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Type: Artigo de periódico
Title: An approach to calculate solid-liquid phase equilibrium for binary mixtures
Author: Rocha, SA
Guirardello, R
Abstract: An approach is presented to calculate solid-liquid phase equilibrium for binary mixtures, using expressions for the temperature as a function of the molar fraction. For Margules model the expression gives explicitly the temperature, while for other liquid phase activity models an iterative procedure is required to calculate the temperature. The method is very easy to apply and it can be used for mixtures that have peritectic and eutectic points, or just a eutectic point. The approach was applied to five case studies with binary mixtures of fatty acids and triglycerides. The results were in good agreement with experimental data. (C) 2009 Elsevier B.V. All rights reserved.
Subject: Solid-liquid equilibrium
Eutectic point
Peritectic point
Gibbs free energy minimization
Margules model
Convexity analysis
Kuhn-Tucker conditions
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.fluid.2009.03.020
Date Issue: 2009
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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