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Influence of porogens on morphologies and properties of graphene oxide modified polysulfone composite ultrafiltration membranes

Authors： LI Lihua, HU Chaowu, MA Mingming, JIN Wenjie

Units： Department of Environmental Engineering, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, 114051

KeyWords： immersion precipitation phase inverse; grapheme oxide modified polysulfone composite ultrafiltration membrane; porogen; filtration performance; antifouling performance

ClassificationCode：X703.1，TQ028.8

year,volume(issue):pagination： 2016,36(1):39-44

Abstract：

Through immersion precipitation phase inversion method, four different kind of graphene oxide modified polysulfone (PS/GO) composite ultrafiltration membranes were prepared using polyvinylpyrrolidon (PVP-K10), polyethyleneglycol (PEG-400), cetyl trimethyl ammonium bromide (CTAB) and sodium dodecyl sulfate (SDS) as porogens, respectively. The influence of the type and amount of porogens on the membrane structure, separation performance and antifouling performance was investigated by SEM, water flux and flux recovery rate. The results showed that the addition of four different kinds of porogens could all facilitate the further development of pore structures of GO modified ultrafiltration membranes, and thus increase the the water fluxes. Moreover, it was found that the addition of four different kinds of porogens could lead to the improvement of flux recovery rate and the decrease of fouling resistance. Among them, the promoting effect of CTAB for the water fluxes was highest compared with that of other porogen, while the retention rates remained unchanged. When the amount of CTAB was up to 2%, the fouling resistance was reduced to the lowest, and the antifouling performance was enhanced remarkably.

Funds：

辽宁科技大学重点科技创新基金（2012CX01）

AuthorIntro：

李丽华（1971-），女，辽宁鞍山人，博士，副教授，主要从事环境生物技术、环境电化学及环境功能材料的制备研究工作。通讯作者，电话：15998095872，E-mail:lilh2011@163.com

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