PERVAPORATION SEPARATION OF ETHANOL WATER MIXTURES USING CROSS-LINKED BLENDED POLYACRYLIC-ACID (PAA) NYLON-66 MEMBRANES

被引：19

作者：

ZHAO, XP ^{[1
]}

HUANG, RYM ^{[1
]}

机构：

[1] UNIV WATERLOO,DEPT CHEM ENGN,WATERLOO N2L 3G1,ONTARIO,CANADA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1990年 / 41卷 / 9-10期

关键词：

D O I：

10.1002/app.1990.070410918

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The pervaporation separation of ethanol–water mixtures was carried out through a series of ionically crosslinked polyacrylic acid (PAA)–nylon 66 blended membranes crosslinked to varying degrees in aluminum nitrate solution. Optimum pervaporation results were obtained from crosslinked blends containing 75 wt % nylon 66 and 25 wt % PAA. The optimum crosslinking time was found to be between 30 and 40 h. The optimum operating temperatures of the pervaporation runs were found to be 2–3°C below the boiling points when the highest permeation flux reached 857.6 (g/m2 h) and the best separation factors (water/ethanol) were 10.1. Copyright © 1990 John Wiley & Sons, Inc.

引用

页码：2133 / 2145

页数：13

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