Vapor-Liquid Equilibrium for the Carbon Dioxide + n-Hexane + Decane Ternary System From 313 to 373 K

Abstract

Petrochemical and chemical industries, equations of state are used to correlate and predict phase equilibria of multicomponent systems. The successful of these calculations depend on binary interaction parameters. Unfortunately scarce experimental data are available for multicomponent systems. Therefore, as approximation, Data from phase equilibria of binary systems could be a good source to predict this behavior for systems with three or more components. The present work is aimed to determine the vapor-liquid equilibria (VLE) for the carbon dioxide + n-hexane + decane from 313 to 373 K. Experimental measurements were performed in a static-analytic method. Experimental (VLE) results were correlated with the Peng-Robinson equation of state coupled to the classical mixing rule. Binary interaction parameters were taken from VLE data reported in the literature.

References:

1) R. Jimenez-Gallegos, L. A. Galicia Luna, O. Elizalde- Solis, J. Chem. Eng. Data 51 (2006) 1624-1628.

2) L.A. Galicia – Luna, A. Ortega – Rodríguez, J. Chem Eng. Data 45 (2000) 265-271.