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Vapor-liquid-liquid equilibria for aqueous systems with methyl acetate, methyl propionate, and methanol / Cheng-Ting Hsieh in Industrial & engineering chemistry research, Vol. 47 N°20 (Octobre 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 N°20 (Octobre 2008) . - P. 7927-7933 Titre : Vapor-liquid-liquid equilibria for aqueous systems with methyl acetate, methyl propionate, and methanol Type de document : texte imprimé Auteurs : Cheng-Ting Hsieh, Auteur ; Ming-Jer Lee, Auteur ; Ho-mu Lin, Auteur Année de publication : 2008 Article en page(s) : P. 7927-7933 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Vapor−liquid−liquid  equilibrium  (VLLE)  Aqueous  Systems Résumé : Vapor−liquid−liquid equilibrium (VLLE) properties were measured with a static apparatus for mixtures of water + methyl acetate, water + methyl propionate, water + methyl acetate + methanol, and water + methyl propionate + methanol at temperatures ranging from 313.24 to 348.15 K. Both ternary systems exhibit type I liquid−liquid equilibrium (LLE) behavior. By checking with the Othmer−Tobias equation, the experimental tie-line data of these two ternary systems appeared to be consistent. The binary VLLE data were correlated satisfactorily with the UNIQUAC model for water + methyl acetate and water + methyl propionate. While the UNIQUAC model with the parameters determined from the phase equilibrium data of the constituent binaries overestimated the two-liquid-phase regions of the ternary systems, the representation of the binodal loci was substantially improved as the six parameters of the UNIQUAC model were determined simultaneously from the ternary VLLE data. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800840r [article] Vapor-liquid-liquid equilibria for aqueous systems with methyl acetate, methyl propionate, and methanol [texte imprimé] / Cheng-Ting Hsieh, Auteur ; Ming-Jer Lee, Auteur ; Ho-mu Lin, Auteur . - 2008 . - P. 7927-7933. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N°20 (Octobre 2008) . - P. 7927-7933 Mots-clés : Vapor−liquid−liquid  equilibrium  (VLLE)  Aqueous  Systems Résumé : Vapor−liquid−liquid equilibrium (VLLE) properties were measured with a static apparatus for mixtures of water + methyl acetate, water + methyl propionate, water + methyl acetate + methanol, and water + methyl propionate + methanol at temperatures ranging from 313.24 to 348.15 K. Both ternary systems exhibit type I liquid−liquid equilibrium (LLE) behavior. By checking with the Othmer−Tobias equation, the experimental tie-line data of these two ternary systems appeared to be consistent. The binary VLLE data were correlated satisfactorily with the UNIQUAC model for water + methyl acetate and water + methyl propionate. While the UNIQUAC model with the parameters determined from the phase equilibrium data of the constituent binaries overestimated the two-liquid-phase regions of the ternary systems, the representation of the binodal loci was substantially improved as the six parameters of the UNIQUAC model were determined simultaneously from the ternary VLLE data. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800840r