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Application of PC-SAFT equation of state in the carbon dioxide capture and the gasoline desulfurization

Abstract : The replacement of conventional organic solvents by a new generation of solvents less toxic, less flammable and less polluting is a major challenge for the chemical industry. Ionic liquids have been widely promoted as interesting substitutes for traditional solvents. The purpose of this work is to evaluate the behavior of ionic liquids in the presence of greenhouse gases (CO2, CH4 and N2O) or organic compounds. Firstly, a theoretical study presents the performance of the thermodynamic model PC-SAFT in the representation of vapor-liquid equilibrium of systems containing ionic liquids and carbon dioxide. Then, the solubility study of methane, carbon dioxide and nitrous oxide in various ionic liquids was performed at high or low pressure. The group contribution concept is proposed in this study in order to predict the Henry's law constant of carbon dioxide in ionic liquids. Finally, a study on the vapor-liquid equilibrium of binary systems encountered in gasoline desulfurization was carried out. Experimental data were used to evaluate the performance of PC-SAFT equation of state to represent phase equilibrium of systems {sulfur / aromatic compounds + ionic liquid}
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Submitted on : Thursday, March 29, 2018 - 12:40:38 PM
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  • HAL Id : tel-01750212, version 1



Yushu Chen. Application of PC-SAFT equation of state in the carbon dioxide capture and the gasoline desulfurization. Food and Nutrition. Université de Lorraine, 2013. English. ⟨NNT : 2013LORR0092⟩. ⟨tel-01750212⟩



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