Experimental investigation of the permeability and selectivity of supported ionic liquid membranes for CO2/He separation at temperatures up to 125 °C
作者： Jeffery Ilconich , Christina Myers , Henry Pennline , David Luebke
DOI: 10.1016/J.MEMSCI.2007.03.056
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摘要: Abstract Supported liquid membranes have been prepared by impregnation of commercial porous polymer films with the ionic 1-n-hexyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide. The has characterized, and tested to determine performance in selective separation CO2 from He. Experiments were conducted a constant pressure system, pure gas permeability/selectivity data are reported. Membranes polysulfone supports found be stable 125 °C. permeability increases 744 1200 barrer as temperature 37 CO2/He selectivity decreased 8.7 3.1 over same range.
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