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Solubility of room-temperature ionic liquid in supercritical CO2 with and without organic compounds
Weize Wu1, Jianmin Zhang, Buxing Han
1Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China.
Chemical Communications (Cambridge, England)
|July 5, 2003
Abstract:
Ionic liquid can dramatically dissolve in supercritical (sc) CO2 with polar organic compounds (ethanol, acetone) especially as the concentration of the compounds in scCO2 exceeds 10 mol%, while the effect of a nonpolar organic compound (n-hexane) in scCO2 on the solubility is very limited even when its concentration is as high as 30 mol%.