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
收藏
页码：327 / 332
页数：6
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