Graphene oxide-embedded thin-film composite reverse osmosis membrane with high flux, anti-biofouling, and chlorine resistance

被引：431

作者：

Chae, Hee-Ro ^{[1
]}

Lee, Jaewoo ^{[1
]}

Lee, Chung-Hak ^{[1
]}

Kim, In-Chul ^{[2
]}

Park, Pyung-Kyu ^{[3
]}

机构：

[1] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea

[2] Korea Res Inst Chem Technol, Res Ctr Biobased Chem, Taejon 305600, South Korea

[3] Yonsei Univ, Dept Environm Engn, Wonju 220710, Gangwon Do, South Korea

来源：

JOURNAL OF MEMBRANE SCIENCE | 2015年 / 483卷

基金：

新加坡国家研究基金会;

关键词：

Graphene oxide; Reverse osmosis; Anti-biofouling; Chlorine resistance; INTERFACIAL POLYMERIZATION; POLYAMIDE MEMBRANES; COMMITTEE REPORT; PERFORMANCE; NANOSHEETS; BEHAVIOR; ENERGY;

D O I：

10.1016/j.memsci.2015.02.045

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

We demonstrated that a thin-film composite (TFC) membrane with graphene oxide (GO) embedded in its polyamide (PA) layer exhibited high water permeability, anti-biofouling property, and chlorine resistance without loss of salt rejection. The GO fabricated by chemical exfoliation was fractionated for size control, and then the fractionated GO was dispersed in an aqueous solution of m-phenylenediamine (MPD) before interfacial polymerization. The water permeability and anti-biolouling property of the GO-embedded TFC (GO-TFC) membrane were enhanced by approximately 80% and 98% (based on the biovolume), respectively, and high salt rejection was retained even at 48,000 ppm h chlorination. Compared with the TFC membrane, the enhanced performances of the GO-TFC membrane were attributed to the change of hyclrophilicity, surface charge, surface roughness, and thickness of the PA layer through the incorporation of GO. Both the size and the concentration of GO were the key factors in improving the performance of the GO-TFC membrane. (C) 2015 Elsevier B.V. All rights reserved

引用

页码：128 / 135

页数：8

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