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Type: Artigo de periódico
Title: Salt effect of KBr on the liquid-liquid equilibrium of the water/ethanol/1-pentanol system
Author: Santos, G.R.
d Ávila, S.G.
Aznar, M.
Abstract: Liquid-liquid equilibrium data for the water/ethanol/1-pentanol/potassium bromide systems were experimentally determined at 25° C and 40ºC. The experimental data were correlated through the NRTL and UNIFAC-Dortmund models for the activity coefficient, with the estimation of new binary interaction parameters for both models, corresponding to the salt-solvent and solvent-solvent interactions for the NRTL model and the ion-ion and solvent-ion interactions for the UNIFAC-Dortmund model. The results obtained have shown that the NRTL model was more able to represent equilibrium data for the studied systems.
Subject: Experimental
liquid-liquid equilibrium
group contribution
Editor: Brazilian Society of Chemical Engineering
Rights: aberto
Identifier DOI: 10.1590/S0104-66322000000400036
Date Issue: 1-Dec-2000
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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