Density, dynamic viscosity, and derived properties of binary mixtures of methanol or ethanol with water, ethyl acetate, and methyl acetate at T = (293.15, 298.15, and 303.15) K

Densities and dynamic viscosities for methanol or ethanol with water, ethyl acetate, and methyl acetate at several temperatures T = (293.15, 298.15, and 303.15) K have been measured over the whole composition range and 0.1 MPa, along with the properties of the pure components. Excess molar volumes,...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 2007-12, Vol.39 (12), p.1578-1588
Main Authors: González, Begoña, Calvar, Noelia, Gómez, Elena, Domínguez, Ángeles
Format: Article
Language:English
Subjects:
ASOG-VISCO
Chemical thermodynamics
Chemistry
Density
Ethanol
Ethyl acetate
Exact sciences and technology
Excess free energy of activation
Excess molar volume
General and physical chemistry
Methanol
Methyl acetate
Mixtures
Thermodynamic properties
UNIFAC-VISCO
UNIQUAC
Viscosity
Viscosity deviations
Water
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Summary:Densities and dynamic viscosities for methanol or ethanol with water, ethyl acetate, and methyl acetate at several temperatures T = (293.15, 298.15, and 303.15) K have been measured over the whole composition range and 0.1 MPa, along with the properties of the pure components. Excess molar volumes, viscosity deviations, and excess free energy of activation for the binary systems at the above-mentioned temperatures, were calculated and fitted to the Redlich–Kister equation to determine the fitting parameters and the root-mean-square deviations. UNIQUAC equation was used to correlate the experimental viscosity data. The UNIFAC-VISCO method and ASOG-VISCO method, based on contribution groups, were used to predict the dynamic viscosities of the binary mixtures.
ISSN:0021-9614
1096-3626
DOI:10.1016/j.jct.2007.05.004