Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions

Claudio A. Faúndez; José O. Valderrama

doi:10.1016/S1004-9541(08)60203-7

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Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions

Updated：2026-01-06

- Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions
- Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions
- 中国化学工程学报（英文版） 2009年17卷第2期页码：259-267
- Affiliations：
  
  1. Universidad de Concepción, Fac.de Cs.Físicas y Matemáticas, Casilla 160-C, Concepción,Chile
  2. Universidad de La Serena, Fac.de Ingeniería, Casilla 554, La Serena,Chile
  3. Centro de Información Tecnológica (CIT), Casilla 724, La Serena,Chile
- Author bio：
- Funds：
  
  Supported by the Direction of Research of the University of La Serena-Chile (220-2-05 and 220-2-21);the National Council for Scientific and Technological Research,CONICYT (FONDECYT 3020020)
- DOI：10.1016/S1004-9541(08)60203-7
  中图分类号：
- 纸质出版：2009
- Accepted：
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Claudio A. Faúndez, José O. Valderrama. Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions[J]. 中国化学工程学报（英文版）, 2009,17(2):259-267.

Claudio A. Faúndez, JosóO. Valderrama. Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions[J]. , 2009, 17(2): 259-267.
Claudio A. Faúndez, José O. Valderrama. Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions[J]. 中国化学工程学报（英文版）, 2009,17(2):259-267. DOI： 10.1016/S1004-9541(08)60203-7.

Claudio A. Faúndez, JosóO. Valderrama. Activity Coefficient Models to Describe Vapor-Liquid Equilibrium in Ternary Hydro-Alcoholic Solutions[J]. , 2009, 17(2): 259-267. DOI： 10.1016/S1004-9541(08)60203-7.

摘要

Abstract

In this study

three semipredictive activity coefficient models:Wilson

non-random-two liquid model(NRTL)

and universal quasi-chemical model(UNIQUAC)

have been used for modeling vapor-liquid equilibrium properties of ternary mixtures that include substances found in alcoholic distillation processes of wine and musts.In particular

vapor-liquid equilibrium in ternary mixtures containing water+ethanol+congener has been modeled using parameters obtained from binary and ternary mixture data.The congeners are substances that although present in very low concentrations

of the order of part per million

are important enological parameters.The results given by these different models have been compared with literature data and conclusions about the accuracy of the models studied are drawn

recommending the best models for correlating and predicting phase equilibrium properties of this type of mixtures.

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