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Enhancement of Carbon Dioxide Mass Transfer Rate by (Ionic Liquid)-in-Water Emulsion
Abstract:
Effects of dispersed ionic liquid (IL) on physical absorption of CO2 in aqueous solution were investigated in the study. IL-in-water emulsion had been prepared, whose continuous phase was surfactant aqueous solution, and dispersed phase was an ionic liquid, 1-octyl-3 methyl imidazole hexafluoride phosphate. The morphololgy of dispersion had been observed by visual method. The CO2 concentrations in the bulk of the absorption solvent were calculated. Results show that the enhancement of carbon dioxide mass transfer was realized by IL-in-water emulsion. The reason for the increase of CO2 mass transfer rates by dispersed ionic liquid has been attributed to the increase of mass transfer driving force depending on shuttle effect.
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113-117
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January 2014
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