A model-free approach data treatment of vapor-liquid equilibrium data in ternary systems. 2. Applications

Elizabeth Lam; Andrés Mejía; Hugo Segura; Jaime Wisniak; Sonia Loras

doi:10.1021/ie000753u

A model-free approach data treatment of vapor-liquid equilibrium data in ternary systems. 2. Applications

Elizabeth Lam, Andrés Mejía, Hugo Segura, Jaime Wisniak, Sonia Loras

Department of Chemical Engineering

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

16 Scopus citations

Abstract

In the first part of this work, a model-free technique for treating ternary systems was presented. The procedure avoids the use of empirical activity coefficient models by generating numerically vapor-phase concentrations, activity coefficients, and excess Gibbs energy values directly from [T, P, x] data. Here we illustrate the use of the method as a complementary tool for modeling and assessing multicomponent vapor-liquid equilibrium data. Guidelines are given for fitting bubble surfaces and for treating azeotropic systems. In addition, reasonable approximations are outlined for handling ternary systems for which excess volume or enthalpy data are not available. Examples are presented for experimental isothermal and isobaric systems.

Original language	English
Pages (from-to)	2149-2159
Number of pages	11
Journal	Industrial and Engineering Chemistry Research
Volume	40
Issue number	9
DOIs	https://doi.org/10.1021/ie000753u
State	Published - 2 May 2001

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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AU - Loras, Sonia

PY - 2001/5/2

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A model-free approach data treatment of vapor-liquid equilibrium data in ternary systems. 2. Applications

Abstract

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