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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/449

Title: Solubility of CO2 in Water + Diethanolamine + 2-Amino-2-methyl-1-propanol
Authors: Kundu, Madhusree
Bandyopadhyay, S S
Keywords: Diethanolamine
liquid equilibrium
Issue Date: 2006
Publisher: American Chemical Society
Citation: J. Chem. Eng. Data 2006, 51, 398-405
Abstract: This work presents new experimental results for the CO2 solubility in aqueous blends of diethanolamine (DEA)+ 2-amino-2-methyl-1-propanol (AMP) in the temperature range of (303 to 323) K and CO2 partial pressure of (1 to 100) kPa. The mass fractions of the aqueous amine blends were 1.5 % DEA + 28.5 % AMP, 3 % DEA + 27 % AMP, 4.5 % DEA + 25.5 % AMP, and 6 % DEA + 24 % AMP. A rigorous thermodynamic model is developed to correlate and predict the vapor-liquid equilibrium (VLE) of CO2 in aqueous blends of DEA and AMP. The modified Clegg-Pitzer equations have been used to develop a model for the quaternary system (CO2 + AMP + DEA + H2O) using the interaction parameters derived from the VLE data of the corresponding ternary systems (CO2 + AMP + H2O) and (CO2 + DEA + H2O). Simulated annealing has been used for parameter estimation and for the determination of equilibrium composition of various species present in the liquid phase. The model predictions are in good agreement with the experim...
Description: Copyright for this article belongs to American Chemical Society.
URI: http://dx.doi.org/10.1021/je050311v
http://hdl.handle.net/2080/449
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