VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation

VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation

PDMS membranes were prepared by cross-linking with vinyltriethoxysilane (VTOS) on polyacrylonitrile (PAN) substrate to increase hydrophobicity and improve pervaporation (PV) performance. It was shown that the membranes had high ethanol permselectivity and flux. The effects of cross-linking temperatu...

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Main Authors: Jin Gu, Yunxiang Bai, Lin Zhang, Lirong Deng, Chunfang Zhang, Yuping Sun, Huanlin Chen
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:International Journal of Polymer Science
Online Access:http://dx.doi.org/10.1155/2013/529474
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spelling doaj-c075d4c816c14841aca8fffdaf30b9352020-11-24T23:48:48ZengHindawi LimitedInternational Journal of Polymer Science1687-94221687-94302013-01-01201310.1155/2013/529474529474VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by PervaporationJin Gu0Yunxiang Bai1Lin Zhang2Lirong Deng3Chunfang Zhang4Yuping Sun5Huanlin Chen6The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, ChinaThe Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, ChinaDepartment of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, ChinaThe Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, ChinaThe Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, ChinaThe Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, ChinaDepartment of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310027, ChinaPDMS membranes were prepared by cross-linking with vinyltriethoxysilane (VTOS) on polyacrylonitrile (PAN) substrate to increase hydrophobicity and improve pervaporation (PV) performance. It was shown that the membranes had high ethanol permselectivity and flux. The effects of cross-linking temperature, the content of cross-linking agent, and feed temperature on PV performance of VTOS cross-linked PDMS membranes were investigated. For 6 wt% ethanol aqueous solution, the PDMS membrane had the high separation factor of 15.5 and total flux 573.3 g·m−2·h−1, respectively, when the feed temperature was 40°C, H-PDMS : VTOS : DBTDL = 1 : 0.2 : 0.02 and cross-linking temperature was 80°C.http://dx.doi.org/10.1155/2013/529474
collection DOAJ
language English
format Article
sources DOAJ
author Jin Gu
Yunxiang Bai
Lin Zhang
Lirong Deng
Chunfang Zhang
Yuping Sun
Huanlin Chen
spellingShingle Jin Gu
Yunxiang Bai
Lin Zhang
Lirong Deng
Chunfang Zhang
Yuping Sun
Huanlin Chen
VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
International Journal of Polymer Science
author_facet Jin Gu
Yunxiang Bai
Lin Zhang
Lirong Deng
Chunfang Zhang
Yuping Sun
Huanlin Chen
author_sort Jin Gu
title VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
title_short VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
title_full VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
title_fullStr VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
title_full_unstemmed VTOS Cross-Linked PDMS Membranes for Recovery of Ethanol from Aqueous Solution by Pervaporation
title_sort vtos cross-linked pdms membranes for recovery of ethanol from aqueous solution by pervaporation
publisher Hindawi Limited
series International Journal of Polymer Science
issn 1687-9422
1687-9430
publishDate 2013-01-01
description PDMS membranes were prepared by cross-linking with vinyltriethoxysilane (VTOS) on polyacrylonitrile (PAN) substrate to increase hydrophobicity and improve pervaporation (PV) performance. It was shown that the membranes had high ethanol permselectivity and flux. The effects of cross-linking temperature, the content of cross-linking agent, and feed temperature on PV performance of VTOS cross-linked PDMS membranes were investigated. For 6 wt% ethanol aqueous solution, the PDMS membrane had the high separation factor of 15.5 and total flux 573.3 g·m−2·h−1, respectively, when the feed temperature was 40°C, H-PDMS : VTOS : DBTDL = 1 : 0.2 : 0.02 and cross-linking temperature was 80°C.
url http://dx.doi.org/10.1155/2013/529474
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