Facilitated transport separation of benzene and cyclohexane with poly(vinyl alcohol)-AgNO3 membranes

被引：41
|
作者：
Bryant, DL
Noble, RD
Koval, CA
机构：
[1] UNIV COLORADO,DEPT CHEM & BIOCHEM,BOULDER,CO 80309
[2] UNIV COLORADO,DEPT CHEM ENGN,BOULDER,CO 80309
来源：
JOURNAL OF MEMBRANE SCIENCE | 1997年 / 127卷 / 02期
基金：
美国国家科学基金会;
关键词：
facilitated transport; organic separations;
D O I：
10.1016/S0376-7388(96)00267-0
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Facilitated transport membranes of poly(vinyl alcohol) containing Ag(I) ions as the carrier were prepared and characterized using ultraviolet-visible spectroscopy (W-Vis), elemental analysis (ICP-AE), scanning electron microscopy (SEM), and SEM(EDXR). Transport experiments were performed using benzene/cyclohexane feed mixtures having volume ratios of 8/2 and 2/8 (v/v). Permeation rates for benzene ranged 0.5-5.5 kg mu m m(-2) h(-1) and benzene/cyclohexane selectivities ranged 51-84, Effects on membrane performance of Ag(I) content, counter ion used, hydration, and degree of cross-linking were investigated.
引用
收藏
页码：161 / 170
页数：10
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