THERMODYNAMICS OF ALKANOLAMINE+WATER SYSTEM |
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| Authors: | Madhusree Kundu S. S. Bandyopadhyay |
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| Affiliation: | a Department of Chemical Engineering, Birla Institute of Technology and Science (BITS), Pilani, Rajasthan, Indiab Separation Science Laboratory, Cryogenic Engineering Centre IIT, Kharagpur, India |
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| Abstract: | Design of gas treating processes requires knowledge of the vapor-liquid equilibrium behavior of the (acid gas + aqueous alkanolamine) system. The present study is focused on thermodynamics and associated nonideal behavior of binary MEA + H2O, DEA + H2O, and MDEA + H2O systems, which is required to predict the vapor-liquid equilibrium of acid gases such as CO2 and H2S over aqueous alkanolamine solutions. Determination of binary interaction parameters and analytical prediction of infinite dilution activity coefficient, heats of solution at infinite dilution, the excess Gibbs free energy, and excess enthalpy for nonideal alkanolamine-water systems are the objectives of this study. |
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| Keywords: | Activity coefficient Alkanolamine CO2 Infinite dilution MDEA |
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