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You searched for: Journal Journal of membrane science Remove constraint Journal: Journal of membrane science Publication Year 2019 Remove constraint Publication Year: 2019 Source 2019 v.587 Remove constraint Source: 2019 v.587
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1. A highly permeable loose nanofiltration membrane prepared via layer assembled in-situ mineralization

Author:
Zhang, Jinglong; Yang, Libin; Wang, Zhan; Yang, Shigang; Li, Ping; Song, Peng; Ban, Min
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

2. An interface-strengthened cross-linked graphene oxide/Nafion212 composite membrane for vanadium flow batteries

Author:
Zhang, Daishuang; Wang, Qian; Peng, Sangshan; Yan, Xiaoming; Wu, Xuemei; He, Gaohong
Source:
Journal of membrane science 2019 v.587 pp. 117189
ISSN:
0376-7388
Subject:
asymmetric membranes; batteries; crosslinking; electrochemistry; energy efficiency; graphene; permeability; sol-gel processing; vanadium
Abstract:
... An interface-strengthened cross-linked graphene oxide/Nafion212 (CLGO/Nafion212) composite membrane was successfully fabricated and served as ion conducting membrane for vanadium flow batteries (VFBs). Firstly, the surface of Nafion212 was endowed with plenty of amino groups via in situ sol-gel chemistry approach of 3-aminopropyltriethoxysilane. Subsequently, a thin layer of m-xylylenediamino-cros ...
DOI:
10.1016/j.memsci.2019.117189

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

Author:
Gao, Yinghong; Qin, Jie; Wang, Zhiwei; Østerhus, Stein W.
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

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

Author:
Park, Sanghun; Baek, Sang-Soo; Pyo, JongCheol; Pachepsky, Yakov; Park, Jongkwan; Cho, Kyung Hwa
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

5. Double network anion exchange membrane with excellent flexibility and stability

Author:
Du, Xinming; Wang, Zhe; Zhang, Hongyu; Liu, Wenchang; Chen, Zhaoyu; Xu, Jingmei
Source:
Journal of membrane science 2019 v.587 pp. 117178
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; Lewis bases; anion-exchange membranes; asymmetric membranes; crosslinking; hydrophilicity; hydrophobicity; scanning electron microscopes; scanning electron microscopy; sodium hydroxide; transmission electron microscopy; triazoles; water uptake
Abstract:
... A double-network anion exchange membrane (TA/AT-PEK/PVA-x) was prepared by Br-PEK and PVA, 3-amino-1,2,4 triazole forms a cross-linking structure with PVA under the action of 1,4-phthalaldehyde and then triazole can be linked with Br-PEK. The structure of membranes was verified by FT-IR. The composite membrane is uniform and smooth can be seen from the scanning electron microscope (SEM) and exhibi ...
DOI:
10.1016/j.memsci.2019.117178

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

Author:
Trubyanov, Maxim M.; Kirillov, Sergei Y.; Vorotyntsev, Andrey V.; Sazanova, Tatyana S.; Atlaskin, Artem A.; Petukhov, Anton N.; Kirillov, Yuri P.; Vorotyntsev, Ilya V.
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

7. Effect of carboxylic acid crosslinking of cellulose membranes on nanofiltration performance in ethanol and dimethylsulfoxide

Author:
Konca, Kübra; Çulfaz-Emecen, P. Zeynep
Source:
Journal of membrane science 2019 v.587 pp. 117175
ISSN:
0376-7388
Subject:
acetates; acetone; artificial membranes; carboxylic acids; cellulose; crosslinking; dimethyl sulfoxide; electrostatic interactions; ethanol; gentian violet; leaves; mechanical properties; moieties; nanofiltration; solutes; solvents; sorption
Abstract:
... Cellulose membranes were fabricated via phase inversion using 1-ethyl-3-methylimidazolium acetate as solvent and acetone as volatile cosolvent. 1,2,3,4-butanetetracarboxylic acid was used to partially crosslink the hydroxyl groups of cellulose, thereby changing mechanical properties of the membranes and the interactions with solvents, ethanol and dimethyl sulfoxide, and solutes. Rejection of dyes ...
DOI:
10.1016/j.memsci.2019.117175

8. Effect of HIx solution concentration on ion-exchange membrane performance in electro-electrodialysis

Author:
Tanaka, N.; Yamaki, T.; Asano, M.; Terai, T.
Source:
Journal of membrane science 2019 v.587 pp. 117171
ISSN:
0376-7388
Subject:
diffusivity; hydrogen; hydrogen production; ion-exchange membranes; models; protons
Abstract:
... Electro-electrodialysis (EED) has been applied to the thermochemical water-splitting iodine-sulfur process for hydrogen production to enhance the hydrogen iodide (HI) component in the HI–I2–H2O mixture (HIx solution). In this work, the HIx solution concentration dependence of conductivity and transport number as the membrane-performance indexes of Nafion 212 and a styrene-grafted poly(ethylene-co- ...
DOI:
10.1016/j.memsci.2019.117171

9. Effect of ionic liquids (ILs) on MOFs/polymer interfacial enhancement in mixed matrix membranes

Author:
Vu, Manh-Tuan; Lin, Rijia; Diao, Hui; Zhu, Zhonghua; Bhatia, Suresh K.; Smart, Simon
Source:
Journal of membrane science 2019 v.587 pp. 117157
ISSN:
0376-7388
Subject:
adhesion; adsorption; artificial membranes; carbon dioxide; coordination polymers; ionic liquids; methane; nitrogen; scanning electron microscopy
Abstract:
... Strong interfacial interactions between the filler(s) and chosen polymer in mixed matrix membranes (MMMs) is a crucial factor in obtaining high gas separation efficiency. However, it is challenging to obtain excellent filler/polymer contact simply by direct incorporation of micron-sized metal-organic frameworks (MOFs) into a polymer matrix without modification. In this study micron-sized ZIF-67 pa ...
DOI:
10.1016/j.memsci.2019.05.081

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

Author:
Tan, Yong Zen; Velioglu, Sadiye; Han, Le; Joseph, Benson Dannie; Unnithan, Lekshmi Gopalakrishnan; Chew, Jia Wei
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

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

Author:
Altaee, Ali; Braytee, Ali; Millar, Graeme J.; Naji, Osamah
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

12. Enhanced CO2 separation membrane prepared from waste by-product of silk fibroin

Author:
Prasad, Babul; Thakur, Ratul Mitra; Mandal, Bishnupada; Su, Baowei
Source:
Journal of membrane science 2019 v.587 pp. 117170
ISSN:
0376-7388
Subject:
X-ray photoelectron spectroscopy; artificial membranes; biopolymers; byproducts; carbon dioxide; chitosan; cocoons; degumming; fibroins; mixing; nitrogen; polypeptides; sericin; serine; silk; sodium carbonate; wastes
Abstract:
... This study involves membrane technology for the CO2 separation using sericin (SC) as a biopolymer and sodium carbonate (Na2CO3) as a mobile carrier. The silk cocoons contain two proteins- 65–85% silk fibroin (SF) and 15–30% of SC. During the silk degumming process, SF is extracted by dissolving in sodium carbonate (Na2CO3), to remove the SC. Although SF has various applications in vivid fields, SC ...
DOI:
10.1016/j.memsci.2019.117170

13. Evaluating the performance of gravity-driven membrane filtration as desalination pretreatment of shale gas flowback and produced water

Author:
Chang, Haiqing; Liu, Baicang; Wang, Huizhong; Zhang, Si-Yu; Chen, Sheng; Tiraferri, Alberto; Tang, Yue-Qin
Source:
Journal of membrane science 2019 v.587 pp. 117187
ISSN:
0376-7388
Subject:
Animalia; artificial membranes; biofouling; desalination; eukaryotic cells; fungi; hydraulic resistance; industry; microfiltration; nanofiltration; reverse osmosis; shale gas; ultrafiltration
Abstract:
... The shale gas extraction industry generates a large quantity of highly contaminated flowback and produced water (FPW), with great impacts on human health and the environment. In this study, gravity-driven membrane (GDM) filtration was evaluated over a 612-day period as a pre-treatment of FPW for its subsequent desalination. The various investigated GDM systems showed similar contaminant removals, ...
DOI:
10.1016/j.memsci.2019.117187

14. From micro to nano: Polyamide thin film on microfiltration ceramic tubular membranes for nanofiltration

Author:
Chong, Jeng Yi; Wang, Rong
Source:
Journal of membrane science 2019 v.587 pp. 117161
ISSN:
0376-7388
Subject:
calcium chloride; ceramics; magnesium chloride; magnesium sulfate; mechanical properties; microfiltration; molecular weight; nanofiltration; organochlorine compounds; permeability; piperazine; polyamides; polyethyleneimine; polymerization; porosity; sucrose; temperature; thin film composite membranes; trimesoyl chloride
Abstract:
... Interfacial polymerization is an effective technique to synthesize high performance polyamide thin film membranes. However, it is still very challenging to apply this technique on ceramic hollow fibres or tubular membranes, especially when the substrate pore size is in the microfiltration range. In this study, we demonstrated that thin polyamide layer can be synthesized directly on microfiltration ...
DOI:
10.1016/j.memsci.2019.06.001

15. Graphene oxide functionalized with zwitterionic copolymers as selective layers in hybrid membranes with high pervaporation performance

Author:
Ang, Micah Belle Marie Yap; Gallardo, Marwin R.; Dizon, Gian Vincent C.; De Guzman, Manuel Reyes; Tayo, Lemmuel L.; Huang, Shu-Hsien; Lai, Cheng-Lee; Tsai, Hui-An; Hung, Wei-Song; Hu, Chien-Chieh; Chang, Yung; Lee, Kueir-Rarn
Source:
Journal of membrane science 2019 v.587 pp. 117188
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; artificial membranes; chemical bonding; composite polymers; contact angle; filtration; graphene oxide; hydrophilicity; isopropyl alcohol; permeability; pervaporation; scanning electron microscopy; zwitterions
Abstract:
... Zwitterionic copolymers, poly(glycidyl methacrylate-sulfobetaine methacrylate) [poly(GMA-SBMA)], was incorporated into graphene oxide (GO) to form a GO–poly(GMA-SBMA) framework. This compound was then deposited onto a polysulfone support through pressure-assisted filtration to fabricate hybrid membranes. Optimum fabrication conditions were determined by varying the poly(GMA-SBMA) loading. Attenuat ...
DOI:
10.1016/j.memsci.2019.117188

16. High electrochemical performance poly(ethylene oxide)/2,4-toluene diisocyante/polyethylene glycol as electrolytes for all-solid-state lithium batteries

Author:
Li, Chao; Huang, Ying; Feng, Xuansheng; Zhang, Zheng; Liu, Panbo
Source:
Journal of membrane science 2019 v.587 pp. 117179
ISSN:
0376-7388
Subject:
artificial membranes; cathodes; composite polymers; electrochemistry; electrolytes; foams; lithium batteries; polyethylene glycol; thermal stability
Abstract:
... Polymer electrolytes are considered as the most commercially valuable solid electrolytes due to their flexibility and electrochemical stability. In this work, we prepared solid polymer electrolytes (SPEs) based on poly(ethylene oxide) (PEO) and a liner amorphous copolymer 2,4 -toluene diisocyante/polyethylene glycol (TDI/PEG). The optimal electrolyte PEO/TDI/PEG(PTP) with 20% TDI-PEG content prese ...
DOI:
10.1016/j.memsci.2019.117179

17. Hybrid graphene-decorated metal hollow fibre membrane reactors for efficient electro-Fenton - Filtration co-processes

Author:
Huong Le, Thi Xuan; Dumée, Ludovic F.; Lacour, Stella; Rivallin, Matthieu; Yi, Zhifeng; Kong, Lingxue; Bechelany, Mikhael; Cretin, Marc
Source:
Journal of membrane science 2019 v.587 pp. 117182
ISSN:
0376-7388
Subject:
acetaminophen; artificial membranes; cathodes; coatings; corrosion; electrochemistry; electron transfer; filtration; graphene; graphene oxide; hydrodynamics; mercurous chloride; mineralization; oxidation; pollutants; raw materials; sieving; stainless steel
Abstract:
... Metal hollow fibre membranes offer excellent chemical and mechanical stability and are promising platforms for the removal of harsh contaminants from solutions. Stainless steel (SS) membranes are however prone to oxidation and advanced decoration routes are required to passivate the surface of such materials. Here, SS membranes were modified with nanoscale coatings of graphene to promote electroch ...
DOI:
10.1016/j.memsci.2019.117182

18. Improved phosphoric acid recovery from sewage sludge ash using layer-by-layer modified membranes

Author:
Paltrinieri, Laura; Remmen, Kirsten; Müller, Barbara; Chu, Liangyong; Köser, Joachim; Wintgens, Thomas; Wessling, Matthias; de Smet, Louis C.P.M.; Sudhölter, Ernst J.R.
Source:
Journal of membrane science 2019 v.587 pp. 117162
ISSN:
0376-7388
Subject:
X-ray photoelectron spectroscopy; acid tolerance; anions; artificial membranes; atomic force microscopy; cations; guanidinium; iron; magnesium; microfiltration; nanofiltration; pH; permeability; phosphoric acid; polyallylamines; polycyclic aromatic hydrocarbons; quaternary ammonium compounds; sludge ash; ultrafiltration; zeta potential
Abstract:
... We report an advanced treatment method for phosphoric acid recovery from leached sewage sludge ash. Layer-by-layer (LbL) polyelectrolyte deposition has been used as a tool to modify and convert a hollow ultrafiltration membrane into a nanofiltration (NF) LbL membrane for H3PO4 recovery. To build the LbL membrane, poly(styrenesulfonate) PSS was chosen as polyanion, while three different polycations ...
DOI:
10.1016/j.memsci.2019.06.002

19. Metal ions ‘sewing’ isoporous membranes with polystyrene-block-poly (acrylic acid) block copolymer

Author:
Cheng, Juan; Xu, Miao; Cheng, Panpan; Zhang, Wanna; Li, Nan; Wang, Yong; Yang, Jingying; Liang, Kaiyuan; Li, Peng; Yu, Haizhou; Qiu, Xiaoyan
Source:
Journal of membrane science 2019 v.587 pp. 117086
ISSN:
0376-7388
Subject:
antibacterial properties; antifouling activities; artificial membranes; biocompatibility; composite polymers; hydrophilicity; mechanical properties; metal ions; micelles; porosity; separation; synergism
Abstract:
... As a representative amphiphilic block copolymer, polystyrene-block-poly (acrylic acid) (PS-b-PAA) has great potential in biomedical applications owing to its pH-responsiveness, antibacterial property and biocompatibility. Self-assembly of PS-b-PAA has been widely investigated with regard to micelles and thin films. Whereas, it is difficult to precipitate PS-b-PAA in water to make membrane due to t ...
DOI:
10.1016/j.memsci.2019.05.011

20. Metal-organic composite membrane with sub-2 nm pores fabricated via interfacial coordination

Author:
Shen, Yu-Jie; Fang, Li-Feng; Yan, Yan; Yuan, Jia-Jia; Gan, Zhi-Qiang; Wei, Xiu-Zhen; Zhu, Bao-Ku
Source:
Journal of membrane science 2019 v.587 pp. 117146
ISSN:
0376-7388
Subject:
aqueous solutions; asymmetric membranes; diffusivity; hexane; iron; pH; polymerization; salt concentration; sodium chloride; sodium sulfate; tannins
Abstract:
... A metal-organic composite membrane with sub-2 nm pores was developed via interfacial coordination reaction in biphasic systems for the first time. Herein, tannic acid (TA) was dissolved in water, as aqueous phase; iron(III) acetylacetonate (Fe(acac)3), used as Fe(III) source, was dissolved in n-hexane as organic phase. A detailed study was conducted to obtain the defect-free TA-Fe(III) separation ...
DOI:
10.1016/j.memsci.2019.05.070