Grupo Especializado en Termodinámica de los Equilibrios entre Fasesenglish versionGETEF emblema


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Año 1993

  • Gonzalez, JA; de la Fuente, IG; Cobos, JC; Casanova, C; Kehianian, HV; Calorimetric and phase-equilibrium data for lienar carbonates +hydrocarbons or +CCL4 mixtures - comparison with DISQUAC predictions; Thermochim Acta, 217 1993 57-69
The DISQUAC interaction parameters for the linear organic carbonate-alkane, carbonate-cyclohexane, carbonate-benzene or -toluene, and carbonate-CCl4 contacts are revised on the basis of new experimental data on vapor-liquid equilibria for dimethyl or diethyl carbonate + n-alkane mixtures.
The new parameters differ slightly from the previous ones. The main conclusions remain valid. The quasichemical interchange coefficients for carbonate-alkane or -cyclohexane contacts, and the purely dispersive interchange coefficients for carbonate-benzene or -toluene and carbonate-CCl4 contacts, show a relatively weak steric effect. The model provides a fairly consistent description of low pressure fluid phase equilibria (vapor-liquid, liquid-liquid and solid-liquid) and related excess functions (Gibbs energy and enthalpy) using the same set of parameters.



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