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Performance of polyethersulfone ultrafiltration membranes blended with different additives

Authors： Zhao Xiang1, 2, 3, Lu Jianjiang1, Zhao Song3, Li Shanman1, Tong Yanbin1

Units： 1.School of Chemistry and Chemical Engineering, Shihezi university, Shihezi 832003,China;　2.Karamay Vocational & Technical College, Dushanzi 833699, China; 3.School of Chemical Engineering and Technology，Tianjin University，Tianjin 300072

KeyWords： polyethersulfone; ultrafiltration membrane; copolymer; polymethyl methacrylate; polyvinylpyrrolidone

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2016,36(3):33-40

Abstract：

Polyethersulphone (PES) ultrafiltration membrane was prepared through immerse precipitation phase inversion method by using PES as membrane material, N,N-Dimethylacetamide (DMAc) as solvent, polymethylmethacrylate (PMMA), polyvinylpyrrolidone (PVP-58000), triblock copolymer (Pluronic F127) and copolymer of vinyl acetate and N-vinyl pyrrolidone (P(vp-co-va)-50000) as polymer additives. The effects of the additive type on membrane performance were investigated. Results demonstrated that the modified PES ultrafiltration membrane containing 2% Pluronic F-127 showed the optimal separation performance. The pure water flux was over 578.4 L/(m2•h), which is greatly higher than that of the pristine membrane, and the BSA rejection was over 96.7%. What’s more, the hydrophilicity and antifouling of the modified membrane were improved significantly.

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AuthorIntro：

第一作者简介：赵翔（1982－），男，新疆石河子人，硕士研究生，研究方向为膜科学与技术；电子邮件：kzytw@163.com 通讯作者：电子邮件：lujianjiang_xj@163.com

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