Correlation between anions of ionic liquids and reduction of silver ions in facilitated olefin transport membranes

被引：18

作者：

Kang, Sang Wook ^{[2
,3
]}

Hong, Jinkee ^{[2
,3
]}

Char, Kookheon ^{[2
,3
]}

Kim, Jong Hak ^{[4
]}

Kim, Jungahn ^{[5
,6
]}

Kang, Yong Soo ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea

[2] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151744, South Korea

[3] Seoul Natl Univ, NANO Syst Inst, NAtl Core Res Ctr, Seoul 151744, South Korea

[4] Yonsei Univ, Dept Chem Engn, Seoul 120749, South Korea

[5] Kyung Hee Univ, Dept Chem, Seoul 130701, South Korea

[6] Kyung Hee Univ, Res Inst Basic Sci, Seoul 130701, South Korea

来源：

DESALINATION | 2008年 / 233卷 / 1-3期

关键词：

Ionic liquids; Reduction; Anion; Silver ion; Facilitated olefin transport;

D O I：

10.1016/j.desal.2007.09.058

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The correlation between the anions of the ionic liquids of BMIM+BF4-, BMIM+CF3SO3- and BMIM+NO3- in poly(2-ethyl-2-oxazoline)/AgNO3 membranes and reduction of silver ions has been investigated. The anion type negligibly affected the initial separation performances, however it significantly affected the long-term operation stability. Additionally, UV and TEM confirmed the long-term operational stability was strongly associated with the reduction rate of the silver ions. The reduction rate of the silver ions in the polymer/silver salt/ionic liquid complex was observed in following order: BMIM+BF4- > BMIM+CF3SO3- > BMIM+NO3-, suggesting that among the ionic liquids investigated, BMIM+NO3- had the most improved separation performance.

引用

页码：327 / 332

页数：6

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