Transport, structural, and interfacial properties of poly (vinyl alcohol)-polysulfone composite nanofiltration membranes

被引：75

作者：

Peng, Fubing ^{[1
,2
]}

Huang, Xiaofei ^{[1
,2
]}

Jawor, Anna ^{[1
,2
]}

Hoek, Eric M. V. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Civil & Environm Engn, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

来源：

JOURNAL OF MEMBRANE SCIENCE | 2010年 / 353卷 / 1-2期

关键词：

Nanofiltration; Poly(vinyl alcohol); Hydrogel; Cross-linking; Water treatment; REVERSE-OSMOSIS MEMBRANES; POLYVINYL-ALCOHOL; POLY(VINYL ALCOHOL); HYDRAULIC PERMEATION; PERMEABILITY; MODEL; PVA;

D O I：

10.1016/j.memsci.2010.02.044

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Composite nanofiltration membranes were prepared by coating poly(vinyl alcohol) hydrogels on polysulfone ultrafiltration support membranes. Ultra-thin and defect-free poly(vinyl alcohol) hydrogels were cast using multi-step coating procedure with dilute PVA aqueous solutions and novel in situ cross-linking. The combined Spiegler-Kedem-film theory model was used to extract water permeability, solute permeability, reflection coefficients, and mass transfer coefficients for the composite membranes. Transport of water and salt ions through PVA coating films was dramatically influenced by feed solution pH and counter-ion valence as well as PVA molecular weight, concentration, and extent of cross-linking. Characterization of PVA coating film thickness, extent of cross-linking, surface thermodynamic properties, and crystallinity were used to explain differences in observed transport properties of the composite membranes. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：169 / 176

页数：8

共 31 条

[1] Reverse osmosis membranes prepared from potassium peroxydisulphate-modified poly(vinyl alcohol) [J].

Bezuidenhout, D ;

Hurndall, MJ ;

Sanderson, RD ;

van Reenen, AJ .

DESALINATION, 1998, 116 (01) :35-43

[2] Crosslinked poly(vinyl alcohol) membranes [J].

Bolto, Brian ;

Tran, Thuy ;

Hoang, Manh ;

Xie, Zongli .

PROGRESS IN POLYMER SCIENCE, 2009, 34 (09) :969-981

[3] Assessing short-range membrane-colloid interactions using surface energetics [J].

Brant, JA ;

Childress, AE .

JOURNAL OF MEMBRANE SCIENCE, 2002, 203 (1-2) :257-273

[4] HYDRAULIC PERMEATION OF WATER THROUGH HEAT-TREATED PVA MEMBRANE [J].

CHU, TJ ;

YANG, MH .

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1992, 25 (06) :660-665

[5] Impacts of support membrane structure and chemistry on polyamide-polysulfone interfacial composite membranes [J].

Ghosh, Asim K. ;

Hoek, Eric M. V. .

JOURNAL OF MEMBRANE SCIENCE, 2009, 336 (1-2) :140-148

[6] Polyvinyl alcohol as the barrier layer in thin film composite nanofiltration membranes: Preparation, characterization, and performance evaluation [J].

Gohil, J. M. ;

Ray, P. .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2009, 338 (01) :121-127

[7] A comprehensive review of nanofiltration membranes: Treatment, pretreatment, modelling, and atomic force microscopy [J].

Hilal, N ;

Al-Zoubi, H ;

Darwish, NA ;

Mohammad, AW ;

Abu Arabi, M .

DESALINATION, 2004, 170 (03) :281-308

[8] POLY(VINYL ALCOHOL) GEL SUBLAYERS FOR REVERSE-OSMOSIS MEMBRANES .1. INSOLUBILIZATION BY ACID-CATALYZED DEHYDRATION [J].

IMMELMAN, E ;

SANDERSON, RD ;

JACOBS, EP ;

VANREENEN, AJ .

JOURNAL OF APPLIED POLYMER SCIENCE, 1993, 50 (06) :1013-1034

[9]

Jegal J, 2001, J APPL POLYM SCI, V79, P2471, DOI 10.1002/1097-4628(20010328)79:13<2471::AID-APP1055>3.0.CO

[10]

2-K

← 1 2 3 4 →