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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 10
BKCSDE 31(10)
October 20, 2010 

Solubility of Carbon Dioxide in Strongly Basic Ionic Liquid
Jun Kyung Sung, Sung Hyun Kim, Minserk Cheong*, Ilhyun Baek*
Strongly basic ionic liquid, Carbon dioxide capture, Phenolate-based ionic liquid, CO2 solubility
For the purpose of developing advanced new absorbents for carbon dioxide, ionic liquids (ILs) are considered as alternative materials due to their superior properties to conventional organic solvents. Since low CO2 solubility in ionic liquids is a major concern for their application as absorbents, it is essential to focus on improving CO2 absorbing capability of ILs. In this paper, strongly basic ionic liquids, namely [Cn-mim]OPh (n = 2, 4, 6), have been synthesized and studied over a wide range of temperature and pressure changes. [Cn-mim]OPh can be easily synthesized from corresponding [Cn-mim]Cl and sodium phenoxide and has been found to be good CO2 absorbents.
2797 - 2800
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