Isothermal vapor–liquid equilibria and excess molar enthalpy of 2-methylpyrazine (2MP) containing binary mixtures. Comparison with DISQUAC predictions

The vapour pressures of binary mixtures 2-methylpyridine with cyclohexane, n-heptane or toluene were measured by a static method in the range from 263.15 to 353.15K. The pure components vapour pressures data and those of the mixtures were correlated with the Antoine equation. The excess enthalpies w...

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Bibliographic Details
Published in:Fluid phase equilibria 2015-07, Vol.397, p.131-140
Main Authors: Ben-Makhlouf-Hakem, Hamama, Ait-Kaci, Ahmed, Jose, Jacques
Format: Article
Language:English
Subjects:
Binary mixtures
Computational fluid dynamics
Cyclohexane
Enthalpy
Excess properties
Mathematical models
Methylpyrazine
Pyrazine
Toluene
Vapor pressure
Vapour pressure
Vapour–liquid equilibria
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Summary:The vapour pressures of binary mixtures 2-methylpyridine with cyclohexane, n-heptane or toluene were measured by a static method in the range from 263.15 to 353.15K. The pure components vapour pressures data and those of the mixtures were correlated with the Antoine equation. The excess enthalpies were measured at 303.15K, by means of an isothermal calorimeter (C80 SETARAM model). The molar excess Gibbs energies, calculated from the vapour–liquid equilibrium data and the molar excess enthalpies compared satisfactorily with group contribution model (DISQUAC).
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2015.03.033