膜科学与技术

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The effect of hydrogen bond on nanofiltration membrane’s rejection

Authors： ZHANG Wenjuan,ZHANG Yufeng,WANG Xiang

Units： Key Laboratory of Hollow Fiber Membrane Materials & Membrane Process , Tianjin Polytechnic University , Ministry of Education , Tianjin 300160 ,China

KeyWords： nanofiltration ; hydrogen bond; rejection; charge density

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2011,31(6):56-59

Abstract：

Hydrogen bonds may form between polar organic molecules and polyamides on the surface of the nanofiltration membrane.This course is accompanied by electronic transport phenomena. As a result, electrostatic effect and charge density on the nanofiltration membrane surface get lower.And this causes rejection rates changed. The values of surface charge density with different concentration p-nitrophenol were measured to investigate the relationship between hydrogen bond and rejection. The results show that with the increase of concentration of p-nitrophenol surface charge density of the nanofiltration membrane reduced gradually and rejection got lower.

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AuthorIntro：

张文娟(1986～)，女，山东省泰安市人，硕士研究生，主要研究方向为膜材料与膜技术.E-mail：wenjuanvivian@126.com，Tel：15822677907。*通讯作者：张宇峰(1962～)，男，教授，博士生导师。E-mail：zyf9182@tjpu.edu.cn

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