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You searched for: Journal name Journal of membrane science Remove constraint Journal name: Journal of membrane science Publication year rev 7986-2014 Remove constraint Publication year rev: 7986-2014 Source 2014 v.471 Remove constraint Source: 2014 v.471
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1. Alumina-supported AlPO-18 membranes for CO2/CH4 separation

Author:
Ting Wu; Bin Wang; Zhanghui Lu; Rongfei Zhou; Xiangshu Chen
Source:
Journal of membrane science 2014 v.471 pp. 338-346
ISSN:
0376-7388
Subject:
X-ray diffraction; adsorption; aluminum oxide; ambient temperature; artificial membranes; carbon dioxide; crystals; hydrogen; liquids; methane; porous media; scanning electron microscopy; water vapor
Abstract:
... Selective AlPO-18 membranes were reproducibly synthesized on the outside surface of macroporous tubular α-alumina supports in a single hydrothermal synthesis step. The AlPO-18 crystals and membranes were characterized by SEM, XRD, adsorption and permeation measurements. Single-gas permeances of CO2, N2, CH4 and i-C4H10 decreased with increased kinetic diameter, but CO2 permeated faster than the sm ...
DOI:
10.1016/j.memsci.2014.08.035

2. Biogenic silver nanocomposite polyethersulfone UF membranes with antifouling properties

Author:
Manying Zhang; Robert W. Field; Kaisong Zhang
Source:
Journal of membrane science 2014 v.471 pp. 274-284
ISSN:
0376-7388
Subject:
Lactobacillus fermentum; adsorption; antibacterial properties; asymmetric membranes; atomic force microscopy; bacteria; biofouling; contact angle; disk diffusion antimicrobial test; filtration; hydrophilicity; molecular weight; nanocomposites; nanoparticles; nanosilver; permeability; scanning electron microscopy; silver; sludge; water utilities
Abstract:
... Biofouling remains one of the most challenging issues of membrane application in water industry. One of the practical strategies to control fouling is anti-biofouling membrane. High concentration and high stable biogenic nanoparticle silver with the averaged diameter of only 6nm (Bio-Ag⁰-6) was firstly extracted from the supernatant of Lactobacillus fermentum. The biogenic nanocomposite polyethers ...
DOI:
10.1016/j.memsci.2014.08.021

3. Breath figure templating for fabrication of polysulfone microporous membranes with highly ordered monodispersed porosity

Author:
Brajesh Kumar Tripathi; Pratibha Pandey
Source:
Journal of membrane science 2014 v.471 pp. 201-210
ISSN:
0376-7388
Subject:
alcohols; cell structures; methylene chloride; microporous membranes; porosity; relative humidity; separation; solvents
Abstract:
... Polysulfone membranes having highly ordered pores in uniform micron size range were fabricated using breath figure (BF) templating in combination with phase separation. Specifically, membranes with average pore opening of 1.5µm, 2.5µm, 2.8µm and 3.4µm and tubular pore cross-sections were prepared. Different solvent systems, dilutions and casting conditions were tested to realize BF templating for ...
DOI:
10.1016/j.memsci.2014.08.004

4. Critical flux of surface-patterned ultrafiltration membranes during cross-flow filtration of colloidal particles

Author:
Sajjad H. Maruf; Alan R. Greenberg; John Pellegrino; Yifu Ding
Source:
Journal of membrane science 2014 v.471 pp. 65-71
ISSN:
0376-7388
Subject:
artificial membranes; colloids; fouling; particle size; ultrafiltration
Abstract:
... Previous work has suggested that membrane patterning is a promising approach to fouling mitigation. In this systematic study, we describe performance metrics for the cross-flow filtration of colloidal suspensions through ultrafiltration membranes with lithographically patterned surfaces. The effects of particle size, cross-flow velocity, pattern size, and flow configuration on membrane performance ...
DOI:
10.1016/j.memsci.2014.07.071

5. Desalination of dye solution utilizing PVA/PVDF hollow fiber composite membrane modified with TiO2 nanoparticles

Author:
Xipeng Li; Yingbo Chen; Xiaoyu Hu; Yufeng Zhang; Linjia Hu
Source:
Journal of membrane science 2014 v.471 pp. 118-129
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; asymmetric membranes; chemical structure; composite polymers; desalination; energy-dispersive X-ray analysis; fluorides; fouling; glutaraldehyde; models; nanoparticles; pH; polyvinyl alcohol; sodium chloride; sodium sulfate; temperature; thermal stability; titanium dioxide; wastewater treatment; zeta potential
Abstract:
... Novel poly(vinyl alcohol) (PVA)/poly(vinylidene fluoride) (PVDF) hollow fiber composite membranes modified with nano-TiO2 were prepared by a dip-coating method and they are suitable to be utilized in dye desalination and wastewater treatment. Glutaraldehyde (GA) was used as a cross-linker for the composite polymer membrane in order to enhance the chemical, thermal as well as mechanical stabilities ...
DOI:
10.1016/j.memsci.2014.08.018

6. Enhanced stability of membrane reactor for thermal decomposition of CO2 via porous-dense-porous triple-layer composite membrane

Author:
Kai Zhang; Guangru Zhang; Zhengkun Liu; Jiawei Zhu; Na Zhu; Wanqin Jin
Source:
Journal of membrane science 2014 v.471 pp. 9-15
ISSN:
0376-7388
Subject:
asymmetric membranes; carbon dioxide; carbon monoxide; corrosion; methane; oxygen; temperature; thermal degradation
Abstract:
... A triple-layer composite membrane with porous-dense-porous structure was proposed to develop a high performance membrane reactor. The triple-layer composite membrane consists of a porous Sr0.7Ba0.3Fe0.9Mo0.1O3−δ (SBFM) layer, a dense 0.5wt% Nb2O5-doped SrCo0.8Fe0.2O3−δ (SCFNb) layer and a porous La0.8Sr0.2MnO3−δ–yttria stabilized zirconia (LSM/YSZ) layer. The porous layers can effectively reduce t ...
DOI:
10.1016/j.memsci.2014.06.060

7. Experimental and theoretical analyses of temperature polarization effect in vacuum membrane distillation

Author:
Ahmad S. Alsaadi; Lijo Francis; Gary L. Amy; Noreddine Ghaffour
Source:
Journal of membrane science 2014 v.471 pp. 138-148
ISSN:
0376-7388
Subject:
artificial membranes; direct contact; distillation; heat recovery; mass transfer; mathematical models; motivation; temperature; water vapor
Abstract:
... This paper discusses the effect of temperature polarization in Vacuum Membrane Distillation (VMD). The main motivation for using VMD in this work is that this module configuration is much simpler and more suitable for this kind of investigation than the other MD configurations such as Direct Contact Membrane Distillation (DCMD). The coupling between heat and mass transfer mechanisms at the feed-me ...
DOI:
10.1016/j.memsci.2014.08.005

8. Facilitated separation of CO2 and SO2 through supported liquid membranes using carboxylate-based ionic liquids

Author:
Kuan Huang; Xiao-Min Zhang; Ya-Xin Li; You-Ting Wu; Xing-Bang Hu
Source:
Journal of membrane science 2014 v.471 pp. 227-236
ISSN:
0376-7388
Subject:
anions; carbon dioxide; dicarboxylic acids; gases; ionic liquids; maleates; methane; nitrogen; permeability; quaternary ammonium compounds; sulfur dioxide; supported liquid membranes; temperature
Abstract:
... The facilitated separation of CO2 and SO2 in a series of supported ionic liquid membranes (SILMs) impregnated with carboxylate-based ILs (including monocarboxylates and dicarboxylates) was investigated systematically under humidified condition. The effects of transmembrane pressure difference and temperature on the permeability of acidic gases and permselectivity of gas pairs were studied. It is f ...
DOI:
10.1016/j.memsci.2014.08.022

9. Hemocompatibility and ultrafiltration performance of surface-functionalized polyethersulfone membrane by blending comb-like amphiphilic block copolymer

Author:
Haiming Song; Fen Ran; Huili Fan; Xiaoqin Niu; Long Kang; Changsheng Zhao
Source:
Journal of membrane science 2014 v.471 pp. 319-327
ISSN:
0376-7388
Subject:
X-ray photoelectron spectroscopy; adhesion; anticoagulants; artificial membranes; biocompatibility; blood platelets; cell adhesion; composite polymers; contact angle; hemodialysis; hemolysis; hydrophilicity; mixing; polymerization; polymethylmethacrylate; polyvinylpyrrolidone; separation; thromboplastin; ultrafiltration
Abstract:
... While polyethersulfone (PES) represents outstanding oxidative, thermal and hydrolytic stability as well as good mechanical and film-forming properties, the hemocompatibility of PES membrane must be dramatically enhanced to reduce injections of anticoagulants during hemodialysis. In this study, a comblike amphiphilic block copolymer poly (vinyl pyrrolidone)-block-poly (acrylate-graft-poly (methyl m ...
DOI:
10.1016/j.memsci.2014.08.013

10. High performance zeolite NaA membranes synthesized on the inner surface of zeolite/PES–PI blend composite hollow fibers

Author:
Zhiying Zhan; Jia Shao; Yong Peng; Zhengbao Wang; Yushan Yan
Source:
Journal of membrane science 2014 v.471 pp. 299-307
ISSN:
0376-7388
Subject:
aqueous solutions; artificial membranes; contact angle; crystals; ethanol; extrusion; hydrophobicity; mechanical properties; mixing; pervaporation; polymers; scanning electron microscopy; slurries; solvents; spinning; zeolites
Abstract:
... Zeolite/polymer blend composite hollow fibers are prepared as a new type of zeolite membrane supports by the dry-wet phase inversion method. The spinning slurry is formed by mixing zeolite NaA crystals with miscible polyethersulfone–polyimide polymer blend. Zeolite NaA membranes are hydrothermally synthesized in the lumen side of the hollow fibers under dynamic conditions. Their properties are cha ...
DOI:
10.1016/j.memsci.2014.08.027

11. Hydrophilic nanoporous ion-exchange membranes as a stabilizing barrier for liquid–liquid membrane extraction of lithium ions

Author:
Jianfeng Song; Xue-Mei Li; Yunyan Zhang; Yong Yin; Baolong Zhao; Chunxia Li; Dingfeng Kong; Tao He
Source:
Journal of membrane science 2014 v.471 pp. 372-380
ISSN:
0376-7388
Subject:
hydrophilicity; ion-exchange membranes; ions; kerosene; liquid-liquid extraction; lithium; mining; mixing; nanopores; polymers; seawater; solvents; supported liquid membranes
Abstract:
... Stability of supported liquid membrane (SLM) has been a key issue in the application of high efficiency liquid membranes. In this paper, a nanoporous ion exchange membrane, prepared by blending polyethersulfone (PES) with sulfonated poly (phenyl ether ketone, SPPESK), was utilized as the stabilizing barrier for the extraction of lithium ion based on liquid–liquid membrane extraction. The membrane ...
DOI:
10.1016/j.memsci.2014.08.010

12. Impact of e-beam irradiation of municipal secondary effluent on MF and RO membranes performances

Author:
Meng Meng; Fabien Pellizzari; Sahidou O.B. Boukari; Nathalie Karpel Vel Leitner; Benoît Teychene
Source:
Journal of membrane science 2014 v.471 pp. 1-8
ISSN:
0376-7388
Subject:
artificial membranes; filtration; fouling; irradiation; organic matter; oxidation; water reuse; water shortages
Abstract:
... Due to water scarcity, development of innovative processes for wastewater reuse has become a priority. Hence, hybrid processes coupling membrane separation with advanced oxidation processes could play a decisive role in the production of safe water. However, membrane fouling is still one of the main limitations to process widespread application. Thus, the present study investigates the impact of e ...
DOI:
10.1016/j.memsci.2014.07.046

13. Influence of organic, colloidal and combined fouling on NF rejection of NaCl and carbamazepine: Role of solute–foulant–membrane interactions and cake-enhanced concentration polarisation

Author:
T.O. Mahlangu; E.M.V. Hoek; B.B. Mamba; A.R.D. Verliefde
Source:
Journal of membrane science 2014 v.471 pp. 35-46
ISSN:
0376-7388
Subject:
aluminum oxide; artificial membranes; calcium; filtration; fouling; latex; models; sodium alginate; sodium chloride
Abstract:
... The effects of single and combined fouling by sodium alginate, latex and Al2O3 on membrane performance in terms of permeate flux, salt rejection and rejection of the pharmaceutical carbamazepine were evaluated in a laboratory-scale cross-flow filtration unit. Fouling resulted in different extents in permeate flux, salt rejection and carbamazepine rejection over time. Combined fouling resulted in l ...
DOI:
10.1016/j.memsci.2014.07.065

14. Mass transfer in reverse electrodialysis: Flow entrance effects and diffusion boundary layer thickness

Author:
Sylwin Pawlowski; Philippe Sistat; João G. Crespo; Svetlozar Velizarov
Source:
Journal of membrane science 2014 v.471 pp. 72-83
ISSN:
0376-7388
Subject:
electrodialysis; hydrodynamics; ion-exchange membranes; mass transfer; models; power generation; salt concentration; sodium chloride; uncertainty
Abstract:
... Power generation by reverse electrodialysis (RED) depends on ionic mass transfer through alternately arranged cation- and anion-exchange membranes. Chronopotentiometric measurements were carried out in an EDR-Z Mini stack (MEGA a.s.), equipped with Ralex heterogeneous membranes, separated by either sheet flow spacers or mesh-free gaskets. Various concentrations of model NaCl solutions were used to ...
DOI:
10.1016/j.memsci.2014.07.075

15. Membrane fouling mechanism transition in relation to feed water composition

Author:
Darli T. Myat; Max Mergen; Oliver Zhao; Matthew B. Stewart; John D. Orbell; Tony Merle; Jean-Philippe Croué; Stephen R. Gray
Source:
Journal of membrane science 2014 v.471 pp. 265-273
ISSN:
0376-7388
Subject:
adsorption; artificial membranes; biopolymers; coagulation; filter cake; filtration; fouling; humic substances; hydrochemistry; hydrophilicity; hydrophobicity; ion exchange; polypropylenes; thermoplastics; wastewater; Australia
Abstract:
... The impact of secondary effluent wastewater from the Eastern Treatment Plant (ETP), Melbourne, Australia, before and after ion exchange (IX) treatment and polyaluminium chlorohydrate (PACl) coagulation, on hydrophobic polypropylene (PP) and hydrophilic polyvinylidene fluoride (PVDF) membrane fouling was studied. Laboratory fouling tests were operated over 3–5 days with regular, intermittent backwa ...
DOI:
10.1016/j.memsci.2014.07.067

16. New perfluoro-dioxolane-based membranes for gas separations

Author:
Yoshiyuki Okamoto; Hao Zhang; Frantisek Mikes; Yasuhiro Koike; Zhenjie He; Timothy C. Merkel
Source:
Journal of membrane science 2014 v.471 pp. 412-419
ISSN:
0376-7388
Subject:
asymmetric membranes; biological resistance; carbon dioxide; composite polymers; hydrogen; methane; nitrogen
Abstract:
... Perfluoropolymer membranes have found commercial use because of their unique gas separation properties and chemical resistance. To date, studies of gas transport in perfluoropolymers have been limited largely to variants of the commercially available polymers, Teflon® AF, Cytop, and Hyflon® AD. Here, we describe gas transport in composite membranes fabricated from copolymers of perfluoro(2-methyle ...
DOI:
10.1016/j.memsci.2014.07.074

17. Novel scrubbing system for post-combustion CO2 capture and recovery: Experimental studies

Author:
Tripura Mulukutla; Gordana Obuskovic; Kamalesh K. Sirkar
Source:
Journal of membrane science 2014 v.471 pp. 16-26
ISSN:
0376-7388
Subject:
absorbents; absorption; aqueous solutions; artificial membranes; capital; carbon dioxide; dendrimers; emissions; energy; ethanolamine; flue gas; global warming; ionic liquids; mass transfer; operating costs; power plants; steam; streams
Abstract:
... Power plant emissions of flue gas to the atmosphere releases considerable CO2 which is considered to be the main contributor to global warming. Several gas absorption techniques are being investigated to reduce the capital and operating costs for CO2 capture from post-combustion flue gas. Conventional method of CO2 capture by an aqueous solution of monoethanolamine (MEA) and its subsequent strippi ...
DOI:
10.1016/j.memsci.2014.07.037

18. PDMS/PVDF composite pervaporation membrane for the separation of dimethyl carbonate from a methanol solution

Author:
Haoli Zhou; Lei Lv; Gongping Liu; Wanqin Jin; Weihong Xing
Source:
Journal of membrane science 2014 v.471 pp. 47-55
ISSN:
0376-7388
Subject:
asymmetric membranes; diffusivity; methanol; microfiltration; pervaporation; polydimethylsiloxane; solubility; sorption; thermoplastics
Abstract:
... In this paper, polydimethylsiloxane (PDMS) composite membranes that were supported using polyvinylidene fluoride (PVDF) microfiltration membrane were developed for the pervaporation (PV) of dimethyl carbonate (DMC) from a methanol solution. Experimental studies on the solubility and the diffusivity of pure DMC and methanol in the membrane were first measured. Higher DMC uptake indicates that the s ...
DOI:
10.1016/j.memsci.2014.07.068

19. Preparation of polyethersulfone/plant-waste-particles mixed matrix membranes for adsorptive removal of cationic dyes from water

Author:
Chia-Hao Lin; Chin-Hau Gung; Jia-Jun Sun; Shing-Yi Suen
Source:
Journal of membrane science 2014 v.471 pp. 285-298
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; adsorption; artificial colors; artificial membranes; banana peels; batch systems; biosorbents; desorption; electrostatic interactions; food waste; gentian violet; hydrogen bonding; hydrophobic bonding; ion exchange capacity; methanol; methylene blue; pH; porosity; porous media; potassium thiocyanate; pummelos; scanning electron microscopy; sodium sulfate; tea; thermogravimetry; wastewater; water treatment; zeta potential
Abstract:
... This paper focuses on the preparation of porous mixed matrix membranes (MMMs) by filling plant waste particles in polyethersulfone (PES), specifically for adsorptive removal of cationic dyes from water. Three kinds of plant wastes, including banana peel, tea waste, and shaddock peel, were adopted as fillers to fabricate the MMMs via water-vapor-induced phase inversion. The prepared particles and M ...
DOI:
10.1016/j.memsci.2014.08.003

20. Seed-free synthesis of highly permeable zeolite NaA membranes through deposition of APTES-functionalized alumina particles on macroporous supports

Author:
Huazheng Li; Jing Xu; Jinqu Wang; Jianhua Yang; Ke Bai; Jinming Lu; Yan Zhang; Dehong Yin
Source:
Journal of membrane science 2014 v.471 pp. 84-93
ISSN:
0376-7388
Subject:
aluminum; aluminum oxide; artificial membranes; chemical bonding; crystals; porous media; silica; surface roughness; zeolites
Abstract:
... A new strategy through deposition of 3-aminopropyltriethoxysilane (APTES) functionalized Al2O3 particles on a coarse macrosporous tube with big defect holes was reported for seed-free synthesis of zeolite NaA membranes. Prior to the deposition of Al2O3 particles onto the macroporous support, APTES was covalently functionalized onto the surface of Al2O3 particles, aiming at providing heterogeneous ...
DOI:
10.1016/j.memsci.2014.07.057