Experimental (vapour + liquid) equilibrium data and modelling for binary mixtures of decafluorobutane with propane and 1-butene - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Chemical Thermodynamics Année : 2013

Experimental (vapour + liquid) equilibrium data and modelling for binary mixtures of decafluorobutane with propane and 1-butene

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Résumé

(Vapour + liquid) equilibrium (P-x-y) data are reported at three isotherms for the (propane + decafluorobutane), and (1-butene + decafluorobutane) binary systems. The range of temperatures extended from 312.92 K to 342.94 K. An apparatus based on the "static-analytic" method, which had two electromagnetic ROLSITM samplers, for repeatable and reliable equilibrium phase sampling and handling, was used to undertake the measurements. The experimental values were correlated with the "PR-MC-NRTL-WS" model which comprised the Mathias-Copeman alpha function, Wong-Sandler mixing rule, and NRTL local composition model which were incorporated into the Peng-Robinson equation of state. Maximum pressure azeotropy is observed for both systems at all investigated temperatures. Liquid-liquid immiscibility was not observed over the range of temperatures studied.
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Dates et versions

hal-00876908 , version 1 (25-10-2013)

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Shalendra C. Subramoney, Paramespri Naidoo, Alain Valtz, Christophe Coquelet, Dominique Richon, et al.. Experimental (vapour + liquid) equilibrium data and modelling for binary mixtures of decafluorobutane with propane and 1-butene. Journal of Chemical Thermodynamics, 2013, 67, pp.134-142. ⟨10.1016/j.jct.2013.07.020⟩. ⟨hal-00876908⟩
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