Phase Equilibrium of Binary Mixtures of n-Hexane + Branched Chlorobutanes: Experimental Results and Group Contribution PredictionsClick to copy article linkArticle link copied!
Abstract
In this work the study of the phase equilibrium (experimental and modeled) of three binary mixtures formed by n-hexane and a branched chlorobutane (2-chlorobutane, 1-chloro-2-methylpropane, or 2-chloro-2-methylpropane) is presented. New and consistent experimental vapor–liquid equilibrium data at isothermal conditions T = (288.15, 298.15, and 308.15) K have been obtained and correlated using the Wilson equation. In addition, two group contribution models, modified-UNIFAC (universal functional activity coefficient) and VTPR (volume-translated Peng–Robinson), have been used to predict the vapor–liquid equilibrium of the mixtures. The agreement between experimental results and predicted ones is not satisfactory.
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- J. Benito, H. Guerrero, H. Artigas, M.C. López, C. Lafuente. Refractive indices and static permittivities of systems containing n-hexane or n-heptane and isomeric chlorobutanes. The Journal of Chemical Thermodynamics 2015, 86 , 162-167. https://doi.org/10.1016/j.jct.2015.03.001
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