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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/1488

Title: Prediction of Equilibrium Solubility of CO2 in Aqueous Alkanolamines Using Differential Evolution Algorithm
Authors: Kundu, M
Chitturi, A
Bandyopadhyay, S S
Keywords: differential evolution
simulated annealing
Issue Date: 2008
Publisher: Canadian Society for Chemical Engineering
Citation: Can. J. Chem. Eng. 86:117–126, 2008
Abstract: The design of sour-gas treating processes with alkanolamine solvents requires knowledge of the vapour–liquid equilibrium (VLE) of the aqueous acid gas–alkanolamine systems. Representation of the experimental data with a thermodynamically rigorous model is required, so that one can systematically correlate and predict the VLEs of these systems. The modified Clegg–Pitzer equations have been used to correlate and predict the VLE of CO2 in the aqueous N-methyldiethanolamine (MDEA) and 2-amino-2-methyl-1-propanol (AMP) systems. Differential evolution (DE), an evolutionary computational technique, has been used for parameter estimation of the developed VLE model in an effort to predict the VLE of CO2 in aqueous MDEA and AMP solutions with a comparable accuracy to that by using the non-traditional simulated annealing (SA) and deterministic technique like Levenberg–Marquardt (LM), if not better. In this work, the DE/rand-best/1/bin strategy has been used for finding near global minimum solut...
Description: Copyright belongs to Canadian Society for Chemical Engineering
URI: http://doi.dx.org/10.1002/cjce.20008
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