Solubility of CO2, CH4, C2H6, C2H4, O2, and N2 in 1-Hexyl-3-methylpyridinium Bis(trifluoromethylsulfonyl)imide: Comparison to Other Ionic Liquids

The solubilities of gases in ionic liquids are important in evaluating ionic liquids as solvents for reactions involving permanent gases, as gas storage media, and as solvents for gas separations. Gas solubilities are also important in developing methods to separate solutes from ionic liquid solutio...

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Bibliographic Details
Published in:Accounts of chemical research 2007-11, Vol.40 (11), p.1208-1216
Main Authors: Anderson, Jessica L, Dixon, JaNeille K, Brennecke, Joan F
Format: Article
Language:English
Subjects:
Carbon Dioxide - chemistry
Computer Simulation
Ethane - chemistry
Imides - chemistry
Ionic Liquids - chemistry
Methane - chemistry
Models, Chemical
Nitrogen - chemistry
Oxygen - chemistry
Pyridinium Compounds - chemistry
Solubility
Surface Properties
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Summary:The solubilities of gases in ionic liquids are important in evaluating ionic liquids as solvents for reactions involving permanent gases, as gas storage media, and as solvents for gas separations. Gas solubilities are also important in developing methods to separate solutes from ionic liquid solutions. Here we describe our measurements of the solubilities of CO2, CH4, C2H6, C2H4, O2, and N2 in 1-hexyl-3-methylpyridinium bis(trifluoromethylsulfonyl)imide and compare these results to our previous investigations. In addition, focus is placed on efforts to tailor ionic liquids to enhance the solubilities of some gases, with particular emphasis on carbon dioxide.
ISSN:0001-4842
1520-4898
DOI:10.1021/ar7001649