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Modeling study on CO2 and H2S simultaneous removal using MDEA solution
Tohid Nejad Ghaffar Borhani,Morteza Afkhamipour,Abbas Azarpour,Vahid Akbari,Seyed Hossein Emadi,Zainuddin A. Manan 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.34 No.-
This study presents a rate-based model of an absorber packed column for simultaneous absorptions ofacid gases into methyldiethanolamine (MDEA) aqueous solution. The model is in good agreement withexperimental data. The parametric study showed that the concentration of acid gases in the sweet gasstream increases by decrease in the specific surface area of packing. The peak of selectivity factordecreases with the increase in the mole ratio of CO2/H2S in the gas feed along the packed column. Thesensitivity analysis reveals that selecting the accurate correlations of the gas-side mass transfercoefficient and specific surface area is vital.