Water vapor permeation and compressed air dehydration performances of modified polyimide membrane

被引：29

作者：

Li, Guo Min ^{[1
]}

Feng, Chunsheng ^{[2
]}

Li, Jun Feng ^{[1
]}

Liu, Jing Zhi ^{[1
]}

Wu, Yong Lie ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Jilin, Peoples R China

[2] Nanyang Technol Univ, Inst Environm Sci & Engn, Innovat Ctr, Singapore 637723, Singapore

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2008年 / 60卷 / 03期

关键词：

water vapor; sorption permeation; air dehydration; modified membrane; polymide;

D O I：

10.1016/j.seppur.2007.05.007

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this paper, modification of polyimide hollow fiber membrane was carried out by introduction of tetrabutylammonium naphthatenesulfonate (BAN) into the membrane matrix. Permeation performance of modified hollow fibers was investigated helps to compressed air dehydration ability across the membrane. The experimental results showed that water sorption and water vapor permeability obviously increase with increase on BAN content in modified membranes, and air dehydration performance was improved by increasing BAN in membrane and ratio of sweeping gas. Moreover, operational pressure and feed flux also impose on important effect on compressed air dehydration capability. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：330 / 334

页数：5

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