期刊
JOURNAL OF CHEMICAL THERMODYNAMICS
卷 39, 期 12, 页码 1578-1588出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2007.05.004
关键词
viscosity; density; excess molar volume; viscosity deviations; excess free energy of activation; water; ethanol; methanol; ethyl acetate; methyl acetate; UNIQUAC; UNIFAC-VISCO; ASOG-VISCO
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. (C) 2007 Elsevier Ltd. All rights reserved.
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