability: Citation in PubAg

1. 3D covalent organic framework for morphologically induced high-performance membranes with strong resistance toward physical aging

Author:: Yanqin Yang; Kunli Goh; Piyarat Weerachanchai; Tae-Hyun Bae
Source:: Journal of membrane science 2019 v.574 pp. 235-242
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; methane; moieties; permeability; physicochemical properties; polymers; porosity; surface area
Abstract:: ... The physicochemical properties of filler materials are critical considerations influencing the separation performances of mixed-matrix membranes (MMMs). Herein, a three-dimensional covalent organic framework (3D-COF) with a secondary amine-containing backbone was designed to offer large surface area, high porosity and good affinity toward CO2 molecules. Membranes prepared from this 3D-COF filler a ...
DOI:: 10.1016/j.memsci.2018.12.078
: https://doi.org/10.1016/j.memsci.2018.12.078

2. 3D printed spacers based on TPMS architectures for scaling control in membrane distillation

Author:: Navya Thomas; Nurshaun Sreedhar; Oraib Al-Ketan; Reza Rowshan; Rashid K. Abu Al-Rub; Hassan Arafat
Source:: Journal of membrane science 2019 v.581 pp. 38-49
ISSN:: 0376-7388
Subject:: alizarin; artificial membranes; calcium sulfate; distillation; fouling; recycling; roughness; staining; temperature
Abstract:: ... In this study, the performance of novel 3D printed spacers was investigated for scaling control in direct contact membrane distillation (DCMD). The spacers, designed as triply periodic minimal surfaces (TPMS), were tested under calcium sulfate scaling conditions, with brine recycling leading to continuous feed concentration increase. The DCMD experiments were done using 1900 mg/L calcium sulfate a ...
DOI:: 10.1016/j.memsci.2019.03.039
: https://doi.org/10.1016/j.memsci.2019.03.039

3. A comprehensively fouling- and solvent-resistant aliphatic polyketone membrane for high-flux filtration of difficult oil-in-water micro- and nanoemulsions

Author:: Lei Zhang; Yuqing Lin; Liang Cheng; Zhe Yang; Hideto Matsuyama
Source:: Journal of membrane science 2019 v.582 pp. 48-58
ISSN:: 0376-7388
Subject:: adhesion; artificial membranes; betaine; droplets; filtration; fouling; hydrophilicity; hydroxylation; mass transfer; nanoemulsions; oils; permeability; pollutants; polymerization; salinity; solvents; surfactants; wastewater; zwitterions
Abstract:: ... Comprehensive fouling resistance, high permeability, high rejection, and robustness are indispensable criteria for advanced oil/water separation membranes intended for sustainable operation under harsh conditions. Accordingly, in the present study, a new class of zwitterionic-polyelectrolyte-grafted aliphatic polyketone (PK) membranes was prepared by the highly controllable surface-initiated atom ...
DOI:: 10.1016/j.memsci.2019.03.090
: https://doi.org/10.1016/j.memsci.2019.03.090

4. A conductive PVDF-Ni membrane with superior rejection, permeance and antifouling ability via electric assisted in-situ aeration for dye separation

Author:: Weiming Yu; Ying Liu; Yanchao Xu; Renjie Li; Jianrong Chen; Bao-Qiang Liao; Liguo Shen; Hongjun Lin
Source:: Journal of membrane science 2019 v.581 pp. 401-412
ISSN:: 0376-7388
Subject:: absorption; aeration; antibacterial properties; artificial membranes; bovine serum albumin; electric field; hydrogen production; textile mill effluents; ultrafiltration; wastewater treatment
Abstract:: ... Ultrafiltration (UF) membrane has recently drawn interest in textile and dyeing wastewater treatment due to its unique advantages of low-cost and large flux. However, its low rejection to dyes and developing appropriate membrane materials remain the major hurdles for its large-scale application. Herein, we developed a novel conductive polyvinylidene fluoride (PVDF)-Ni membrane combined with an ext ...
DOI:: 10.1016/j.memsci.2019.03.083
: https://doi.org/10.1016/j.memsci.2019.03.083

5. A highly permeable loose nanofiltration membrane prepared via layer assembled in-situ mineralization

Author:: Jinglong Zhang; Libin Yang; Zhan Wang; Shigang Yang; Ping Li; Peng Song; Min Ban
Source:: Journal of membrane science 2019 v.587 pp. 117159
ISSN:: 0376-7388
Subject:: aqueous solutions; artificial membranes; calcium carbonate; dyeing; dyes; humic acids; hydrophilicity; mineralization; nanofiltration; nanoparticles; permeability; sodium chloride; wastewater treatment
Abstract:: ... Nanofiltration membrane with high water permeability and anti-fouling nature is particularly needed to be explored in dyeing wastewater treatment. Herein, a hydrophilic calcium carbonate/polyethyleneimine-gallic acid (CaCO3/PEI-GA) loose NF membrane was prepared via a layer assembled in-situ mineralization (LAIM) strategy. This strategy endowed the membrane with the following advantages: the forma ...
DOI:: 10.1016/j.memsci.2019.05.083
: https://doi.org/10.1016/j.memsci.2019.05.083

6. A metal-nano GO frameworks/PPS membrane with super water flux and high dyes interception

Author:: Yuan Gao; Kunmei Su; Xiaotian Wang; Zhenhuan Li
Source:: Journal of membrane science 2019 v.574 pp. 55-64
ISSN:: 0376-7388
Subject:: artificial membranes; calcium; coordination polymers; copper; cross-linking reagents; divalent metals; dyes; electrostatic interactions; graphene oxide; magnesium; metal ions; nongovernmental organizations; permeability
Abstract:: ... Nano graphene oxide (NGO) particles with the multiscale structure were prepared, and divalent metal cations (Ca2+, Cu2+ and Mg2+) were employed as crosslinking agents to closely stack nano NGO particles both on the surface and in the pore-channels of poly(p-phenylene sulfide) (PPS) membrane support forming the novel filter layer which had the similar structure with metal-organic frameworks (MOFs) ...
DOI:: 10.1016/j.memsci.2018.12.052
: https://doi.org/10.1016/j.memsci.2018.12.052

7. A modeling investigation on the thermal effect in osmosis with gap-filled vertically aligned carbon nanotube membranes

Author:: Xiaokang Liu; Liangsuo Shu; Shiping Jin
Source:: Journal of membrane science 2019 v.580 pp. 143-153
ISSN:: 0376-7388
Subject:: artificial membranes; carbon nanotubes; desalination; heat transfer; mass transfer; membrane permeability; models; nanopores; osmosis; osmotic pressure; screening; solvents; temperature; thermal energy
Abstract:: ... In recent decades, various nanoporous materials have attracted extensive interest in separation processes including osmosis-related phenomena due to their high permeability and significant screening ability. Osmosis is a ubiquitous transmembrane process defined in isothermal conditions, and the influence of solution temperature on the mass transfer process has been reported. However, temperature g ...
DOI:: 10.1016/j.memsci.2019.03.002
: https://doi.org/10.1016/j.memsci.2019.03.002

8. A molecular simulation protocol for swelling and organic solvent nanofiltration of polymer membranes

Author:: Jie Liu; Qisong Xu; Jianwen Jiang
Source:: Journal of membrane science 2019 v.573 pp. 639-646
ISSN:: 0376-7388
Subject:: acetone; acetonitrile; artificial membranes; ethanol; methanol; methylene blue; molecular dynamics; nanofiltration; permeability; polymers; porosity; solubility; solvents; viscosity
Abstract:: ... Polymer membranes have received considerable interest for organic solvent nanofiltration (OSN). The OSN performance is governed by many complex factors and quantitative understanding is experimentally challenging. In addition, it is a prerequisite to characterize membrane swelling in solvents prior to nanofiltration. A molecular simulation protocol is developed herein to investigate the swelling o ...
DOI:: 10.1016/j.memsci.2018.12.035
: https://doi.org/10.1016/j.memsci.2018.12.035

9. A new strategy to simultaneously improve the permeability and antifouling properties of EVAL membranes via surface segregation of macrocyclic supra-amphiphiles

Author:: Sisi Ma; Ligang Lin; Qi Wang; Yuhui Zhang; Honglei Zhang; Yixin Gao; Fusheng Pan; Yuzhong Zhang
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: antifouling activities; artificial membranes; composite polymers; cyclodextrins; elemental composition; energy-dispersive X-ray analysis; geometry; hydrophilicity; hydrophobicity; mixing; permeability; scanning electron microscopy; surface roughness; synergism
Abstract:: ... Herein, we propose a new strategy to improve the flux and antifouling properties of ethylene vinyl alcohol (EVAL) membranes by blending with macrocyclic supra-amphiphiles (cyclodextrin; CD). The amphiphilic ‘molecular cage’ geometry of CD, consisting of a hydrophobic cavity segment and hydrophilic rim segment, induces spontaneous surface segregation of CD to form a CD-enriched layer on the membran ...
DOI:: 10.1016/j.memsci.2019.117562
: https://doi.org/10.1016/j.memsci.2019.117562

10. A novel gold nanocomposite membrane with enhanced permeation, rejection and self-cleaning ability

Author:: Milad Rabbani Esfahani; Negin Koutahzadeh; Amirsalar R. Esfahani; Mostafa Dadashi Firouzjaei; Benjamin Anderson; Lauren Peck
Source:: Journal of membrane science 2019 v.573 pp. 309-319
ISSN:: 0376-7388
Subject:: ambient temperature; antifouling activities; artificial membranes; coatings; electrochemistry; filtration; gold; humic acids; hydrophilicity; moieties; nanocomposites; nanogold; permeability; purification methods; water purification
Abstract:: ... The trade-off relationship between permeability, selectivity, and antifouling capability of nanocomposite membranes is the focal point of effective membrane technology. This study introduces a new gold nanocomposite membrane with enhanced antifouling behavior and permeability, as well as improved rejection capability for water treatment. Different (0.5, 1 and 2 wt%) concentrations of citrate-stabi ...
DOI:: 10.1016/j.memsci.2018.11.061
: https://doi.org/10.1016/j.memsci.2018.11.061

11. A novel ion-imprinted membrane induced by amphiphilic block copolymer for selective separation of Pt(IV) from aqueous solutions

Author:: Jianxian Zeng; Chaoqiang Lv; Guoqing Liu; Zhe Zhang; Zhihui Dong; JinYan Liu; Ying Wang
Source:: Journal of membrane science 2019 v.572 pp. 428-441
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; adsorption; aqueous solutions; artificial membranes; composite polymers; contact angle; copper; ions; microfiltration; mixing; nickel; nuclear magnetic resonance spectroscopy; platinum; polymerization; polymethylmethacrylate; scanning electron microscopy; solvents; thermoplastics
Abstract:: ... A novel ion-imprinted blend membrane was fabricated to separate selectively platinum(IV) from aqueous media. An amphiphilic copolymer poly(methyl methacrylate)-b-poly(4-vinylpyridine) (PMMA-b-P4VP) was firstly synthesized via the reversible addition fragmentation chain transfer polymerization, and characterized by 1H NMR, FT-IR and GPC. Subsequently, poly(vinylidene fluoride) (PVDF) blend membrane ...
DOI:: 10.1016/j.memsci.2018.11.016
: https://doi.org/10.1016/j.memsci.2018.11.016

12. A novel membrane with ion-recognizable copolymers in graphene-based nanochannels for facilitated transport of potassium ions

Author:: Jia-Qi Hu; Zhuang Liu; Ke Deng; Zhi-Hao Chen; Quan-Wei Cai; Yousef Faraj; Rui Xie; Xiao-Jie Ju; Wei Wang; Liang-Yin Chu
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; cations; composite polymers; graphene; graphene oxide; nanofiltration; nanosheets; permeability; potassium; sodium; temperature
Abstract:: ... Facilitated transport of K+ ions through membranes is of great significance in both science and technology for the efficient and selective separation of potassium ions. Here, a novel membrane with ion-recognizable copolymers in graphene-based nanochannels is developed for facilitated transport of potassium ions. The poly(N-isopropylacrylamide-co-benzo-15-crown-5-acrylamide) (PNB) copolymers are fi ...
DOI:: 10.1016/j.memsci.2019.117345
: https://doi.org/10.1016/j.memsci.2019.117345

13. A novel smart membrane with ion-recognizable nanogels as gates on interconnected pores for simple and rapid detection of trace lead(II) ions in water

Author:: Yuan Wang; Zhuang Liu; Feng Luo; Han-Yu Peng; Shu-Gui Zhang; Rui Xie; Xiao-Jie Ju; Wei Wang; Yousef Faraj; Liang-Yin Chu
Source:: Journal of membrane science 2019 v.575 pp. 28-37
ISSN:: 0376-7388
Subject:: artificial membranes; detection limit; drinking water; gravity; ions; lead; monitoring; nanoparticles; rapid methods; separation; static pressure
Abstract:: ... A novel smart membrane with ion-recognizable nanogels as gates on interconnected pores is developed for simple and rapid detection of trace lead(II) ions in water. The membrane is prepared via one-step vapor-induced phase separation (VIPS) method, and featured with interconnected porous structure and Pb2+-responsive poly(N-isopropylacrylamide-co-benzo-18-crown-6-acrylamide) (PNB) nanogels on polye ...
DOI:: 10.1016/j.memsci.2019.01.002
: https://doi.org/10.1016/j.memsci.2019.01.002

14. A poly(ionic liquid) complex membrane for pervaporation dehydration of acidic water-isopropanol mixtures

Author:: Sihan Tang; Zhiyue Dong; Xiangwei Zhu; Qiang Zhao
Source:: Journal of membrane science 2019 v.576 pp. 59-65
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; artificial membranes; atomic force microscopy; carboxymethylcellulose; chemical structure; contact angle; ionic liquids; microstructure; pH; pervaporation; scanning electron microscopy; temperature
Abstract:: ... Advanced membranes for pervaporation dehydration of acidic mixtures are demanded since the membrane swelling and stability in acidic feed differ from that in neutral feed. Herein we exploited poly(ionic liquid) complex (PILC) membranes featuring high dehydration performance in acidic conditions versus feed temperature and operation time. A poly(ionic liquid), i.e., poly[1-cyanomethyl-3-vinylimidaz ...
DOI:: 10.1016/j.memsci.2019.01.017
: https://doi.org/10.1016/j.memsci.2019.01.017

15. A polyacrylonitrile (PAN)-based double-layer multifunctional gel polymer electrolyte for lithium-sulfur batteries

Author:: Xiuli Wang; Xiaojing Hao; Yan Xia; Yanfei Liang; Xinhui Xia; Jiangping Tu
Source:: Journal of membrane science 2019 v.582 pp. 37-47
ISSN:: 0376-7388
Subject:: anodes; artificial membranes; batteries; cathodes; electrolytes; gels; liquids; lithium; mechanical properties; polyacrylonitrile; polyethylene glycol
Abstract:: ... Owing to high theoretical capacity, lithium-sulfur batteries (LSBs) are receiving extensive researches. However, cyclic instability and safety issues hugely confine the commercial applications of traditional liquid LSBs. In this work, for the sake of fully leveraging the high ionic conductivity of polyacrylonitrile while avoiding Li anode “passivation effect” caused by CN group, we prepare double- ...
DOI:: 10.1016/j.memsci.2019.03.048
: https://doi.org/10.1016/j.memsci.2019.03.048

16. A relation between membrane permeability and flow rate at low Reynolds number in circular pipe

Author:: Shintaro Takeuchi; Asahi Tazaki; Suguru Miyauchi; Takeo Kajishima
Source:: Journal of membrane science 2019 v.582 pp. 91-102
ISSN:: 0376-7388
Subject:: Reynolds number; artificial membranes; equations; geometry; mathematical models; membrane permeability; momentum; solvents
Abstract:: ... A relation between membrane permeability to a pure solvent and flow rate is derived in a circular pipe driven by a constant pressure difference across the pipe length. Membrane is assumed to be non-deformable and zero thickness, and the permeate flux of pure solvent due to pressure discontinuity across the flat membrane is coupled with the governing equations for incompressible Newtonian fluid in ...
DOI:: 10.1016/j.memsci.2019.03.018
: https://doi.org/10.1016/j.memsci.2019.03.018

17. A zwitterionic interpenetrating network for improving the blood compatibility of polypropylene membranes applied to leukodepletion

Author:: Cheng-Chi Lien; Po-Ju Chen; Antoine Venault; Shuo-Hsi Tang; Ying Fu; Gian Vincent Dizon; Pierre Aimar; Yung Chang
Source:: Journal of membrane science 2019 v.584 pp. 148-160
ISSN:: 0376-7388
Subject:: Escherichia coli; adsorption; artificial membranes; biocompatibility; biofouling; blood platelets; composite polymers; contact angle; cross-linking reagents; deformation; erythrocytes; ethylenediamines; fibrinogen; filters; filtration; hydrophilicity; leukocytes; polypropylenes; zwitterions
Abstract:: ... Although widely used in blood-contacting devices, polypropylene (PP) membranes are prone to biofouling by plasma proteins and blood cells. The present study explores the effect of a surface zwitterionization process on the improvement of the biofouling resistance of PP membranes for leukocyte reduction filters. The modification strategy consists in forming an interpenetrating network of poly(glyci ...
DOI:: 10.1016/j.memsci.2019.04.056
: https://doi.org/10.1016/j.memsci.2019.04.056

18. Acid resistant PVDF-co-HFP based copolymer proton exchange membrane for electro-chemical application

Author:: Prem P. Sharma; Vikrant Yadav; Swati Gahlot; Oksana V. Lebedeva; Alexandra N. Chesnokova; Divesh N. Srivastava; Tatiana V. Raskulova; Vaibhav Kulshrestha
Source:: Journal of membrane science 2019 v.573 pp. 485-492
ISSN:: 0376-7388
Subject:: artificial membranes; acid tolerance; ion exchange capacity; nanomaterials; sulfuric acid; vanadyl ions; hydrophilicity; electrochemistry; vanadium; hydrophobicity; water content; composite polymers; temperature; batteries; permeability; moieties
Abstract:: ... Acid resistant proton exchange membranes (PEMs) are synthesized from aliphatic highly hydrophobic polyvinylidene-co-hexafluoropropylene (PVDF-co-HFP) and aromatic hydrophilic sodium-p-styrene sulfonate at nanostructure level modification. Synthesized copolymer PEMs are analyzed for their chemical structure to confirm the presence of functional groups. Electrochemical characterizations are carried ...
DOI:: 10.1016/j.memsci.2018.12.006
: https://doi.org/10.1016/j.memsci.2018.12.006

19. Aerating static mixers prevent fouling

Author:: Sarah Armbruster; Armand Brochard; Jonas Lölsberg; Süleyman Yüce; Matthias Wessling
Source:: Journal of membrane science 2019 v.570-571 pp. 537-546
ISSN:: 0376-7388
Subject:: air; air sparging; artificial membranes; bubbles; energy; fouling; hydrodynamics; microfiltration; mixers; specific energy; wastewater treatment
Abstract:: ... To mitigate fouling and reduce concentration polarization at membrane surfaces, various measures have been investigated. One approach is to alter the hydrodynamics in a tubular membrane by inserting static mixers, which disturb the flow, enhance particle back-transport and increase the shear rate at the membrane surface. Another approach widely applied in wastewater treatment, but not limited to t ...
DOI:: 10.1016/j.memsci.2018.10.039
: https://doi.org/10.1016/j.memsci.2018.10.039

20. Alkaline durable 2-methylimidazolium containing anion-conducting electrolyte membranes synthesized by radiation-induced grafting for direct hydrazine hydrate fuel cells

Author:: Kimio Yoshimura; Akihiro Hiroki; Hwan-Chul Yu; Yue Zhao; Hideyuki Shishitani; Susumu Yamaguchi; Hirohisa Tanaka; Yasunari Maekawa
Source:: Journal of membrane science 2019 v.573 pp. 403-410
ISSN:: 0376-7388
Subject:: artificial membranes; composite polymers; electrolytes; ethylene; fuel cells; fuels; hydrazine; hydrolysis; ion exchange capacity; potassium hydroxide; styrene
Abstract:: ... Through the radiation-induced grafting of 2-methyl-N-vinylimidazole (MNVIm) and styrene (St) into a poly(ethylene-co-tetrafluoroethylene) film, polyvinylimidazolium hydroxide-grafted anion-conducting polymer electrolyte membranes (AEMs) (MNVIm/St-AEM (OH)) were prepared to prevent two main degradation routes of an imidazolium group (i.e., β-elimination and ring opening hydrolysis reactions). The t ...
DOI:: 10.1016/j.memsci.2018.12.002
: https://doi.org/10.1016/j.memsci.2018.12.002

21. All-silica DD3R zeolite membrane with hydrophilic-functionalized surface for efficient and highly-stable pervaporation dehydration of acetic acid

Author:: Yuting Zhang; Xufeng Qiu; Zhou Hong; Peng Du; Qingnan Song; Xuehong Gu
Source:: Journal of membrane science 2019 v.581 pp. 236-242
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; acetic acid; adsorption; artificial membranes; contact angle; hydrochloric acid; hydrophilicity; hydrophobicity; pervaporation; scanning electron microscopy; sulfuric acid; synergism; zeolites
Abstract:: ... A novel strategy of all-silica zeolite membrane with hydrophilic-functionalized surface was proposed for efficient and highly-stable pervaporation dehydration of acetic acid. 3-aminopropyltriethoxysilane (APTES) was used to graft onto the surface of hollow fiber supported DD3R membrane to enhance its surface hydrophilicity and therefore improve its water/AcOH separation factor. Both pristine DD3R ...
DOI:: 10.1016/j.memsci.2019.03.061
: https://doi.org/10.1016/j.memsci.2019.03.061

22. Aluminum fumarate MOF/PVDF hollow fiber membrane for enhancement of water flux and thermal efficiency in direct contact membrane distillation

Author:: Dongjian Cheng; Lihua Zhao; Na Li; Stefan J.D. Smith; Dongyun Wu; Jianhua Zhang; Derrick Ng; Chunrui Wu; Marta Rubio Martinez; Michael P. Batten; Zongli Xie
Source:: Journal of membrane science 2019 v.588 pp. 117204
ISSN:: 0376-7388
Subject:: additives; aluminum; artificial membranes; coordination polymers; desalination; distillation; fumarates; heat; hydrophobicity; mass transfer; porosity; sodium chloride; temperature; thermal conductivity; thermoplastics
Abstract:: ... Mixed matrix membranes combining the processibility of polymers with the properties of porous nano-additives is an effective method to enhance the performance of membrane distillation (MD) process. In this work, a new type of hydrophobic hybrid PVDF hollow fiber membranes doped with aluminum fumarate metal-organic frameworks (AlFu MOF) was fabricated and their performance in direct contact membran ...
DOI:: 10.1016/j.memsci.2019.117204
: https://doi.org/10.1016/j.memsci.2019.117204

23. Amino-modified hollow mesoporous silica nanospheres-incorporated reverse osmosis membrane with high performance

Author:: Wentao Yan; Mengqi Shi; Zhi Wang; Yong Zhou; Lifen Liu; Song Zhao; Yanli Ji; Jixiao Wang; Congjie Gao
Source:: Journal of membrane science 2019 v.581 pp. 168-177
ISSN:: 0376-7388
Subject:: artificial membranes; hydrophilicity; nanoparticles; nanospheres; polymerization; porous media; reverse osmosis; silica
Abstract:: ... Hollow porous nanoparticles were proposed to transform the skin layer structure for enhancing the performance of reverse osmosis (RO) membrane in this work. Amino-modified hollow mesoporous silica nanospheres (AHMSS) with a size from 110 to 130 nm were successfully prepared via the hard template method. AHMSS were added in the organic phase and then incorporated into the RO membrane skin layer aft ...
DOI:: 10.1016/j.memsci.2019.03.042
: https://doi.org/10.1016/j.memsci.2019.03.042

24. Amphibian-inspired amino acid ionic liquid functionalized nanofiltration membranes with high water permeability and ion selectivity for pigment wastewater treatment

Author:: Hui-Fang Xiao; Chang-Hui Chu; Wang-Ting Xu; Bo-Zhi Chen; Xiao-Hui Ju; Weihong Xing; Shi-Peng Sun
Source:: Journal of membrane science 2019 v.586 pp. 44-52
ISSN:: 0376-7388
Subject:: amino acids; artificial membranes; heat treatment; hydrophilicity; industry; ionic liquids; nanofiltration; permeability; polymerization; porosity; secretion; shrinkage; toads; wastewater; wastewater treatment
Abstract:: ... Inspired by the amphibian skin of Bombina orientalis, which is a kind of ancient toad species, amino acid ionic liquid (AAIL) is employed to functionalize interfacial polymerized nanofiltration membrane. AAIL offers the membranes with (1) higher hydrophilicity leading to pure water permeability of 12.2 L·h−1·m−2·bar−1, which is 63% higher than conventional NF membranes; (2) more negatively charged ...
DOI:: 10.1016/j.memsci.2019.05.038
: https://doi.org/10.1016/j.memsci.2019.05.038

25. Analysis of W/Mo alloying on hydrogen permeation performance of dual phase Nb-Ti-Ni alloys based on hydrogen chemical potentials

Author:: Kunjun Zhu; Xinzhong Li; Zhifei Zhu; Ruirun Chen; Yanqing Su; Jingjie Guo; Markus Rettenmayr; Dongmei Liu
Source:: Journal of membrane science 2019 v.584 pp. 290-299
ISSN:: 0376-7388
Subject:: alloys; artificial membranes; hydrogen; molybdenum; permeability; solubility; temperature
Abstract:: ... Substitution of Nb by the subgroup VI elements W and Mo was performed for dual phase Nb-Ti-Ni alloys containing a large fraction of primary bcc-(Nb) phase, particularly Nb₄₅Ti₂₇.₅Ni₂₇.₅ and Nb₅₆Ti₂₃Ni₂₁. The alloying effect on the hydrogen permeation performance as a function of the W/Mo concentration was analyzed based on a description considering the chemical potential of hydrogen. The substitut ...
DOI:: 10.1016/j.memsci.2019.05.004
: https://doi.org/10.1016/j.memsci.2019.05.004

26. Antifouling performance and mechanisms in an electrochemical ceramic membrane reactor for wastewater treatment

Author:: Weicheng Fu; Xueye Wang; Junjian Zheng; Mingxian Liu; Zhiwei Wang
Source:: Journal of membrane science 2019 v.570-571 pp. 355-361
ISSN:: 0376-7388
Subject:: anodes; artificial membranes; cathodes; ceramics; chlorine; cleaning; dielectric spectroscopy; electric field; electrochemistry; filtration; fouling; hydrogen peroxide; hydroxyl radicals; oxidants; sodium alginate; superoxide anion; wastewater; wastewater treatment
Abstract:: ... Membrane fouling remains as a critical issue limiting the widespread applications of membrane-based technologies for water and wastewater treatment. In this work, an electrochemical ceramic membrane reactor (ECMR), in which ceramic membrane with built-in Ti mesh acted as cathode/filter and Ti/SnO₂-Sb-Ce as anodes, was developed for mitigating membrane fouling during wastewater treatment. Linear sw ...
DOI:: 10.1016/j.memsci.2018.10.077
: https://doi.org/10.1016/j.memsci.2018.10.077

27. Antiwetting and Antifouling Janus Membrane for Desalination of Saline Oily Wastewater by Membrane Distillation

Author:: Chenxi Li; Xuesong Li; Xuewei Du; Tiezheng Tong; Tzahi Y. Cath; Jongho Lee
Source:: ACS applied materials & interfaces 2019 v.11 no.20 pp. 18456-18465
ISSN:: 1944-8252
Subject:: Fourier transform infrared spectroscopy; air; artificial membranes; contact angle; desalination; distillation; droplets; emulsions; energy; ethanol; fluorescence microscopy; fouling; hexane; hydrophilicity; nanoparticles; oils; petroleum; polymers; quartz; sodium chloride; wastewater; zwitterions
Abstract:: ... In this study, we develop Janus membranes comprising a hydrophilic zwitterionic polymer layer and an omniphobic (all-liquid-repelling) porous substrate that simultaneously possess fouling and wetting resistances. An omniphobic membrane was first fabricated by attaching silica nanoparticles (SiNPs) to the fibers of a quartz fiber mat, creating multilevel re-entrant structures, followed by surface f ...
DOI:: 10.1021/acsami.9b04212
: https://doi.org/10.1021/acsami.9b04212

28. Application of rotational vibration in a submerged hollow fibre membrane system for bioseparation of high concentration yeast suspensions

Author:: Milton Chai; Yun Ye; Vicki Chen
Source:: Journal of membrane science 2019 v.573 pp. 145-156
ISSN:: 0376-7388
Subject:: artificial membranes; biomass; carbohydrates; filtration; fouling; fractionation; vibration; yeasts
Abstract:: ... A novel submerged rotational vibration membrane system was investigated using high concentration yeast suspensions to demonstrate the capability of this system for the separation of high concentration biomass. The critical flux and shear rate for this system can be correlated by the expression, Jcritical=1.2γ̅0.55, for the filtration of 200 g/L yeast suspension. Good fouling control performance as ...
DOI:: 10.1016/j.memsci.2018.11.069
: https://doi.org/10.1016/j.memsci.2018.11.069

29. Asymmetric mullite membranes manufactured by phase-inversion tape casting from polymethylsiloxane and aluminum diacetate

Author:: Rafael Kenji Nishihora; Ellen Rudolph; Mara Gabriela Novy Quadri; Dachamir Hotza; Kurosch Rezwan; Michaela Wilhelm
Source:: Journal of membrane science 2019 v.581 pp. 421-429
ISSN:: 0376-7388
Subject:: air; aluminum oxide; artificial membranes; microfiltration; oxidation; permeability; powders; scanning electron microscopy; silica
Abstract:: ... Polymethylsiloxane (MK) and aluminum diacetate have been stoichiometrically combined to synthesize a mullite-based powder (3Al2O3·2SiO2) at 850 °C (5 h) or 1200 °C (3 h). High-purity crystalline mullite (>99%) was obtained by heating the mixture in the air (thermal oxidation) at 1200 °C for 3 h, mainly due to the formation of highly reactive silica and alumina precursors. Afterward, the mullite-ba ...
DOI:: 10.1016/j.memsci.2019.03.047
: https://doi.org/10.1016/j.memsci.2019.03.047

30. Asymmetric porous membranes with ultra-high ion selectivity for vanadium redox flow batteries

Author:: Xinjie Zhou; Rui Xue; Yuguang Zhong; Yue Zhang; Fengjing Jiang
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; batteries; energy efficiency; ionic liquids; microstructure; permeability; separation; strength (mechanics); vanadium; vanadyl ions
Abstract:: ... To develop high ion-selective proton exchange membranes is of great importance for vanadium redox flow batteries. In this work, a novel asymmetric porous sulfonated poly (ether sulfone) (SPES) membrane with ultra-high ion selectivity is prepared via ionic-liquid-induced phase separation. The characteristics of the prepared porous membrane, including microstructure, proton conductivity, VO2+ permea ...
DOI:: 10.1016/j.memsci.2019.117614
: https://doi.org/10.1016/j.memsci.2019.117614

31. Backpulsing technology applied in MF and UF processes for membrane fouling mitigation: A review

Author:: Yinghong Gao; Jie Qin; Zhiwei Wang; Stein W. Østerhus
Source:: Journal of membrane science 2019 v.587 pp. 117136
ISSN:: 0376-7388
Subject:: artificial membranes; cleaning; fouling; mathematical models; microfiltration; operating costs; permeability; ultrafiltration
Abstract:: ... Membrane cleaning is crucial to maintain the permeability and selectivity of membranes. Physical cleaning can mitigate membrane fouling, lower the frequency of chemical cleaning, thus prolong membrane lifetime, and reduce operational costs. Backpulsing is a promising physical cleaning method, which can effectively mitigate external and non-adhesive fouling and has been used in many industrial fiel ...
DOI:: 10.1016/j.memsci.2019.05.060
: https://doi.org/10.1016/j.memsci.2019.05.060

32. Bifunctional ionic liquid and conducting ceramic co-assisted solid polymer electrolyte membrane for quasi-solid-state lithium metal batteries

Author:: Zhengkun Xie; Zhijun Wu; Xiaowei An; Akihiro Yoshida; Zhongde Wang; Xiaogang Hao; Abuliti Abudula; Guoqing Guan
Source:: Journal of membrane science 2019 v.586 pp. 122-129
ISSN:: 0376-7388
Subject:: artificial membranes; cathodes; cations; ceramics; crystal structure; density functional theory; electrochemistry; ionic liquids; lithium; lithium batteries; polyethylene glycol
Abstract:: ... Development of solid polymer electrolytes (SPEs) with high thermal and mechanical stability and fast ion conductivity is the key for high-performance lithium metal batteries (LMBs) with high safety. In this work, a flexible poly-(ethylene oxide) (PEO)-lithium bis(trifluoromethanesulfonyl)imide) (LiTFSI) SPE assisted with a bifunctional ionic liquid (IL) of tetrabutylphosphonium 2-hydroxypyridine ( ...
DOI:: 10.1016/j.memsci.2019.05.066
: https://doi.org/10.1016/j.memsci.2019.05.066

33. Bipyridine-based polybenzimidazole membranes with outstanding hydrogen fuel cell performance at high temperature and non-humidifying conditions

Author:: Mohamed R. Berber; Naotoshi Nakashima
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; electrodes; hydrogen fuel cells; molecular weight; nitrogen; polymers; strength (mechanics); temperature; thermal stability
Abstract:: ... We describe the synthesis of bipyridine-based polybenzimidazole (Bipy-PBI) polymers with various molecular weights (MWs), and used their membranes for fuel cell (FC) applications to reveal the influence of the polymer MWs on the membrane casting, acid-doping level, thermal stability, mechanical properties, and proton conductivity. Bipy-PBI polymers with different MWs ranging from 48 to 141 kDa wer ...
DOI:: 10.1016/j.memsci.2019.117354
: https://doi.org/10.1016/j.memsci.2019.117354

34. Blending polybenzimidazole with an anion exchange polymer increases the efficiency of vanadium redox flow batteries

Author:: Mina Jung; Wonmi Lee; Chanho Noh; Anastasiia Konovalova; Gyu Seong Yi; Sangwon Kim; Yongchai Kwon; Dirk Henkensmeier
Source:: Journal of membrane science 2019 v.580 pp. 110-116
ISSN:: 0376-7388
Subject:: anion exchange; artificial membranes; batteries; electric potential difference; energy efficiency; mixing; modulus of elasticity; polymers; sulfuric acid; tensile strength; vanadium
Abstract:: ... PBI membranes are recently discussed as stable, well performing membranes for vanadium redox flow batteries (VRFB). Blending meta-PBI with an anion exchange polymer (FAA3i) slightly reduces the coulomb efficiency from 99.7 to 97.8%, but strongly increases the voltage efficiency from 82.5 to 88.2%, leading to an increased energy efficiency (86.2% at 80 mA cm−2), exceeding that of meta-PBI (82.2%) a ...
DOI:: 10.1016/j.memsci.2019.03.014
: https://doi.org/10.1016/j.memsci.2019.03.014

35. Bola-amphiphile-imidazole embedded GO membrane with enhanced solvent dehydration properties

Author:: Yangyang Mao; Mengchen Zhang; Long Cheng; Jianwei Yuan; Gongping Liu; Libo Huang; Mihail Barboiu; Wanqin Jin
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; X-ray diffraction; aquaporins; artificial membranes; atomic force microscopy; butanol; graphene oxide; hydrophilicity; nuclear magnetic resonance spectroscopy; pervaporation; solvents; thermogravimetry
Abstract:: ... Inspired by fast and selective water transport in natural Aquaporin (AQP), imidazole-quartet water channels (IQWC) constructed by imidazole-ureido (IU) molecular scaffolds, are excellent candidates to design membranes with fast and selective water transport properties. In this work, a water binding IU bola-amphiphile-imidazole compound was embedded with the hydrophilic and laminated graphene oxide ...
DOI:: 10.1016/j.memsci.2019.117545
: https://doi.org/10.1016/j.memsci.2019.117545

36. Braid-reinforced thin film composite hollow fiber nanofiltration membranes

Author:: Lingling Xia; Jian Ren; Jeffrey R. McCutcheon
Source:: Journal of membrane science 2019 v.585 pp. 109-114
ISSN:: 0376-7388
Subject:: artificial membranes; geometry; magnesium sulfate; nanofiltration; organochlorine compounds; piperazine; polymerization; sodium chloride; ultrafiltration
Abstract:: ... We report on a new thin film composite (TFC) hollow fiber membrane that uses a braid-reinforced hollow fiber ultrafiltration membrane as a support. This reinforced support offers pressure tolerance that far exceeds self-supported hollow fiber membranes with the similar chemistry, morphology and geometry. A selective layer is formed onto this support using interfacial polymerization of piperazine ( ...
DOI:: 10.1016/j.memsci.2019.04.040
: https://doi.org/10.1016/j.memsci.2019.04.040

37. Carbon nanotubes enhance permeability of ultrathin polyamide rejection layers

Author:: Xiao-Hua Ma; Hao Guo; Zhe Yang; Zhi-Kan Yao; Wei-Hua Qing; Yi-Liang Chen; Zhen-Liang Xu; Chuyang Y. Tang
Source:: Journal of membrane science 2019 v.570-571 pp. 139-145
ISSN:: 0376-7388
Subject:: artificial membranes; carbon nanotubes; electric field; nanocomposites; organochlorine compounds; permeability; polyamides; polymerization
Abstract:: ... Membranes with ultrathin rejection layers can effectively achieve high water permeability. In the current study, we report a single-step fabrication of carbon nanotubes (CNTs)-loaded ultrathin film composite (uTFC) polyamide membranes using an electrospray-assisted interfacial polymerization method. In this method, amine and acyl chloride monomer solutions were electrosprayed into micro-droplets t ...
DOI:: 10.1016/j.memsci.2018.10.055
: https://doi.org/10.1016/j.memsci.2018.10.055

38. Cellulose hollow fibers for organic resistant nanofiltration

Author:: Gheorghe Falca; Valentina-Elena Musteata; Ali Reza Behzad; Stefan Chisca; Suzana Pereira Nunes
Source:: Journal of membrane science 2019 v.586 pp. 151-161
ISSN:: 0376-7388
Subject:: X-ray diffraction; acetates; anions; artificial membranes; biopolymers; cations; cellulose; crystal structure; electron microscopy; ethanol; ionic liquids; nanofiltration; phosphates; solubility; spinning
Abstract:: ... Cellulose is the most abundant biopolymer, but it is difficult to process due to its low solubility in most of the solvents. In this work, we demonstrate the preparation, of self-standing and defect-free cellulose hollow fiber membranes made by a sustainable process for filtration in organic solvent medium. The hollow fibers were made by the simple spinning technique using ionic liquids as a solve ...
DOI:: 10.1016/j.memsci.2019.05.009
: https://doi.org/10.1016/j.memsci.2019.05.009

39. Ceramic nanofiltration and membrane distillation hybrid membrane processes for the purification and recycling of boric acid from simulative radioactive waste water

Author:: Xianfu Chen; Ting Chen; Jian Li; Minghui Qiu; Kaiyun Fu; Zhaoliang Cui; Yiqun Fan; Enrico Drioli
Source:: Journal of membrane science 2019 v.579 pp. 294-301
ISSN:: 0376-7388
Subject:: artificial membranes; boric acid; ceramics; cobalt; distillation; hydrophobicity; ions; nanofiltration; nuclear power; permeability; power plants; radioactive waste; recycling; silver; wastewater
Abstract:: ... To reduce the emission of radioactive waste water and reuse high-value 10B-rich nuclear-grade boric acid from a nuclear power plant, a two-step membrane process was proposed based on the combination of two types of ceramic membranes. First, a ceramic nanofiltration membrane was used to purify the boric acid by removing the nuclide. Then, the purified boric acid solution was concentrated by a vacuu ...
DOI:: 10.1016/j.memsci.2019.02.044
: https://doi.org/10.1016/j.memsci.2019.02.044

40. Comb-shaped ether-free poly(biphenyl indole) based alkaline membrane

Author:: Kaifeng Wang; Li Gao; Jiafei Liu; Xiangdong Su; Xiaoming Yan; Yan Dai; Xiaobin Jiang; Xuemei Wu; Gaohong He
Source:: Journal of membrane science 2019 v.588 pp. 117216
ISSN:: 0376-7388
Subject:: artificial membranes; biphenyl; catalytic activity; chemical structure; durability; electric potential difference; electrolysis; energy density; fuel cells; potassium hydroxide
Abstract:: ... High-conductive and alkali-resistant alkaline membranes are needed for fuel cells and water electrolysis. In this work, the ether-free poly(biphenyl indole) (PBN) was synthesized by the means of super acid catalysis. Then comb-shaped piperidinium-functionalized PBN (PBN-Pip) membranes were prepared by the incorporations of 1-bromohexyl-N-methylpiperidinium and 1-bromohexane. The comb-shaped long s ...
DOI:: 10.1016/j.memsci.2019.117216
: https://doi.org/10.1016/j.memsci.2019.117216

41. Comparative study of nanofiltration membrane characterization devices of different dimension and configuration (cross flow and dead end)

Author:: Alessandra Imbrogno; Andrea I. Schäfer
Source:: Journal of membrane science 2019 v.585 pp. 67-80
ISSN:: 0376-7388
Subject:: artificial membranes; hydrodynamics; mass transfer; nanofiltration; systems engineering; tracer techniques
Abstract:: ... Comparison of nanofiltration characterization data from literature is challenging due to different hydrodynamics and system designs, which affect membrane retention. In this study, stirred cell (SC), micro and macro cross flow systems (micro and macro CF) with different configuration were used to measure salt and organic tracer retention. Minimal concentration polarization conditions were applied ...
DOI:: 10.1016/j.memsci.2019.04.035
: https://doi.org/10.1016/j.memsci.2019.04.035

42. Comparison of membrane distillation and high-temperature nanofiltration processes for treatment of silica-saturated water

Author:: John A. Bush; Johan Vanneste; Tzahi Y. Cath
Source:: Journal of membrane science 2019 v.570-571 pp. 258-269
ISSN:: 0376-7388
Subject:: artificial membranes; brackish water; calcium; desalination; distillation; fouling; groundwater; inland waters; magnesium; minerals; nanofiltration; pH; reverse osmosis; salinity; silica; sodium hydroxide
Abstract:: ... Desalination of inland water resources such as brackish groundwater or geothermal water must achieve high water recovery to minimize reject brine volume and costs associated with its disposal. Pressure-driven membrane processes such as reverse osmosis (RO) and nanofiltration (NF) are presently the most commonly used technologies for desalination of brackish water; however, water recovery is often ...
DOI:: 10.1016/j.memsci.2018.10.034
: https://doi.org/10.1016/j.memsci.2018.10.034

43. Comprehensive study on PVDF-HFP/BMImBF4/AgBF4 membranes for propylene purification

Author:: Raúl Zarca; Antoniel Carlos C. Campos; Alfredo Ortiz; Daniel Gorri; Inmaculada Ortiz
Source:: Journal of membrane science 2019 v.572 pp. 255-261
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray photoelectron spectroscopy; artificial membranes; catalytic cracking; cations; dissociation; industrial applications; olefin; permeability; polymers; propylene; relative humidity; silver; thermogravimetry; water uptake
Abstract:: ... In this work, a comprehensive analysis of PVDF-HFP/BMImBF4/AgBF4 facilitated transport membranes for olefin/paraffin separation is presented. Previous works of our research group have reported high flux and propylene selectivity under dry conditions and using synthetic gas mixtures, highlighting the promising potential of these membranes for industrial applications. This work advances in the under ...
DOI:: 10.1016/j.memsci.2018.11.023
: https://doi.org/10.1016/j.memsci.2018.11.023

44. Computational fluid dynamics simulations of polarization phenomena in Direct Contact Membrane Distillation

Author:: Jincheng Lou; Johan Vanneste; Steven C. Decaluwe; Tzahi Y. Cath; Nils Tilton
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; distillation; heat recovery; hypersalinity; mass transfer; solutes; temperature; vapors
Abstract:: ... Direct Contact Membrane Distillation (DCMD) has emerged as a promising means of concentrating brines to their saturation limit. To date, computational fluid dynamics (CFD) studies of DCMD focus primarily on temperature polarization. However, when treating hypersaline brines, concentration polarization is an additional challenge that reduces system efficiency and leads to mineral scaling. To study ...
DOI:: 10.1016/j.memsci.2019.05.074
: https://doi.org/10.1016/j.memsci.2019.05.074

45. Confined nanobubbles shape the surface roughness structures of thin film composite polyamide desalination membranes

Author:: Xiaoxiao Song; Bowen Gan; Zhe Yang; Chuyang Y. Tang; Congjie Gao
Source:: Journal of membrane science 2019 v.582 pp. 342-349
ISSN:: 0376-7388
Subject:: artificial membranes; deformation; desalination; drying; membrane permeability; nanobubbles; polyamides; polymerization; reverse osmosis; roughness; surface roughness
Abstract:: ... The ridge-and-valley roughness structure of a polyamide reverse osmosis (RO) membrane has a paramount impact on its separation performance. We show that this surface roughness appearance was shaped by gas nanobubbles confined between the polyamide rejection layer and the substrate. Performing interfacial polymerization (IP) under alternative confinement conditions led to drastically different surf ...
DOI:: 10.1016/j.memsci.2019.04.027
: https://doi.org/10.1016/j.memsci.2019.04.027

46. Correction: Performance evaluation of interfacial polymerisation-fabricated aquaporin-based biomimetic membranes in forward osmosis

Author:: Zhixia Liang; Yanbin Yun; Manxiang Wang; Guicheng Liu; Peng Lu; Woochul Yang; Chunli Li
Source:: RSC advances 2019 v.9 no.33 pp. 19163
ISSN:: 2046-2069
Subject:: aquaporins; artificial membranes; osmosis; polymerization
Abstract:: ... Correction for ‘Performance evaluation of interfacial polymerisation-fabricated aquaporin-based biomimetic membranes in forward osmosis’ by Zhixia Liang et al., RSC Adv., 2019, 9, 10715–10726. ...
DOI:: 10.1039/c9ra90045d
: https://doi.org/10.1039/c9ra90045d

47. Coupling ferrate pretreatment and in-situ ozonation/ceramic membrane filtration for wastewater reclamation: Water quality and membrane fouling

Author:: Jing Liu; Keyou He; Jiaxing Zhang; Chengyue Li; Zhenghua Zhang
Source:: Journal of membrane science 2019 v.590 pp. 117310
ISSN:: 0376-7388
Subject:: artificial membranes; biopolymers; ceramics; cleaning; coagulation; dissolved organic carbon; fouling; microfiltration; molecular weight; oxidation; ozonation; statistical analysis; turbidity; wastewater; water quality; water reuse
Abstract:: ... The combined pretreatment of coagulation and ozonation is extensively adopted for water quality enhancement and membrane fouling reduction in wastewater reclamation. Herein, the integrated treatment of ferrate pretreatment and in-situ ozonation/ceramic membrane filtration on water quality improvement and fouling reduction of ceramic membrane in secondary wastewater effluent treatment was reported ...
DOI:: 10.1016/j.memsci.2019.117310
: https://doi.org/10.1016/j.memsci.2019.117310

48. Covalent organic frameworks (COFs) functionalized mixed matrix membrane for effective CO2/N2 separation

Author:: Ke Duan; Jing Wang; Yatao Zhang; Jindun Liu
Source:: Journal of membrane science 2019 v.572 pp. 588-595
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; nanosheets; nitrogen; permeability
Abstract:: ... Covalent organic frameworks (COFs) membrane shows great potential for applications in gas storage and separation. In this work, the COF-5 nanosheet was synthesized via a facilely sonochemical method, which shows the high CO2 uptake capacities because of its unique structure. Then, COF-5 was dispersed in Pebax-1657 matrix to fabricate the mixed matrix membranes (MMMs), the resulting MMMs exhibits a ...
DOI:: 10.1016/j.memsci.2018.11.054
: https://doi.org/10.1016/j.memsci.2018.11.054

49. Covalent triazine frameworks membrane with highly ordered skeleton nanopores for robust and precise molecule/ion separation

Author:: Guiliang Li; Wen Wang; Qile Fang; Fu Liu
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; crystal structure; filtration; nanopores; nanosheets; permeability; porosity; screening; sieving; solvents; triazines
Abstract:: ... Two dimensional covalent triazine frameworks (2D-CTF) with controlled pore size and stable structure are a new class of 2D building blocks for constructing separation membrane materials. In this work, we synthesize few-layer 2D-CTF-1 nanosheets with high crystallinity and excellent solvent dispersion using a micro-interface method. The as-prepared 2D-CTF-1 membrane via filtration assembly of few-l ...
DOI:: 10.1016/j.memsci.2019.117525
: https://doi.org/10.1016/j.memsci.2019.117525

50. Cross-linked highly sulfonated poly(arylene ether sulfone) membranes prepared by in-situ casting and thiol-ene click reaction for fuel cell application

Author:: Jusung Han; Kihyun Kim; Junghwan Kim; Sungjun Kim; So-Won Choi; Hyunhee Lee; Jin-joo Kim; Tae-Ho Kim; Yung-Eun Sung; Jong-Chan Lee
Source:: Journal of membrane science 2019 v.579 pp. 70-78
ISSN:: 0376-7388
Subject:: artificial membranes; crosslinking; electrodes; fuel cells; humidity; ion exchange capacity; polymers; thiols
Abstract:: ... End-group cross-linked sulfonated poly(arylene ether sulfone) (SPAES) membranes were prepared using thiol capped SPAES (SH-SPAES) with different amounts of vinyl polysulfone (VPSf) as a polymeric cross-linker. The cross-linked membranes showed remarkably improved physicochemical stabilities compared to the corresponding linear SPAES membrane. Although the proton conductivity of the SPAES membrane ...
DOI:: 10.1016/j.memsci.2019.02.048
: https://doi.org/10.1016/j.memsci.2019.02.048

51. Cross-linking of dehydrofluorinated PVDF membranes with thiol modified polyhedral oligomeric silsesquioxane (POSS) and pure water flux analysis

Author:: Jonathan Sierke; Amanda V. Ellis
Source:: Journal of membrane science 2019 v.581 pp. 362-372
ISSN:: 0376-7388
Subject:: artificial membranes; crosslinking; mechanical properties; microfiltration; modulus of elasticity; silsesquioxanes; thiols; water treatment
Abstract:: ... Porous poly(vinylidene difluoride) (PVDF) membranes often undergo compaction in pressure driven water treatment, contributing to a reduction in water flux. Here, compaction resistance was tested by cross-linking dehydrofluorinated PVDF (PVDF with alkene functionality) with a synthesized thiol modified polyhedral oligomeric silsesquioxane (thiol POSS) at 0–10 wt% via UV catalyzed thiol-ene addition ...
DOI:: 10.1016/j.memsci.2019.03.063
: https://doi.org/10.1016/j.memsci.2019.03.063

52. Crown ether containing polyelectrolyte multilayer membranes for lithium recovery

Author:: Mohammad Kazemabad; Arne Verliefde; Emile R. Cornelissen; Arnout D'Haese
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; cations; ethers; industry; ligands; lithium; moieties; nanofiltration; polyethyleneimine; potassium; solutes
Abstract:: ... Achieving solute selectivity has always been a goal of membrane development studies. The continuing growth of global consumption of scarce metals by different industries has put a strain on traditional sources of these species. Achieving cation selectivity in membranes, especially among monovalent cations, is a major step in introducing alternative sources for scarce metals such as lithium.Polyele ...
DOI:: 10.1016/j.memsci.2019.117432
: https://doi.org/10.1016/j.memsci.2019.117432

53. Deep neural networks for modeling fouling growth and flux decline during NF/RO membrane filtration

Author:: Sanghun Park; Sang-Soo Baek; JongCheol Pyo; Yakov Pachepsky; Jongkwan Park; Kyung Hwa Cho
Source:: Journal of membrane science 2019 v.587 pp. 117164
ISSN:: 0376-7388
Subject:: artificial membranes; fouling; microfiltration; model validation; nanofiltration; neural networks; reverse osmosis; tomography; water quality
Abstract:: ... Mathematical models have been developed to obtain a better understanding of membrane fouling mechanisms. However, those models could not simulate the membrane fouling behaviors accurately because of the large number of fitting parameters related to feed water quality and flow pattern in a membrane filtration system. In this study, we developed a deep neural network (DNN) to model membrane fouling ...
DOI:: 10.1016/j.memsci.2019.06.004
: https://doi.org/10.1016/j.memsci.2019.06.004

54. Densification-induced hollow fiber membranes using crosslinked thermally rearranged (XTR) polymer for CO2 capture

Author:: Jongmyeong Lee; Ju Sung Kim; Jeong F. Kim; Hye Jin Jo; Hyunjin Park; Jong Geun Seong; Young Moo Lee
Source:: Journal of membrane science 2019 v.573 pp. 393-402
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; crosslinking; glass transition temperature; heat treatment; nitrogen; polymers; thermogravimetry
Abstract:: ... Since thermally rearranged (TR) polymers were known as high gas permeable and processable materials, fabricating high performance hollow fiber (HF) membranes have been tried using them. However, an unexpected drawback emerged which is the gas productivity loss by thermal densification of skin layers during thermal treatment above their glass transition temperature (Tg). In this work, we used a rec ...
DOI:: 10.1016/j.memsci.2018.12.023
: https://doi.org/10.1016/j.memsci.2018.12.023

55. Deposition and reentrainment of colloidal particles in disordered fibrous filters under chemically and physically unfavorable conditions

Author:: Handol Lee; Seungkoo Kang; Seong Chan Kim; David Y.H. Pui
Source:: Journal of membrane science 2019 v.582 pp. 322-334
ISSN:: 0376-7388
Subject:: artificial membranes; collectors; colloids; energy; filters; filtration; hydrodynamics; ionic strength; models; prediction; zeta potential
Abstract:: ... This study is to establish computational fluid dynamics (CFD) simulations of disordered fibrous filters under unfavorable conditions to investigate the effects of chemical and physical factors on filtration performance. We employed a discrete phase model (DPM) to track individual particles, and user-defined functions were implemented to consider the particle deposition to the collector surface via ...
DOI:: 10.1016/j.memsci.2019.03.092
: https://doi.org/10.1016/j.memsci.2019.03.092

56. Development of a dual-layered PVDF-HFP/cellulose membrane with dual wettability for desalination of oily wastewater

Author:: Olawale Makanjuola; Farah Ahmed; Isam Janajreh; Raed Hashaikeh
Source:: Journal of membrane science 2019 v.570-571 pp. 418-426
ISSN:: 0376-7388
Subject:: artificial membranes; cellulose; desalination; distillation; freshwater; hydrophilicity; hydrophobicity; oils; surface tension; wastewater; wettability
Abstract:: ... Meeting environmental discharge or reuse water qualities and freshwater demands requires the development of innovative processes like membrane distillation (MD) for treating oily wastewater. Desalinating oily wastewater through MD is, however, challenging because of immediate contamination and wetting of the membrane caused by oil or other low surface tension contaminants. In this work, a novel co ...
DOI:: 10.1016/j.memsci.2018.10.028
: https://doi.org/10.1016/j.memsci.2018.10.028

57. Development of a novel perfluoropolyether (PFPE) hydrophobic/hydrophilic coated membranes for water treatment

Author:: C. Ursino; E. Di Nicolò; B. Gabriele; A. Criscuoli; A. Figoli
Source:: Journal of membrane science 2019 v.581 pp. 58-71
ISSN:: 0376-7388
Subject:: artificial membranes; cleaning agents; contact angle; distillation; hydrochloric acid; hydrophilicity; hydrophobicity; liquids; mechanical testing; oils; pH; polyamides; polymerization; porosity; potassium permanganate; sodium chloride; sodium hydroxide; sodium hypochlorite; temperature; water treatment
Abstract:: ... A novel method to prepare hydrophilic/hydrophobic membranes via dip-coating and UV in situ polymerization was presented. Fluorolink® MD700, a UV-curable perfluoropolyether (PFPE) hydrophobic compound, was employed as surface modifier via coating technique on two different commercial hydrophilic membranes with different pore size (0.1-0.2-0.45 μm): polyamide (PA), and polyethersulfone (PES). The in ...
DOI:: 10.1016/j.memsci.2019.03.041
: https://doi.org/10.1016/j.memsci.2019.03.041

58. Development of thermoresponsive star oligomers with a glycerol backbone as the draw solute in forward osmosis process

Author:: Asuka Inada; Kenichiro Yumiya; Tomoki Takahashi; Kazuo Kumagai; Yoko Hashizume; Hideto Matsuyama
Source:: Journal of membrane science 2019 v.574 pp. 147-153
ISSN:: 0376-7388
Subject:: aqueous solutions; artificial membranes; energy; ethylene oxide; glycerol; hydrophilicity; hydrophobicity; osmotic pressure; reverse osmosis; seawater; separation; solutes; temperature; tetrahydrofuran; viscosity
Abstract:: ... Recently, forward osmosis (FO) is attracting research attention once again. In a FO process, it is important to develop a draw solution (DS) with a high osmotic pressure and low solute leakage. In this study, thermoresponsive star-shaped oligomers with a glycerol backbone were developed as new draw solutes for FO. A series of glycerol-oligo(ethylene oxide)-block-oligo(butylene oxide) (GEB) oligome ...
DOI:: 10.1016/j.memsci.2018.12.067
: https://doi.org/10.1016/j.memsci.2018.12.067

59. Diffusion coefficient of solute in heterogeneous and macroporous hydrogels and its correlation with the effective crosslinking density

Author:: Hideaki Tokuyama; Yu Nakahata; Takahiko Ban
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; citrates; crosslinking; diffusivity; hydrogels; network theory; permeability; polymers; porous media; rubber; sodium chloride; solutes
Abstract:: ... The diffusion coefficient, Dg, of a solute in hydrogels is a key parameter in their applications. Dg has been correlated with the volume fraction, ϕp, of polymer in gel. In this study, the effective crosslinking density, νe, was determined from the rubber network theory using compression tests, and was applied as a model parameter for the characterization of the polymer networks and gel structures ...
DOI:: 10.1016/j.memsci.2019.117533
: https://doi.org/10.1016/j.memsci.2019.117533

60. Dilute solvent welding: A quick and scalable approach for enhancing the mechanical properties and narrowing the pore size distribution of electrospun nanofibrous membrane

Author:: Chunlei Su; Chun Lu; Thomas Horseman; Hongbin Cao; Feng Duan; Lei Li; Mingjie Li; Yuping Li
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; crystal structure; distillation; filtration; heat; mechanical properties; nanofibers; polymers; porosity; solvents; spraying; temperature; vapors; welding
Abstract:: ... Major limitations to the practical use of nanofibrous membranes in water filtration are their weak mechanical properties and wide pore size distribution. This study describes a quick and scalable method to improve the mechanical properties and narrow the pore size distribution of nanofibrous membranes by welding the nanofibers at their junction points. The welding process involves a simple dilute ...
DOI:: 10.1016/j.memsci.2019.117548
: https://doi.org/10.1016/j.memsci.2019.117548

61. Dimensionally-controlled densification in crosslinked thermally rearranged (XTR) hollow fiber membranes for CO2 capture

Author:: Jongmyeong Lee; Ju Sung Kim; Su-young Moon; Chae Young Park; Jeong F. Kim; Young Moo Lee
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; crosslinking; heat treatment; mechanical properties; methanol; oxygen; polymers; shrinkage
Abstract:: ... Thermal densification in asymmetric hollow fibers fabricated using thermally rearranged (TR) polymers has been regarded as a challenging issue due to productivity reduction by severe permeance loss. However, it has recently been reported from our group that the densification phenomenon could be exploited to induce ultrathin skin layer from highly porous precursor fibers. We successfully prepared d ...
DOI:: 10.1016/j.memsci.2019.117535
: https://doi.org/10.1016/j.memsci.2019.117535

62. Direct observation of vanadium ion permeation behavior through Nafion 117 using 48V radiotracer for all-vanadium redox flow battery

Author:: Kenji Shirasaki; Tomoo Yamamura
Source:: Journal of membrane science 2019 v.592 pp. 117367
ISSN:: 0376-7388
Subject:: artificial membranes; batteries; magnesium; magnesium sulfate; permeability; sulfuric acid; vanadium; vanadyl ions
Abstract:: ... Quantitation of vanadium ion crossover through membranes provides essential information for optimizing membrane properties in all-vanadium redox flow batteries (VRFBs) and evaluating the efficiency of VRFB cells. However, a VRFB cell composition of highly concentrated vanadium solutions on both sides of the membrane makes it difficult to directly monitor vanadium ion crossover through the membrane ...
DOI:: 10.1016/j.memsci.2019.117367
: https://doi.org/10.1016/j.memsci.2019.117367

63. Dual-biomimetic superwetting silica nanofibrous membrane for oily water purification

Author:: Zhigao Zhu; Zheyu Li; Lingling Zhong; Ruijun Zhang; Fuyi Cui; Wei Wang
Source:: Journal of membrane science 2019 v.572 pp. 73-81
ISSN:: 0376-7388
Subject:: active sites; air; artificial membranes; biomimetics; chemical reactions; cost effectiveness; electrostatic interactions; emulsions; nanofibers; nanoparticles; oils; polyethyleneimine; porosity; roughness; silica; strength (mechanics); surface roughness; surfactants; thermal stability; wastewater; water purification
Abstract:: ... Developing a feasible and cost-effective membrane which can remediate highly emulsified oily water, especially those stabilized by surfactants, is of great significance but challenging. In this work, a biomimetic superwetting silica nanofibrous membrane (SNFM) with hierarchical structures, interconnected pores as well as high porosity was developed by the facile combination of electrospinning and ...
DOI:: 10.1016/j.memsci.2018.10.071
: https://doi.org/10.1016/j.memsci.2018.10.071

64. Dynamic behavior of unsteady-state membrane gas separation: Modelling of a closed-mode operation for a membrane module

Author:: Maxim M. Trubyanov; Sergei Y. Kirillov; Andrey V. Vorotyntsev; Tatyana S. Sazanova; Artem A. Atlaskin; Anton N. Petukhov; Yuri P. Kirillov; Ilya V. Vorotyntsev
Source:: Journal of membrane science 2019 v.587 pp. 117173
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; gas chromatography; mass spectrometry; mathematical models; methane; mixing; monitoring; nitrogen
Abstract:: ... Membrane gas separations under unsteady conditions provide various opportunities for enhancement of separation performance, particularly in niche applications. An original model describing the dynamics of a closed-mode operation in a cross-flow membrane module is developed for optimization of a pulsed-retentate separation technique. The closed-mode operation is a key step of a pulsed retentate pro ...
DOI:: 10.1016/j.memsci.2019.117173
: https://doi.org/10.1016/j.memsci.2019.117173

65. Effect of Bi doping on the performance of dual-phase oxygen-permeable membranes

Author:: Song Huang; Wenping Li; Zhongwei Cao; Hongbo Li; Hongchao Ma; Xuefeng Zhu; Weishen Yang
Source:: Journal of membrane science 2019 v.579 pp. 342-350
ISSN:: 0376-7388
Subject:: artificial membranes; bismuth; cations; copper; crystal structure; energy-dispersive X-ray analysis; microstructure; oxygen; permeability; strontium; temperature; thermal expansion
Abstract:: ... Doping of cations is an effective method to adjust the properties of oxygen permeable membrane materials. Eight dual-phase oxygen-permeable membrane materials 75 wt% Ce0.8Sm0.2-xBixO2-δ-25 wt% Sm0.6Sr0.4Al0.3Fe0.7O3-δ (CSBx-SSAF, x = 0, 0.05, 0.1, 0.15) and 75 wt% Ce0.8Sm0.2-xBixO2-δ-25 wt% Sm0.6Sr0.4Cu0.2Fe0.8O3-δ (CSBx-SSCF, x = 0, 0.05, 0.1, 0.15) prepared by solid state reaction method were in ...
DOI:: 10.1016/j.memsci.2019.03.005
: https://doi.org/10.1016/j.memsci.2019.03.005

66. Effect of Pluronic F127 on porous and dense membrane structure formation via non-solvent induced and evaporation induced phase separation

Author:: T.V. Plisko; A.V. Penkova; K.S. Burts; A.V. Bildyukevich; M.E. Dmitrenko; G.B. Melnikova; R.R. Atta; A.S. Mazur; A.A. Zolotarev; A.B. Missyul
Source:: Journal of membrane science 2019 v.580 pp. 336-349
ISSN:: 0376-7388
Subject:: artificial membranes; atomic force microscopy; contact angle; ethyl acetate; evaporation; hydrophilicity; hydrophobicity; micelles; nuclear magnetic resonance spectroscopy; permeability; pervaporation; polyethylene glycol; porosity; propylene glycol; scanning electron microscopy; separation; small-angle X-ray scattering; solvents; temperature; ultrafiltration; water
Abstract:: ... Novel porous and dense membranes based on polysulfone (PSF) modified by poly(ethylene glycol)–b–poly(propylene glycol)–b– poly(ethylene glycol) (Pluronic F127) were developed. The influence of Pluronic F127 introduction to the casting solution on different types of polymer membrane formation via two different phase inversion techniques—non-solvent induced phase separation (NIPS) for porous membran ...
DOI:: 10.1016/j.memsci.2019.03.028
: https://doi.org/10.1016/j.memsci.2019.03.028

67. Effect of gradient profile in ceramic membranes on filtration characteristics: Implications for membrane development

Author:: Tze Chiang Albert Ng; Zhiyang Lyu; Qilin Gu; Lei Zhang; Wei Jie Poh; Zhixiao Zhang; John Wang; How Yong Ng
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: activated sludge; aluminum oxide; artificial membranes; bovine serum albumin; ceramics; filtration; fouling; particle size; porosity; slurries; sodium alginate
Abstract:: ... A proper gradient structure in ceramic membranes can reduce the thickness of the top active layer and therefore enhance the filtration performance and enable a good mechanical stability simultaneously. We designed and fabricated different gradient ceramic membranes including 1-, 2-, and 3-layer ceramic membranes using a simplified single sintering process. To the best of our knowledge, the prepara ...
DOI:: 10.1016/j.memsci.2019.117576
: https://doi.org/10.1016/j.memsci.2019.117576

68. Effect of mass transfer at the interface of the polymer solution and extruded solvent during the air gap on membrane structures and performances in TIPS process using triple-orifice spinneret

Author:: Chuanjie Fang; Saeid Rajabzadeh; Hao-Chen Wu; Xinyu Zhang; Noriaki Kato; Misato Kunimatsu; Tomohisa Yoshioka; Hideto Matsuyama
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: air; artificial membranes; engineering; guidelines; mass transfer; molecular dynamics; permeability; polymers; separation; solvents
Abstract:: ... In this study, a combination of experimental results and molecular dynamics (MD) simulation was employed to understand the mass transfer between the extruded solvent and polymer solution by using a triple-orifice spinneret in the thermally induced phase separation (TIPS) process. Extruding solvent at the outer layer of the extruded polymer solution with different air gap distances controlled the m ...
DOI:: 10.1016/j.memsci.2019.117513
: https://doi.org/10.1016/j.memsci.2019.117513

69. Effect of surfactant hydrophobicity and charge type on membrane distillation performance

Author:: Yong Zen Tan; Sadiye Velioglu; Le Han; Benson Dannie Joseph; Lekshmi Gopalakrishnan Unnithan; Jia Wei Chew
Source:: Journal of membrane science 2019 v.587 pp. 117168
ISSN:: 0376-7388
Subject:: anionic surfactants; artificial membranes; dissolved gases; distillation; heat recovery; hydrophobicity; liquids; molecular dynamics; simulation models; solutes; surface tension; sustainable technology; wastewater
Abstract:: ... Membrane distillation (MD) is a promising green technology that can utilize waste heat to concentrate non-volatile solutes, or remove volatiles and dissolved gases from an aqueous feed. The primary reason for the limited commercial implementation of MD is membrane pore-wetting, which deteriorates the separation performance. For oily wastewater, the surfactants are particularly detrimental due to t ...
DOI:: 10.1016/j.memsci.2019.117168
: https://doi.org/10.1016/j.memsci.2019.117168

70. Effect of the relative degree of foulant “hydrophobicity” on membrane fouling

Author:: Situ Mu; Shu Wang; Shuai Liang; Kang Xiao; Huiju Fan; Bingjun Han; Chun Liu; Xiaomao Wang; Xia Huang
Source:: Journal of membrane science 2019 v.570-571 pp. 1-8
ISSN:: 0376-7388
Subject:: artificial membranes; fluorescence; fouling; fractionation; hydrophobicity; membrane bioreactors; molecular weight; multivariate analysis; polysaccharides
Abstract:: ... Foulant hydrophobicity has been regarded as a key factor in membrane fouling. While hydrophobic/philic fractionation using DAX (or XAD) resin column has been extensively utilized in fouling studies, the critical retention factor (k’cᵣ, the ratio of water volume to column volume) has been long neglected which can alter the definition and relative degree of “hydrophobicity” of the obtained fractions ...
DOI:: 10.1016/j.memsci.2018.10.023
: https://doi.org/10.1016/j.memsci.2018.10.023

71. Effect of varying piperazine concentration and post-modification on prepared nanofiltration membranes in selectively rejecting organic micropollutants and salts

Author:: Yan-ling Liu; Yang-ying Zhao; Xiao-mao Wang; Xiang-hua Wen; Xia Huang; Yuefeng F. Xie
Source:: Journal of membrane science 2019 v.582 pp. 274-283
ISSN:: 0376-7388
Subject:: artificial membranes; drugs; ethanolamine; hydrophilicity; nanofiltration; permeability; piperazine; pollutants; polymerization; porosity; sodium chloride; wastewater; wastewater treatment; xylose
Abstract:: ... Nanofiltration (NF) is considered as a promising technology for the removal of trace organic compounds (TrOCs) for wastewater reclamation, while a simultaneous low rejection of salts is desirable for the ease of using the reclaimed water. This study was conducted to exploit the potential of polypiperazine-amide NF membranes in achieving selective separation of TrOCs and NaCl by varying the concent ...
DOI:: 10.1016/j.memsci.2019.04.018
: https://doi.org/10.1016/j.memsci.2019.04.018

72. Effects of GO and MOF@GO on the permeation and antifouling properties of cellulose acetate ultrafiltration membrane

Author:: Shujuan Yang; Qinfeng Zou; Tianhao Wang; Liping Zhang
Source:: Journal of membrane science 2019 v.569 pp. 48-59
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; X-ray diffraction; antifouling activities; artificial membranes; biodegradability; cellulose acetate; coordination polymers; fouling; graphene oxide; hydrophilicity; mixing; nanocomposites; permeability; scanning electron microscopy; ultrafiltration; water purification
Abstract:: ... Cellulose acetate (CA) has been used to prepare ultrafiltration membranes because of its excellent properties, especially its biodegradability. To enhance the performance of the CA membrane, the excellent CA ultrafiltration membrane was synthesized by blending with graphene oxide (GO) and HKUST-1 (a metal–organic framework) @GO through the typical phase inversion process. The effects of the differ ...
DOI:: 10.1016/j.memsci.2018.09.068
: https://doi.org/10.1016/j.memsci.2018.09.068

73. Effects of membrane morphology on the rejection of oil droplets: Theoretical analysis based on network modeling

Author:: Zhuo Li; Xin Liu; Gan Chen; Baolin Deng; Weiyi Li
Source:: Journal of membrane science 2019 v.588 pp. 117198
ISSN:: 0376-7388
Subject:: algorithms; artificial membranes; droplets; emulsions; finite element analysis; freshwater; models; oils; wastewater treatment
Abstract:: ... Membrane-based treatment is emerging as an effective way to remove the oil and reclaim fresh water from an oil-in-water emulsion. The mechanisms underlying the complex interactions between the oil droplets and the porous membrane substructures, however, are not fully understood, which may hinder our effort to design novel membranes. The objective of this study is to establish a correlation between ...
DOI:: 10.1016/j.memsci.2019.117198
: https://doi.org/10.1016/j.memsci.2019.117198

74. Electrically responsive ultrafiltration polyaniline membrane to solve fouling under applied potential

Author:: Li Li Xu; Yan Xu; Lie Liu; Kun Peng Wang; Darrell Alec Patterson; Jun Wang
Source:: Journal of membrane science 2019 v.572 pp. 442-452
ISSN:: 0376-7388
Subject:: artificial membranes; contact angle; fouling; graphene; microfiltration; polymers; separation; ultrafiltration
Abstract:: ... Membrane fouling is indispensable in all membrane systems and remains one major problem to large scale application. In view of this, an in-situ method of fouling control is desperately needed to sustain membrane technologies. The objective of this study is to develop electrically conductive PANI membranes with stimuli-response properties and to solve fouling under applied potential. Electrically c ...
DOI:: 10.1016/j.memsci.2018.11.026
: https://doi.org/10.1016/j.memsci.2018.11.026

75. Electrochemically controlled transport of anions across polypyrrole-based membranes

Author:: Jesus Arroyo; Marceline Akieh-Pirkanniemi; Grzegorz Lisak; Rose-Marie Latonen; Johan Bobacka
Source:: Journal of membrane science 2019 v.581 pp. 50-57
ISSN:: 0376-7388
Subject:: anions; artificial membranes; chlorides; electrochemistry; electrosynthesis; elemental composition; energy-dispersive X-ray analysis; glassy carbon electrode; nitrates; oxidation; pyrroles; scanning electron microscopy; sulfates; sulfonates; toluene
Abstract:: ... Electrosynthesized polypyrrole (PPy) films on PVDF/Pt support membranes were used to study electrochemically controlled transport of monovalent and divalent anions across the PPy-based membranes. The PVDF/Pt/PPy membrane separated two compartments in a transport cell and served simultaneously as the working electrode allowing electrochemical switching of PPy between its oxidized and reduced forms ...
DOI:: 10.1016/j.memsci.2019.02.028
: https://doi.org/10.1016/j.memsci.2019.02.028

76. Empirical modeling coupled with pore blocking for predicting cake formation of electric field effects on oily waste water cross-flow microfiltration

Author:: Amir Hossein Behroozi; Norollah Kasiri; Toraj Mohammadi
Source:: Journal of membrane science 2019 v.584 pp. 120-136
ISSN:: 0376-7388
Subject:: artificial membranes; electric field; electrodes; empirical models; fouling; microfiltration; oils; prediction; wastewater
Abstract:: ... Cake formation is the most important phenomenon to reduce cross-membrane flux in cross-flow microfiltration although pore blocking and concentration polarization (CP) phenomena affect it. Electric field may be used to enhance process efficiency and decreased fouling phenomena in the process. An empirical model is developed here taking into consideration the cake formation effects on permeate flux ...
DOI:: 10.1016/j.memsci.2019.04.034
: https://doi.org/10.1016/j.memsci.2019.04.034

77. Energy efficiency of hollow fibre membrane module in the forward osmosis seawater desalination process

Author:: Ali Altaee; Ali Braytee; Graeme J. Millar; Osamah Naji
Source:: Journal of membrane science 2019 v.587 pp. 117165
ISSN:: 0376-7388
Subject:: artificial membranes; desalination; energy efficiency; energy requirements; energy use and consumption; osmosis; seawater; sodium chloride
Abstract:: ... This study provided new insights regarding the energy efficiency of hollow fibre forward osmosis modules for seawater desalination; and as a consequence an approach was developed to improve the process performance. Previous analysis overlooked the relationship between the energy efficiency and operating modes of the hollow fibre forward osmosis membrane when the process was scaled-up. In this stud ...
DOI:: 10.1016/j.memsci.2019.06.005
: https://doi.org/10.1016/j.memsci.2019.06.005

78. Enhanced ammonia recovery from wastewater by Nafion membrane with highly porous honeycomb nanostructure and its mechanism in membrane distillation

Author:: Jiaxin Guo; Jung-Gil Lee; Tian Tan; Joonho Yeo; Pak Wai Wong; Noreddine Ghaffour; Alicia Kyoungjin An
Source:: Journal of membrane science 2019 v.590 pp. 117265
ISSN:: 0376-7388
Subject:: ammonia; artificial membranes; carbon nanotubes; distillation; energy; heat; models; nanofibers; nanopores; nitrogen; sludge; strength (mechanics); thermoplastics; vapors; waste utilization; wastewater; wastewater treatment
Abstract:: ... Removing nitrogen from wastewater by conventional treatment methods requires substantial energy, only to release it back to the atmosphere as gaseous nitrogen. Herein, we investigated the applicability of membrane distillation (MD) in resource recovery from sludge digestate by controlling the volatility and pressure of the vapor transport across the membrane to concentrate ammonia in the permeate ...
DOI:: 10.1016/j.memsci.2019.117265
: https://doi.org/10.1016/j.memsci.2019.117265

79. Enhancing plasticization-resistance of mixed-matrix membranes with exceptionally high CO2/CH4 selectivity through incorporating ZSM-25 zeolite

Author:: Jianhua Zhao; Ke Xie; Liang Liu; Min Liu; Wenlian Qiu; Paul A. Webley
Source:: Journal of membrane science 2019 v.583 pp. 23-30
ISSN:: 0376-7388
Subject:: adhesion; artificial membranes; carbon dioxide; lithium; methane; permeability; polymers; zeolites
Abstract:: ... Partially Li⁺ exchanged Na-ZSM-25 zeolites (LNZ25) were incorporated into the commercial polymer Matrimid® 5218 to yield a mixed-matrix membrane (MMM) via solvent-casting. ZSM-25 has exclusive admission of CO₂ and complete exclusion of CH₄ and is therefore an ideal candidate for MMMs. The fillers were evenly dispersed in the polymer matrix with good adhesion. The separation performance of the fabr ...
DOI:: 10.1016/j.memsci.2019.03.073
: https://doi.org/10.1016/j.memsci.2019.03.073

80. Enzyme-Like Metal–Organic Frameworks in Polymeric Membranes for Efficient Removal of Aflatoxin B₁

Author:: Zhongyuan Ren; Jianquan Luo; Yinhua Wan
Source:: ACS applied materials & interfaces 2019 v.11 no.34 pp. 30542-30550
ISSN:: 1944-8252
Subject:: active sites; adsorption; aflatoxin B1; animal experimentation; artificial membranes; biodegradation; catalytic activity; coordination compounds; humans; iron; microorganisms; peroxidase; toxicity; ultrafiltration
Abstract:: ... Biodegradation is a mild and efficient way to protect humans and animals from mycotoxins. However, microbes and enzymes are susceptible to environmental change, lack of stability, and reusability. In this work, three peroxidase-like metal–organic frameworks (MOFs), as artificial substitutes of natural peroxidase, are used for aflatoxin B₁ (AFB₁) removal, demonstrating the strong removal ability fo ...
DOI:: 10.1021/acsami.9b08011
: https://doi.org/10.1021/acsami.9b08011

81. Estimation of concentration polarization in a fluidized bed reactor with Pd-based membranes via CFD approach

Author:: Xuesong Yang; Shuai Wang; Bang Hu; Kai Zhang; Yurong He
Source:: Journal of membrane science 2019 v.581 pp. 262-269
ISSN:: 0376-7388
Subject:: artificial membranes; fluidized beds; heat transfer; hydrogen; hydrogen production; industrial applications; permeability
Abstract:: ... A fluidized bed membrane reactor has its great advantage in the industrial application of hydrogen production owing to good mass and heat transfer characteristics compared to a fixed bed membrane reactor. However, the concentration polarization and the densification zone formation caused by membrane permeation will restrict mass and heat transfer as well as hydrogen membrane flux. In this work, a ...
DOI:: 10.1016/j.memsci.2019.03.068
: https://doi.org/10.1016/j.memsci.2019.03.068

82. Evaluating graphene oxide and holey graphene oxide membrane performance for water purification

Author:: Chris Buelke; Ali Alshami; James Casler; Yi Lin; Mike Hickner; Isam H. Aljundi
Source:: Journal of membrane science 2019 v.588 pp. 117195
ISSN:: 0376-7388
Subject:: artificial membranes; filtration; graphene oxide; heat treatment; nanosheets; permeability; reverse osmosis; water purification
Abstract:: ... Graphene oxide (GO) membranes have demonstrated desirable performance for purifying water, matching or exceeding the ion rejection and water flux properties of reverse osmosis (RO) membranes. Though previous methods (e.g., surface decoration and d-space tuning) have been investigated to improve GO membranes, thermal treatment can induce the formation of holes in GO nanosheets in a controlled manne ...
DOI:: 10.1016/j.memsci.2019.117195
: https://doi.org/10.1016/j.memsci.2019.117195

83. Experimental investigation and techno-economic analysis of tetramethylammonium hydroxide removal from wastewater in nano-electronics manufacturing via membrane distillation

Author:: Imtisal-e- Noor; Jan Coenen; Andrew Martin; Olli Dahl; Miriam Åslin
Source:: Journal of membrane science 2019 v.579 pp. 283-293
ISSN:: 0376-7388
Subject:: air; artificial membranes; distillation; economic analysis; electronics; heat; industrial wastes; manufacturing; temperature; tetramethylammonium compounds; thermal energy; waste disposal; wastewater; wastewater treatment; Belgium
Abstract:: ... In nano-electronics manufacturing, tetramethylammonium hydroxide (TMAH) is extensively used in the photo-lithography and etching processes, leading to a waste disposal issue. The present study focuses on TMAH wastewater treatment in nano-electronics industries by using membrane distillation technology. Actual TMAH wastewater samples were collected at imec, Belgium. An air gap membrane distillation ...
DOI:: 10.1016/j.memsci.2019.02.067
: https://doi.org/10.1016/j.memsci.2019.02.067

84. Exploiting the electrical conductivity of poly-acid doped polyaniline membranes with enhanced durability for organic solvent nanofiltration

Author:: Adem Sarihan; Salman Shahid; Junjie Shen; Ida Amura; Darrell Alec Patterson; Emma Anna Carolina Emanuelsson
Source:: Journal of membrane science 2019 v.579 pp. 11-21
ISSN:: 0376-7388
Subject:: acetone; annealing; artificial membranes; chemical analysis; crosslinking; durability; electrical conductivity; heat treatment; isopropyl alcohol; methanol; molecular weight; nanofiltration; polymerization; polymers; solvents; temperature
Abstract:: ... We have developed stable organic solvent nanofiltration (OSN) membranes that are electrically conductive. These membranes overcome key issues with current tuneable membranes: molecular weight cut off (MWCO) limited to the UF-range and lack of filtration stability. Polyaniline (PANI) was in-situ doped by poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PAMPSA) using chemical oxidative polymeriza ...
DOI:: 10.1016/j.memsci.2019.02.030
: https://doi.org/10.1016/j.memsci.2019.02.030

85. Explorations of combined nonsolvent and thermally induced phase separation (N-TIPS) method for fabricating novel PVDF hollow fiber membranes using mixed diluents

Author:: Jie Zhao; Jeng Yi Chong; Lei Shi; Rong Wang
Source:: Journal of membrane science 2019 v.572 pp. 210-222
ISSN:: 0376-7388
Subject:: artificial membranes; crystals; dimethyl phthalate; electrochemistry; harvesting; hydrophilicity; permeability; phosphates; porosity; separation; solvents; tensile strength; thermoplastics
Abstract:: ... The combination of nonsolvent and thermally induced phase separation (N-TIPS) method has shown promising ability in harvesting the features from the nonsolvent induced phase separation (NIPS) and thermally induced phase separation (TIPS) processes for developing membranes with a tailorable surface pore structure. However, previous approaches have been subjected to either the formation of macrovoid ...
DOI:: 10.1016/j.memsci.2018.11.015
: https://doi.org/10.1016/j.memsci.2018.11.015

86. Fabricating a pH-responsive membrane through interfacial in-situ assembly of microgels for water gating and self-cleaning

Author:: Huawen Liu; Shanshan Yang; Yuanwei Liu; Mengjie Miao; Yan Zhao; Arcadio Sotto; Congjie Gao; Jiangnan Shen
Source:: Journal of membrane science 2019 v.579 pp. 230-239
ISSN:: 0376-7388
Subject:: artificial membranes; cleaning; coagulation; drugs; hydrophobicity; microgels; pH; permeability; pyridines; water treatment
Abstract:: ... Environmental stimuli-responsive membranes have many latent applications in numerous fields, for example, chemical/biological separations, water treatment, drug delivery, self-cleaning material and chemical sensor. In this study, a pH-responsive membrane with in-situ assembled stimuli-responsive microgels on membrane surface and internal channels wall was fabricated by the coagulation step of the ...
DOI:: 10.1016/j.memsci.2019.03.010
: https://doi.org/10.1016/j.memsci.2019.03.010

87. Fabrication and scale-up of multi-leaf spiral-wound membrane modules for CO2 capture from flue gas

Author:: Kai K. Chen; Witopo Salim; Yang Han; Dongzhu Wu; W.S. Winston Ho
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; carbon dioxide; flue gas; leaves; prototypes
Abstract:: ... Facilitated transport membranes for CO2 capture from flue gas were scaled up and subsequently fabricated into spiral-wound modules. In order to increase the membrane area in each module conveniently, a multi-leaf rolling procedure utilizing a carrier layer was used, and the fabrication steps were documented in detail. The prototype module comprised up to 7 membrane leaves (each membrane leaf had d ...
DOI:: 10.1016/j.memsci.2019.117504
: https://doi.org/10.1016/j.memsci.2019.117504

88. Fabrication of a novel and green thin-film composite membrane containing nanovoids for water purification

Author:: Zhe Yang; Xiaoyu Huang; Xiao-hua Ma; Zhi-wen Zhou; Hao Guo; Zhikan Yao; Shien-Ping Feng; Chuyang Y. Tang
Source:: Journal of membrane science 2019 v.570-571 pp. 314-321
ISSN:: 0376-7388
Subject:: artificial membranes; copper nanoparticles; crosslinking; nanocomposites; nitric acid; polyamides; water purification
Abstract:: ... Thin film nanocomposite (TFN) membranes, which incorporate nanomaterials in a crosslinked polyamide matrix, often show enhanced separation properties thanks to the additional pores or channels offered by these materials. In this study, we deliberately created nanovoids in the dense polyamide rejection layer by acid-etching copper nanoparticles (CuNPs) contained in a TFN membrane. Systematic membra ...
DOI:: 10.1016/j.memsci.2018.10.057
: https://doi.org/10.1016/j.memsci.2018.10.057

89. Fabrication of reduced graphene oxide membranes for water desalination

Author:: Hsin-Hui Huang; Rakesh K. Joshi; K. Kanishka H. De Silva; Rajashekar Badam; Masamichi Yoshimura
Source:: Journal of membrane science 2019 v.572 pp. 12-19
ISSN:: 0376-7388
Subject:: artificial membranes; desalination; graphene oxide; ions; moieties; permeability; sodium; water purification
Abstract:: ... Reduced graphene oxide (rGO) has huge potential for membrane applications owing to its appropriate interlayer spacing (0.34–0.37 nm) that enables it to block salt ions as small as Na+ with high precision. However, fabrication of uniform rGO membranes is a great challenge because of the loss of its polar functional groups during preparation from graphene oxide (GO). Although there have been several ...
DOI:: 10.1016/j.memsci.2018.10.085
: https://doi.org/10.1016/j.memsci.2018.10.085

90. Facile construction of gas diode membrane towards in situ gas consumption via coupling two chemical reactions

Author:: Ailin Gao; Huiqin Fan; Guangfa Zhang; Shuai Zhao; Jian Cui; Yehai Yan
Source:: Journal of colloid and interface science 2019 v.557 pp. 282-290
ISSN:: 0021-9797
Subject:: artificial membranes; bubbles; carbon dioxide; chemical reactions; diodes; permeability; polylactic acid; wettability
Abstract:: ... Controlling the bubbles' behavior on a solid surface is significant for exploring more related applications and thus recently has attracted increased investigations. Based on this, a Janus poly (l-lactic acid) (PLLA) membrane with definitely opposite water wettability in air and opposite bubble wettability underwater was successfully fabricated in this work. The obtained Janus membrane exhibited u ...
DOI:: 10.1016/j.jcis.2019.08.105
: https://doi.org/10.1016/j.jcis.2019.08.105

91. Facile performance enhancement of reverse osmosis membranes via solvent activation with benzyl alcohol

Author:: Min Gyu Shin; Sang-Hee Park; Soon Jin Kwon; Hyo-Eun Kwon; Jong Bae Park; Jung-Hyun Lee
Source:: Journal of membrane science 2019 v.578 pp. 220-229
ISSN:: 0376-7388
Subject:: artificial membranes; benzyl alcohol; deformation; polyamides; reverse osmosis; sodium chloride; solubility; solvents
Abstract:: ... We present a facile method to enhance separation performance of polyamide (PA) reverse osmosis (RO) membranes via solvent activation with a new type of organic solvent, benzyl alcohol (BA). Activation with BA remarkably improved water permeance (up to ∼140% increase) while maintaining high NaCl rejection (∼99.6%) of the pristine RO membrane, thereby overcoming the flux-rejection trade-off limitati ...
DOI:: 10.1016/j.memsci.2019.02.027
: https://doi.org/10.1016/j.memsci.2019.02.027

92. Facile preparation of antiadhesive and biocidal reverse osmosis membranes using a single coating for efficient water purification

Author:: Ismail Abdul Azeez; A. Matin; M. Khan; M.M. Khaled; M.A. Ansari; S. Akhtar; S. Rehman
Source:: Journal of membrane science 2019 pp. 117299
ISSN:: 0376-7388
Subject:: Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; antifouling agents; artificial membranes; bacteria; bacterial adhesion; biofilm; biofouling; coatings; contact angle; filtration; hydrophilicity; microscopy; nitrogen; organoiodine compounds; permeability; reverse osmosis; silane; water purification
Abstract:: ... Surface modification of reverse osmosis membranes by the deposition of antifouling coatings is a popular strategy for the control of membrane biofouling. This study reports the preparation of simultaneously anti-adhesive and biocidal membrane surfaces by dip-coating of a single silane, N1-(3-trimethoxysilylpropyl) diethylenetriamine. The operational parameters for surface modification such as acid ...
DOI:: 10.1016/j.memsci.2019.117299
: https://doi.org/10.1016/j.memsci.2019.117299

93. Few-layers MoS2 nanosheets modified thin film composite nanofiltration membranes with improved separation performance

Author:: Shishi Yang; Kaisong Zhang
Source:: Journal of membrane science 2019 pp. -
ISSN:: 0376-7388
Subject:: artificial membranes; crosslinking; films (materials); hydrophilicity; molybdenum disulfide; nanocomposites; nanofiltration; nanosheets; permeability; polymerization; scanning electron microscopes; transmission electron microscopes; transmission electron microscopy; ultrasonics
Abstract:: ... Two-dimensional (2D) molybdenum disulfide (MoS2) nanosheets materials with excellent properties provide a new possibility and approach for designing nanofiltration (NF) membranes with overcoming the “trade-off” phenomenon of permselectivity. Few-layers of 2D MoS2 were synthesized by a facile solvent-assisted ultrasonic exfoliation method. A novel nanocomposite NF membrane was fabricated through in ...
DOI:: 10.1016/j.memsci.2019.117526
: https://doi.org/10.1016/j.memsci.2019.117526

94. Field trial of spiral-wound facilitated transport membrane module for CO2 capture from flue gas

Author:: Yang Han; Witopo Salim; Kai K. Chen; Dongzhu Wu; W.S. Winston Ho
Source:: Journal of membrane science 2019 v.575 pp. 242-251
ISSN:: 0376-7388
Subject:: arsenic; artificial membranes; carbon; carbon dioxide; chromium; field experimentation; flue gas; nitrogen; selenium; temperature; Alabama
Abstract:: ... A field trial with 1.4 m2 spiral-wound (SW) membrane modules fabricated from an amine-containing facilitated transport membrane was conducted with actual flue gas at the National Carbon Capture Center in Wilsonville, AL, U.S.A. Prior to the field test, the membrane modules were systematically evaluated with simulated flue gas to identify the optimal operating conditions, including feed flow rate, ...
DOI:: 10.1016/j.memsci.2019.01.024
: https://doi.org/10.1016/j.memsci.2019.01.024

95. Fine-tuning selective layer architecture of hydrogel membrane towards high separation performances for engineered osmosis

Author:: Detao Qin; Zhaoyang Liu; Hongwei Bai; Xiaoxiao Song; Zhengtao Li; Darren Delai Sun
Source:: Journal of membrane science 2019 v.592 pp. 117370
ISSN:: 0376-7388
Subject:: artificial membranes; fouling; hydrogels; permeability; reverse osmosis; roughness; wastewater
Abstract:: ... Ultrathin and/or ultrasmooth selective layer is one of the paramount goals in membrane realm for maximizing separation efficiency and/or minimizing fouling tendency. Towards this goal, the architecture of hydrogel selective layer is finely tuned for the first time for improving engineered osmosis (EO) membrane performance. Through delicately controlling synthesis parameters, ultrathin selective la ...
DOI:: 10.1016/j.memsci.2019.117370
: https://doi.org/10.1016/j.memsci.2019.117370

96. Fine/ultrafine particle air filtration and aerosol loading of hollow-fiber membranes: A comparison of mathematical models for the most penetrating particle size and dimensionless permeability with experimental data

Author:: Pavel Bulejko; Ondřej Krištof; Mirko Dohnal; Tomáš Svěrák
Source:: Journal of membrane science 2019 v.592 pp. 117393
ISSN:: 0376-7388
Subject:: aerosols; air; air filters; artificial membranes; bioreactors; distillation; filtration; fouling; isotropy; liquids; mathematical models; particle size; permeability; polypropylenes; wastewater treatment
Abstract:: ... Hollow-fiber membranes (HFMs) have widely been applied to many liquid treatment applications such as wastewater treatment, membrane distillation and membrane contactor/bioreactor applications. However, they have rarely been used for aerosol filtration thus far. In this work, we tested air filtration performance of air filter modules composed of polypropylene HFMs. The experimental results of most ...
DOI:: 10.1016/j.memsci.2019.117393
: https://doi.org/10.1016/j.memsci.2019.117393

97. Fouling formation in membrane contactors for methane recovery from anaerobic effluents

Author:: Wichitpan Rongwong; Kunli Goh; G.S.M.D.P. Sethunga; Tae-Hyun Bae
Source:: Journal of membrane science 2019 v.573 pp. 534-543
ISSN:: 0376-7388
Subject:: artificial membranes; desorption; effluents; fluorescence emission spectroscopy; fouling; liquids; mass transfer; membrane bioreactors; methane; porosity; upflow anaerobic sludge blanket reactor
Abstract:: ... Fouling in membrane contactors for recovery of dissolved methane (CH₄) was investigated in this work. Two types of effluents from anaerobic membrane bioreactor (AnMBR) and upflow anaerobic sludge blanket (UASB) were tested under a continuous operational mode. Due to the higher fouling propensity of the UASB effluent, membrane fouling was more drastic, leading to a greater decline in the CH₄ desorp ...
DOI:: 10.1016/j.memsci.2018.12.038
: https://doi.org/10.1016/j.memsci.2018.12.038

98. Fouling resistant amphiphilic poly(dimethylsiloxane)-linked-poly(ethylene glycol) network on ultrafiltration poly(vinylidene fluoride) membrane and effect of spatial chain arrangement on separation of oil-water emulsions

Author:: Dixit V. Bhalani; Suresh K. Jewrajka
Source:: Journal of membrane science 2019 v.583 pp. 278-291
ISSN:: 0376-7388
Subject:: antifouling activities; artificial membranes; bovine serum albumin; cleaning; crosslinking; emulsions; fouling; hydrophilicity; hydrophobicity; oils; polyethylene glycol; polymethylmethacrylate; polyvinylpyrrolidone; styrene; ultrafiltration
Abstract:: ... In continuation of previous work (J. Membr. Sci. 566, 2018, 415) on construction of superhydrophilic membrane with hierarchical surface morphology, herein a facile route for the fabrication of membrane surface containing dangling amphiphilic chains for the separation of oil-in-water emulsions and protein has been reported. A reactive blend membrane prepared with poly(vinyl fluoride), poly(vinyl py ...
DOI:: 10.1016/j.memsci.2019.04.067
: https://doi.org/10.1016/j.memsci.2019.04.067

99. From nanoscale modification to separation - The role of substrate and modifiers in the transport properties of ceramic membranes in membrane distillation

Author:: Joanna Kujawa
Source:: Journal of membrane science 2019 v.580 pp. 296-306
ISSN:: 0376-7388
Subject:: Gibbs free energy; aluminum oxide; artificial membranes; ceramics; chlorine; contact angle; distillation; fluorine; hydrophobicity; hysteresis; mechanical properties; moieties; silane; surface tension; titanium dioxide
Abstract:: ... The set of various ceramic substrates Al2O3-100nm, TiO2-75nm, ZrO2-3nm, and ZrO2-200nm were used in the hydrophobization process with different silane-based modifiers fluorinated and fluorine-free, possessing different reactive groups (ethoxy, methoxy, and chlorine) and different length of the alkyl-chain (C6 and C16). It was investigated how these variables can influence the features of the mater ...
DOI:: 10.1016/j.memsci.2019.03.029
: https://doi.org/10.1016/j.memsci.2019.03.029

100. Functional magnetic nanoparticles for enhancing ultrafiltration of waste cutting emulsions by significantly increasing flux and reducing membrane fouling

Author:: Xiangfeng Huang; Jialu Zhang; Kaiming Peng; Ya Na; Yongjiao Xiong; Wanqi Liu; Jia Liu; Lijun Lu; Shiyang Li
Source:: Journal of membrane science 2019 v.573 pp. 73-84
ISSN:: 0376-7388
Subject:: artificial membranes; chemical oxygen demand; coatings; cutting; emulsions; fouling; magnetic fields; nanoparticles; oils; ultrafiltration; wastes
Abstract:: ... Waste cutting emulsions have high oil concentration, complex components, and strong stability, making them extremely difficult to dispose of. Efficient separation of oil and water is key to disposing of such emulsions. In this study, magnetic nanoparticles (MNPs) were applied in different ways to the membrane separation process to form four coupling processes for emulsion treatment. Compared to di ...
DOI:: 10.1016/j.memsci.2018.11.074
: https://doi.org/10.1016/j.memsci.2018.11.074

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1. 3D covalent organic framework for morphologically induced high-performance membranes with strong resistance toward physical aging

2. 3D printed spacers based on TPMS architectures for scaling control in membrane distillation

3. A comprehensively fouling- and solvent-resistant aliphatic polyketone membrane for high-flux filtration of difficult oil-in-water micro- and nanoemulsions

4. A conductive PVDF-Ni membrane with superior rejection, permeance and antifouling ability via electric assisted in-situ aeration for dye separation

5. A highly permeable loose nanofiltration membrane prepared via layer assembled in-situ mineralization

6. A metal-nano GO frameworks/PPS membrane with super water flux and high dyes interception

7. A modeling investigation on the thermal effect in osmosis with gap-filled vertically aligned carbon nanotube membranes

8. A molecular simulation protocol for swelling and organic solvent nanofiltration of polymer membranes

9. A new strategy to simultaneously improve the permeability and antifouling properties of EVAL membranes via surface segregation of macrocyclic supra-amphiphiles

10. A novel gold nanocomposite membrane with enhanced permeation, rejection and self-cleaning ability

11. A novel ion-imprinted membrane induced by amphiphilic block copolymer for selective separation of Pt(IV) from aqueous solutions

12. A novel membrane with ion-recognizable copolymers in graphene-based nanochannels for facilitated transport of potassium ions

13. A novel smart membrane with ion-recognizable nanogels as gates on interconnected pores for simple and rapid detection of trace lead(II) ions in water

14. A poly(ionic liquid) complex membrane for pervaporation dehydration of acidic water-isopropanol mixtures

15. A polyacrylonitrile (PAN)-based double-layer multifunctional gel polymer electrolyte for lithium-sulfur batteries

16. A relation between membrane permeability and flow rate at low Reynolds number in circular pipe

17. A zwitterionic interpenetrating network for improving the blood compatibility of polypropylene membranes applied to leukodepletion

18. Acid resistant PVDF-co-HFP based copolymer proton exchange membrane for electro-chemical application

19. Aerating static mixers prevent fouling

20. Alkaline durable 2-methylimidazolium containing anion-conducting electrolyte membranes synthesized by radiation-induced grafting for direct hydrazine hydrate fuel cells

21. All-silica DD3R zeolite membrane with hydrophilic-functionalized surface for efficient and highly-stable pervaporation dehydration of acetic acid

22. Aluminum fumarate MOF/PVDF hollow fiber membrane for enhancement of water flux and thermal efficiency in direct contact membrane distillation

23. Amino-modified hollow mesoporous silica nanospheres-incorporated reverse osmosis membrane with high performance

24. Amphibian-inspired amino acid ionic liquid functionalized nanofiltration membranes with high water permeability and ion selectivity for pigment wastewater treatment

25. Analysis of W/Mo alloying on hydrogen permeation performance of dual phase Nb-Ti-Ni alloys based on hydrogen chemical potentials

26. Antifouling performance and mechanisms in an electrochemical ceramic membrane reactor for wastewater treatment

27. Antiwetting and Antifouling Janus Membrane for Desalination of Saline Oily Wastewater by Membrane Distillation

28. Application of rotational vibration in a submerged hollow fibre membrane system for bioseparation of high concentration yeast suspensions

29. Asymmetric mullite membranes manufactured by phase-inversion tape casting from polymethylsiloxane and aluminum diacetate

30. Asymmetric porous membranes with ultra-high ion selectivity for vanadium redox flow batteries

31. Backpulsing technology applied in MF and UF processes for membrane fouling mitigation: A review

32. Bifunctional ionic liquid and conducting ceramic co-assisted solid polymer electrolyte membrane for quasi-solid-state lithium metal batteries

33. Bipyridine-based polybenzimidazole membranes with outstanding hydrogen fuel cell performance at high temperature and non-humidifying conditions

34. Blending polybenzimidazole with an anion exchange polymer increases the efficiency of vanadium redox flow batteries

35. Bola-amphiphile-imidazole embedded GO membrane with enhanced solvent dehydration properties

36. Braid-reinforced thin film composite hollow fiber nanofiltration membranes

37. Carbon nanotubes enhance permeability of ultrathin polyamide rejection layers

38. Cellulose hollow fibers for organic resistant nanofiltration

39. Ceramic nanofiltration and membrane distillation hybrid membrane processes for the purification and recycling of boric acid from simulative radioactive waste water

40. Comb-shaped ether-free poly(biphenyl indole) based alkaline membrane

41. Comparative study of nanofiltration membrane characterization devices of different dimension and configuration (cross flow and dead end)

42. Comparison of membrane distillation and high-temperature nanofiltration processes for treatment of silica-saturated water

43. Comprehensive study on PVDF-HFP/BMImBF4/AgBF4 membranes for propylene purification

44. Computational fluid dynamics simulations of polarization phenomena in Direct Contact Membrane Distillation

45. Confined nanobubbles shape the surface roughness structures of thin film composite polyamide desalination membranes

46. Correction: Performance evaluation of interfacial polymerisation-fabricated aquaporin-based biomimetic membranes in forward osmosis

47. Coupling ferrate pretreatment and in-situ ozonation/ceramic membrane filtration for wastewater reclamation: Water quality and membrane fouling

48. Covalent organic frameworks (COFs) functionalized mixed matrix membrane for effective CO2/N2 separation

49. Covalent triazine frameworks membrane with highly ordered skeleton nanopores for robust and precise molecule/ion separation

50. Cross-linked highly sulfonated poly(arylene ether sulfone) membranes prepared by in-situ casting and thiol-ene click reaction for fuel cell application

51. Cross-linking of dehydrofluorinated PVDF membranes with thiol modified polyhedral oligomeric silsesquioxane (POSS) and pure water flux analysis

52. Crown ether containing polyelectrolyte multilayer membranes for lithium recovery

53. Deep neural networks for modeling fouling growth and flux decline during NF/RO membrane filtration

54. Densification-induced hollow fiber membranes using crosslinked thermally rearranged (XTR) polymer for CO2 capture

55. Deposition and reentrainment of colloidal particles in disordered fibrous filters under chemically and physically unfavorable conditions

56. Development of a dual-layered PVDF-HFP/cellulose membrane with dual wettability for desalination of oily wastewater

57. Development of a novel perfluoropolyether (PFPE) hydrophobic/hydrophilic coated membranes for water treatment

58. Development of thermoresponsive star oligomers with a glycerol backbone as the draw solute in forward osmosis process

59. Diffusion coefficient of solute in heterogeneous and macroporous hydrogels and its correlation with the effective crosslinking density

60. Dilute solvent welding: A quick and scalable approach for enhancing the mechanical properties and narrowing the pore size distribution of electrospun nanofibrous membrane

61. Dimensionally-controlled densification in crosslinked thermally rearranged (XTR) hollow fiber membranes for CO2 capture

62. Direct observation of vanadium ion permeation behavior through Nafion 117 using 48V radiotracer for all-vanadium redox flow battery

63. Dual-biomimetic superwetting silica nanofibrous membrane for oily water purification

64. Dynamic behavior of unsteady-state membrane gas separation: Modelling of a closed-mode operation for a membrane module

65. Effect of Bi doping on the performance of dual-phase oxygen-permeable membranes

66. Effect of Pluronic F127 on porous and dense membrane structure formation via non-solvent induced and evaporation induced phase separation

67. Effect of gradient profile in ceramic membranes on filtration characteristics: Implications for membrane development

68. Effect of mass transfer at the interface of the polymer solution and extruded solvent during the air gap on membrane structures and performances in TIPS process using triple-orifice spinneret

69. Effect of surfactant hydrophobicity and charge type on membrane distillation performance

70. Effect of the relative degree of foulant “hydrophobicity” on membrane fouling