Vapour–liquid equilibria in the carbon dioxide–water system, measurement and modelling from 278.2 to 318.2K

Abstract : New experimental VLE data of CO2-water binary system are reported over a wide temperature range from 278.2 to 318.2 K and pressures up to 8 MPa. A static-analytic apparatus, taking advantage of two pneumatic capillary samplers. is used. The experimental solubility data generated in this work are in very good agreement with previous data reported in the literature. Three different models have been used to represent the new experimental VLE data. The first thermodynamic model is based on a dissymmetric approach with the Peng-Robinson equation of state including classical mixing rules for the vapour phase and a Heary's law treatment of the aqueous phase. The second and third thermodynamic models belong to phi-phi approaches: the second model uses the Peng-Robinson equation of state combined with the Wong-Sandler/Huron-Vidal mixing rules, and the third model the SAFT-VR equation of state based on a variable range square-well potential. (C) 2004 Elsevier B.V. All rights reserved.
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Article dans une revue
Fluid Phase Equilibria, Elsevier, 2004, 226, pp.333-344. 〈10.1016/j.fluid.2004.10.013〉
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https://hal.archives-ouvertes.fr/hal-01153444
Contributeur : Patrice Paricaud <>
Soumis le : mardi 19 mai 2015 - 17:40:38
Dernière modification le : mercredi 23 mai 2018 - 08:28:03

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Alain Valtz, Antonin Chapoy, Christophe Coquelet, Patrice Paricaud, Dominique Richon. Vapour–liquid equilibria in the carbon dioxide–water system, measurement and modelling from 278.2 to 318.2K. Fluid Phase Equilibria, Elsevier, 2004, 226, pp.333-344. 〈10.1016/j.fluid.2004.10.013〉. 〈hal-01153444〉

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