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Correlation between Anions of Ionic Liquids and Reduction of Silver Ions in Facilitated Olefin Transport Membranes

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Authors
Kang, Sang Wook; Hong, Jinkee; Char, Kookheon; Kim, Jong Hak; Kim, Jungahn; Kang, Yong Soo
Issue Date
2008-10-29
Publisher
Elsevier
Citation
Desalination, 233 (2008) 327
Keywords
Ionic liquidsReductionAnionSilver ionFacilitated olefin transport
Abstract
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.
ISSN
0011-9164
Language
English
URI
http://hdl.handle.net/10371/5721
DOI
https://doi.org/10.1016/j.desal.2007.09.058

https://doi.org/10.1016/j.desal.2007.09.058
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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