Evaluation of hollow fiber T-type zeolite membrane modules for ethanol dehydration

被引：1

作者：

Xuerui Wang ^{[1
]}

Ji Jiang ^{[1
]}

Dezhong Liu ^{[1
]}

Youquan Xue ^{[1
]}

Chun Zhang ^{[1
]}

Xuehong Gu ^{[1
]}

机构：

[1] State Key Laboratory of Materials-Oriented Chemical Engineering,College of Chemistry and Chemical Engineering,The Synergetic Innovation Center for Advanced Materials,Nanjing Tech University

来源：

Chinese Journal of Chemical Engineering | 2017年 / 25卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Hollow fiber; Module; Pervaporation; T-type zeolite membrane;

D O I：

暂无

中图分类号：

TQ028.8 [新型分离法]; TQ223.122 [];

学科分类号：

0817 ; 081701 ; 081704 ;

摘要：

This work presents the design of hollow fiber T-type zeolite membrane modules with different geometric configurations. The module performances were evaluated by pervaporation dehydration of ethanol/water mixtures. Strong concentration polarization was found for the modules with big membrane bundles. The concentration polarization was enhanced at high temperature due to the higher water permeation flux. The increase of feed flow could improve water permeation flux for the membrane modules with small membrane bundle.Computational fluid dynamics was used to visualize the flow field distribution inside of the modules with different configurations. The membrane module with seven bundles exhibited highest separation efficiency due to the uniform distribution of flow rate. The packing density could be 10 times higher than that of the tubular membrane module. The hollow fiber membrane module exhibited good stability for ethanol dehydration.

引用

页码：581 / 586

页数：6

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