Abstract
Many problems of practical interest require the knowledge of the equilibrium properties of multicomponent mixtures. With the availability of modern computers complex semiempirical models for the description of the real behavior of these mixtures became popular. These models typically require two or three parameters per binary pair of components, which have to be fitted to experimental mixture data.
Although the description of the real behavior as a function of the liquid phase composition is mostly of good accuracy, the parameters used are only valid for a limited temperature region.
This paper describes the structure of an interactive program package for the simultaneous correlation of different excess properties.
Results for the system ethanol-water are presented, which stress the importance of temperature-dependent interaction parameters.
The program-package RECVAL is directly interfaced to the Dortmund Data Bank (DDB), makes excessive use of graphics for data representation and may be extended for the correlation and prediction of pure component properties.
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Rarey-Nies, J.R., Tiltmann, D., Gmehling, J. (1988). Recommended gE-Model Parameters by Simultaneous Fitting of Different Excess Properties. In: Jochum, C., Hicks, M.G., Sunkel, J. (eds) Physical Property Prediction in Organic Chemistry. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74140-1_28
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DOI: https://doi.org/10.1007/978-3-642-74140-1_28
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