膜科学与技术

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ClassificationCode：TQ028.8

year,volume(issue):pagination： 2020,40(2):60-66

Abstract：

This study investigated the effects of the thermal stability of the supporting ultrafiltraion membrane on the performance of the final thin-film-composite nanofiltration membrane fabricated via interfacial polyemerisation process. In this study, the thermal stability of the ultrafiltration support membrane were greatly improved by incorporating TiO2 nanoparticles. With the increasing of the TiO2 loading in the support membrane, the thermal stability of the ultrafiltration support membrane increases. The water flux of the NF membrane increases gradually from 27 L/(m2·h) for the membrane without TiO2 loading to 38 L/(m2·h) for the membrane with 8% TiO2 loading. The rejection of the NaCl increases from 48% for the membrane without TiO2 loading to 58% for the membrane with 8% TiO2 loading and the rejection of MgSO4 remains the same. These results indicate that the improvement of thermal stability of the support membrane helps enhance both the water flux and salt rejection of the final NF membrane.

Funds：

天津市自然科学基金（18JCZDJC37200）；天津科技大学校青年创新基金（2014CXLG11）；天津市海洋资源与化学重点实验室项目（201404）；教育部创新团队发展计划项目（IRT-17R81）

AuthorIntro：

第一作者简介：项军（1980-），男，湖北省荆州市人，博士，讲师，研究方向为膜科学与化工分离技术，E-mail：jxiang@tust.edu.cn

Reference：

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