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Type: Artigo de periódico
Title: Liquid-liquid Equilibria For Quaternary Mixtures Of Nonane + Undecane + (benzene Or Toluene Or M-xylene) + Sulfolane At 298.15 And 313.15 K
Author: Santiago R.S.
Aznar M.
Abstract: Liquid-liquid equilibrium (LLE) data were measured for three quaternary systems containing sulfolane, nonane + undecane + benzene + sulfolane, nonane + undecane + toluene + sulfolane and nonane + undecane + m-xylene + sulfolane, at T = 298.15 and 313.15 K and ambient pressure. The experimental quaternary liquid-liquid equilibrium data have been satisfactorily represented by using NRTL and UNIFAC-LLE models for the activity coefficient. The calculated compositions based on the NRTL model were found to in a better agreement with the experiment than those based on the UNIFAC-LLE model. © 2007 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.fluid.2007.02.005
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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