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  Global Journal of Physical Chemistry. Volume 2, Issue 4 (2011) pp. 324-337
  Review Article
 
Solubility of gases in ionic liquids
  María Dolores Bermejo*, Ángel Martín  
     
High Pressure Processes Group, Department of Chemical Engineering and Environmental Technology, University of Valladolid, Prado de la Magdalena s/n 47011 Valladolid, Spain
   
  Abstract  
  The special properties of ionic liquids make them interesting for a number of applications, of which some of them related to the solubility of gases. Ionic liquids are not volatile and most of them cannot dissolve in most of the gases, but gases such as carbon dioxide and sulphur dioxide dissolve in high extent in ionic liquids while other gases such as hydrogen and oxygen present a smaller solubility. Applications related to gas separation and storing, use as absorbents in refrigerating absorption cycles and use in separation and reaction process assisted with supercritical CO2 have been described. The solubility of gases in ionic liquids has been intensely studied and a number of themodynamical models have been developed to predict gas solubilities in ionic liquids.
     
  Keywords  
  Thermodynamic modeling; Equation of State; Supercritical CO2; Gas separation; Absorption refrigeration; Miscibility switch  
     
   
   
   
   
     

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