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Author(s): Emilio J. González
Susana B. Bottini
Selva Pereda
Eugénia A. Macedo
Title: Liquid-liquid equilibria of binary systems {benzene+[x-Mim][NTf2] ionic liquid}: Experimental data and thermodynamic modeling using a group contribution equation of state
Issue Date: 2014
Abstract: Liquid-liquid equilibrium (LLE) data for binary mixtures {benzene (1) + ionic liquid (2)} were measuredat atmospheric pressure from 293.15K to 333.15K. The ionic liquids (ILs) studied were 1-ethyl- and1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, ([EMim][NTf2] and [HMim][NTf2]).Furthermore, the group contribution equation of state (GC-EoS) was applied to model the phasebehavior of mixtures of hydrocarbons with different members of the homologous family 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, [x-Mim][NTf2]. New pure group parameters forthe ionic liquid functional group (MimNTf2) and interaction parameters between this group and theparaffin (CH3, CH2) and aromatic (ACH) groups are reported. The GC-EOS extended with the new parameters was applied to predict LLE and VLE of binary mixtures {benzene + x-MimNTf2} and LLE of ternarysystems {n-hexane + benzene + [x-Mim][NTf2]}. The results show thatthe GC-EOS is capable of predictingthe phase behavior of this kind of mixtures with reasonable accuracy.
Subject: Ciências Tecnológicas, Ciências da engenharia e tecnologias
Technological sciences, Engineering and technology
Scientific areas: Ciências da engenharia e tecnologias
Engineering and technology
Related Information: info:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Projetos Estratégicos/PEst-C/EQB/LA0020/2013/PROJECTO ESTRATÉGICO - LA 20 - 2013-2014/LA 20
info:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Programa de Financiamento Plurianual de Unidades de I&D/PEst-C/EQB/LA0020/2011/Projeto Estratégico-LA 20 - 2011-2012/LA 20
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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