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Characterization of Asymmetric PES/SPSF Nanofiltration membranes

Authors： Ma Feng1,2 Zhang Yu-zhong1,2 Ding Xiao-li1,2 Lin li-gang1,2 Li Hong1,2

Units： 1State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300106, China; 2School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300160, China

KeyWords： sulfonated polysulfone; polyethesulfone; nanofiltration; blend; asymmetric

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2012,32(1):46-50

Abstract：

Polyethersulfone(PES)/Sulfonated polysulfone(SPSF) blend nanofiltration membranes were prepared using a simple phase inversion technique. The permeability of nanofiltration membranes fabricated with different sulfonation degree SPSF and SPSF contents was systematically studied. The results showed that nanofiltration membranes with PES/10% sulfonation degree SPSF ratio of 1.5 had high rejection of Na2SO4 (69%), NaCl(23.5%)，PEG1000(99.8%), PEG800(81%) and，PEG600（57.8%） large pure water flux(90.3L/(m2h)) at 0.5MPa and 25℃.

Funds：

国家自然科学基金（50973083）、高等学校博士学科点专项科研基金（20091201120002），国家自然科学基金项目（50473025）。

AuthorIntro：

马冯（1985—），男，湖南常德，硕士研究生，研究生期间从事纳滤膜的研究，E-mail:zzzzmama@163.com,通讯地址：天津市河东区成林道63号天津工业大学。张玉忠，E-mail：zhangyz2004cn@163.com。

Reference：

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[6] Noraaini Alia.The formation and characterisation of an asymmetric nanofiltration membrane for ammonia–nitrogen removal: Effect of shear rate[J]. Bioresource Technology, 101 (2010) 1459–1465

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