Separation of alcohol/water mixtures by pervaporation through zeolite A membranes

被引：100

作者：

Jafar, JJ ^{[1
]}

Budd, PM ^{[1
]}

机构：

[1] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England

来源：

MICROPOROUS MATERIALS | 1997年 / 12卷 / 4-6期

基金：

英国工程与自然科学研究理事会;

关键词：

composite membrane; pervaporation; synthesis; zeolite A; zirconia;

D O I：

10.1016/S0927-6513(97)00080-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Zeolite NaA membranes were prepared from homogeneous solution on macroporous zirconia composite supports in sheet and tube form. Zeolite KA membranes were obtained by ion exchange from the sodium form. The membranes were tested for the removal of water from isopropanol/water mixtures by pervaporation. Feed and permeate compositions and flux were measured for pervaporation at 25 and 70 degrees C. Both the Na and K forms of zeolite A membranes were highly selective, separation factors in excess of 10(4) being achieved at low concentrations of water in the feed. Membrane performance was not affected by heat treatments to 150 degrees C. (C) 1997 Elsevier Science B.V.

引用

页码：305 / 311

页数：7

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