Simultaneous absorption of carbon dioxide,sulfur dioxide and nitrogen dioxide into aqueous 2-amino-2-methy-1-propanol |
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| Authors: | Kwang-Joong Oh Seong-Soo Kim Sang-Wook Park |
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| Affiliation: | 1.School of Civil and Environmental Engineering,Pusan National University,Busan,Korea;2.Department of Environmental Administration,Catholic University of Pusan,Busan,Korea;3.School of Chemical and Biomolecular Engineering,Pusan National University,Busan,Korea |
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| Abstract: | The absorption mechanism of three acidic gases in alkali solution, such as the system of carbon dioxide, sulfur dioxide, and
nitrogen dioxide in 2-amino-2-methyl-1-propanol (AMP), was used to predict the simultaneous absorption rates using the film
theory. Diffusivity, Henry constant and mass transfer coefficient of each gas were used to obtain the theoretical enhancement
factor of each component. The theoretical molar fluxe of each gas was obtained by an approximate solution of mass balances
with reaction regions of the first order reaction of CO2 and instantaneous reactions of SO2 and NO2 in CO2-SO2-NO2-AMP system. From the comparison between the theoretical total fluxes of these gases and the measured ones, the solubility
and the reaction rate between each gas and AMP influenced its molar flux. |
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