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Correlation of liquid-liquid equilibria in aqueous and organic systems using a modified Wilson model

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Abstract

A modified Wilson model is extended to involve three ternary parameters per ternary to allow the model to represent ternary liquid-liquid equilibria accurately. The calculated results for 19 ternary systems obtained from the present modification are compared with the previous results obtained from other modified Wilson models. The model is further extended to treat quaternary liquid-liquid equilibria for six aqueous systems and one nonaqueous system using binary, ternary, and quaternary parameters. Mutual solubilities for 19 systems over a wide temperature range are represented with the model having temperature-dependent energy parameters.

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Authors and Affiliations

  1. Department of Chemistry and Chemical Engineering, Division of Physical Sciences, Kanazawa University, 40-20, Kodatsuno 2-chome, 920, Kanazawa, Ishikawa, Japan

    Isamu Nagata, Kazuhiro Tamura & Tohru Yamada

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  1. Isamu Nagata
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  2. Kazuhiro Tamura
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  3. Tohru Yamada
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Nagata, I., Tamura, K. & Yamada, T. Correlation of liquid-liquid equilibria in aqueous and organic systems using a modified Wilson model. J Solution Chem 25, 567–587 (1996). https://doi.org/10.1007/BF00973086

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  • DOI: https://doi.org/10.1007/BF00973086

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