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Separation of CO2 by 2-Amino-2-Methyl-1-Propanol Aqueous Solution in Microporous Hydrophobic Hollow Fiber Contained Liquid Membrane
1Department of Chemical Engineering, College of Engineering, Pusan National University, Pusan, Korea 2Department of Chemical and Biochemical Engineering, Toyama University, Toyama, Japan
Korean Journal of Chemical Engineering, September 1999, 16(5), 549-555(7), 10.1007/BF02708130
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Abstract
The absorption of CO2 from a mixture of CO2/N2 gas was carried out using a flat-stirred vessel and the polytetrafluoroethylene hollow fiber contained aqueous 2-amino-2-methyl-1-propanol (AMP) solution. The reaction of CO2 with AMP was confirmed to be a second order reversible reaction with fast-reaction region. The mass transfer resistance in the membrane side obtained from the comparison of the measured absorption rates of CO2 in a hollow fiber contained liquid membrane with a flat-stirred vessel corresponded to about 90% of overall-mass-transfer resistance. The mass transfer coefficient of hollow fiber phase could be evaluated, which was independent of CO2 loading.
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