In this study, a three-bore polyethersulfone (PES) hollow fiber ultrafiltration (UF) membrane with antibacterial properties was prepared by phase inversion, using PES as the membrane material, N,N-dimethylacetamide (DMAC) as solvent, polyvinylpyrrolidone (PVP) and CuCl2 as additives. The effect of CuCl2 content on the water flux and rejection was studied and the antibacterial properties of PES hollow fiber UF membrane were also investigated. The water flux results indicated that the hydrophilic properties of PES UF membranes were improved after adding CuCl2. The rejection of PVA-50000 was expected to drop slightly but remain high above 96%. The membranes showed good antibacterial activity against Escherichia coli (E. coli) after adding CuCl2 and the antibacterial rate of PES/CuCl2 UF membranes was close to 100% after running for 48 h. PES hollow fiber UF membranes with antibacterial properties were prepared through the formation of the water-soluble PVP/Cu2+ complex with spatial network structure, which have good antibacterial and hydrophilic properties. Therefore, this study could provide an effective method for membrane antifouling.
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Research Article|
August 01 2012
Antibacterial properties of PES/CuCl2 three-bore hollow fiber UF membrane
Jingchuan Dang;
Jingchuan Dang
1School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
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Yatao Zhang;
1School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
E-mail: zhangyatao@zzu.edu.cn
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Zhan Du;
Zhan Du
1School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
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Haoqin Zhang;
1School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
E-mail: zhanghaoqin@zzu.edu.cn
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Jindun Liu
Jindun Liu
1School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China
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Water Sci Technol (2012) 66 (4): 799–803.
Article history
Received:
November 20 2011
Accepted:
March 28 2012
Citation
Jingchuan Dang, Yatao Zhang, Zhan Du, Haoqin Zhang, Jindun Liu; Antibacterial properties of PES/CuCl2 three-bore hollow fiber UF membrane. Water Sci Technol 1 August 2012; 66 (4): 799–803. doi: https://doi.org/10.2166/wst.2012.238
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