Estimation of Wilson parameters from solubility parameters and molar volumes

Shigetoshi Kobuchi; Kenji Ishige; Setsuko Yonezawa; Kenji Fukuchi; Yasuhiko Arai

doi:10.1252/kakoronbunshu.37.1

Estimation of Wilson parameters from solubility parameters and molar volumes

Shigetoshi Kobuchi, Kenji Ishige, Setsuko Yonezawa, Kenji Fukuchi, Yasuhiko Arai

Molecular and Biochemical Systems Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Wilson parameters were estimated from solubility parameters and molar volumes. Namely, the interaction parameters due to attractive forces were evaluated from the solubility parameters and molar volumes predicted by the group contribution method of Fedors. The vapor-liquid equilibria (VLE) of typical polar mixtures such as ethanol + hydrocarbon systems were correlated by use of these Wilson parameters, in which the interaction parameters between unlike pairs were adopted. The interaction parameters were determined by using VLE data and were correlated with the difference in cohesive energy densities of the two pure components.

Original language	English
Pages (from-to)	1-3
Number of pages	3
Journal	kagaku kogaku ronbunshu
Volume	37
Issue number	1
DOIs	https://doi.org/10.1252/kakoronbunshu.37.1
Publication status	Published - 2011

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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10.1252/kakoronbunshu.37.1

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author = "Shigetoshi Kobuchi and Kenji Ishige and Setsuko Yonezawa and Kenji Fukuchi and Yasuhiko Arai",

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AU - Ishige, Kenji

AU - Yonezawa, Setsuko

AU - Fukuchi, Kenji

AU - Arai, Yasuhiko

PY - 2011

Y1 - 2011

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AB - Wilson parameters were estimated from solubility parameters and molar volumes. Namely, the interaction parameters due to attractive forces were evaluated from the solubility parameters and molar volumes predicted by the group contribution method of Fedors. The vapor-liquid equilibria (VLE) of typical polar mixtures such as ethanol + hydrocarbon systems were correlated by use of these Wilson parameters, in which the interaction parameters between unlike pairs were adopted. The interaction parameters were determined by using VLE data and were correlated with the difference in cohesive energy densities of the two pure components.

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Estimation of Wilson parameters from solubility parameters and molar volumes

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