Capture of CO2 by [bmim]PF6 Ionic Liquid under Normal Temperature and Pressure Conditions

Qiang Wei Li; Yi Zhao; Li Dong Wang

doi:10.4028/www.scientific.net/AMR.347-353.116

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Capture of CO2 by [bmim]PF6 Ionic Liquid under...

Capture of CO₂ by [bmim]PF₆ Ionic Liquid under Normal Temperature and Pressure Conditions

Abstract:

_{Subscript text}CO₂ emission control is an important issue, in which chemical absorption process has reached the widest application. Ionic liquid is a kind of green solvent and expected to take the place of traditional amine absorbents as for its better characteristics. In this paper, two iminazole base ionic liquids were synthesized, including of bromide 1-butyl-3-methylimidazo ([bmim]Br) and 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF₆). The performance of CO₂ absorption by [bmim]PF₆ and [bmim]Br were compared under the same other conditions. _{Subscript text}It indicates that [bmim]PF₆ has more absorption capacity and less saturated absorption time under low temperature, which provides reference for CO₂ control by ionic liquid.