Pervaporation Dehydration of Aqueous Ethanol Solution with Zeolite-filled Poly (vinyl alcohol) Composite Membranes

被引：1
|
作者：
Huang Zhen [1 ,2 ]
Guo Yu Hua [2 ]
Guo Gui Mei [2 ]
Teng Li-Jun [2 ]
机构：
[1] Tianjin Univ Commerce, Tianjin Key Lab Refrigerat Technol, Tianjin 300134, Peoples R China
[2] Tianjin Univ Commerce, Dept Packaging Engn, Tianjin 300134, Peoples R China
来源：
ADVANCED MATERIALS, PTS 1-4 | 2011年 / 239-242卷
关键词：
Ethanol dehydration; pervaporation; zeolite pore size; composite membrane; PDMS-MEMBRANES; SEPARATION; MIXTURES;
D O I：
10.4028/www.scientific.net/AMR.239-242.1331
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Pervaporation performances of three -layer zeolite-filled poly (vinyl alcohol) composite membranes have been investigated for ethanol dehydration. Compared the neat polymer counterparts, high separation factor and high fluxes are both achieved by these membranes, indicating that ethanol/water separation is enhanced with the zeolites. Zeolites used include 3A, 4A, 5A, NaX, NaY, silicalite-1 and Beta. Through evaluating separation factor, ethanol flux and total pervaporation flux, separation performances of composite membranes are elucidated in detail in terms of the zeolite pore size, its hydrophilic/hydrophobic nature as well as its crystal framework.
引用
收藏
页码：1331 / +
页数：2
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