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Type: Artigo de periódico
Title: Prediction of electrolyte vapor-liquid equilibrium by UNIFAC-Dortmund
Author: Aznar, M.
Telles, A.S.
Abstract: The modified UNIFAC-Dortmund group contribution model is used for the correlation and prediction of salt effects in binary solvent-salt and ternary mixed solvent-salt systems. The long-range electrostatic interaction contribution, usually represented by a Debye-Hückel term, was empirically dropped. Previously published parameters for interactions between solvent groups (CH2, OH, CH3OH, H2O and CH3CO) were used, and group interactions between ions (Li+, Na+, K+, Ca+2, Cl-, Br-, NO3- and ACE-) and between ions and solvent groups have been estimated. The data base includes 29 binary and 56 ternary systems, used in part for the calculation of group interactions and in part for the testing of predictions.
Subject: thermodynamics
vapor-liquid equilibrium
Editor: Brazilian Society of Chemical Engineering
Rights: aberto
Identifier DOI: 10.1590/S0104-66322001000200001
Date Issue: 1-Jun-2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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