Bulletin of the Korean Chemical Society

  • 제31권10호
  • /
  • Pages.2797-2800
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  • 2010
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Solubility of Carbon Dioxide in Strongly Basic Ionic Liquid

  • Sung, Jun-Kyung (Climate Change Technology Research Division, Korea Institute of Energy Research) ;
  • Kim, Sung-Hyun (Department of Chemical Engineering, Korea University) ;
  • Cheong, Min-Serk (Department of Chemistry and Research Institute for Basic Sciences, Kyung Hee University) ;
  • Baek, Il-Hyun (Climate Change Technology Research Division, Korea Institute of Energy Research)
  • 투고 : 2010.06.15
  • 심사 : 2010.08.11
  • 발행 : 2010.10.20
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초록

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 $CO_2$ solubility in ionic liquids is a major concern for their application as absorbents, it is essential to focus on improving $CO_2$ absorbing capability of ILs. In this paper, strongly basic ionic liquids, namely [$C_n$-mim]OPh (n = 2, 4, 6), have been synthesized and studied over a wide range of temperature and pressure changes. [$C_n$-mim]OPh can be easily synthesized from corresponding [$C_n$-mim]Cl and sodium phenoxide and has been found to be good $CO_2$ absorbents.

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