Correlation and Prediction of Acid Gases Solubility in Various Aqueous Alkanolamine Solutions Using Electrolyte Cubic Square-Well Equation of State
Publish place: Gas Processing، Vol: 3، Issue: 2
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_GPJU-3-2_007
تاریخ نمایه سازی: 21 دی 1400
Abstract:
The object of this work is solubility correlation and prediction of CO۲ and H۲S in various aqueous alkanolamines using the electrolyte cubic square-well equation of state (eCSW EoS) (Haghtalab, A.,Mazloumi, S. H., (۲۰۱۰), Electrolyte Cubic Square-Well Equation of State for Computation of the Solubility CO۲ and H۲S in Aqueous MDEA Solutions, Ind. Eng. Chem. Res.,۴۹,۶۲۲۱-۶۲۳). The eEoS systematically is applied to describe the solubility of acid gases in various alkanolamine solutions, including MDEA, MEA, DEA, AMP, DIPA, TEA, DGA and PZ.In calculations of chemical equilibrium all of the molecular and ionic species have been taken in to account. Also, in order to improve the modeling, the N۲O analogy method was used to calculate the molecular interaction parameters in binary acid gas and alkanolamine solutions. The results of the method are in good agreements with experiments. To investigate the accuracy of the modeling, the simultaneous solubility of mixed CO۲ and H۲S in aqueous MEA, DEA, MDEA, TEA and AMP solutions are also predicted. Acceptable results were achieved for the quaternary systems. In this work, over ۳۰۰۰ experimental data points were used in order to correlate and predict the solubility ofCO۲ and H۲Sin the various alkanolamine solutions.
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Authors
Masoudi Jafari Golnesae
Department of Chemical Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran
Seyed Hossein Mazloumi
Chemical Engineering Department, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
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