[article]
Titre : |
Density, refraction index, and vapor–liquid equilibria of n-methyl-2-hydroxyethylammonium hexanoate plus (methyl acetate, ethyl acetate, or propyl acetate) at several temperatures |
Type de document : |
texte imprimé |
Auteurs : |
V. H. Alvarez, Auteur ; S. Mattedi, Auteur ; M. Aznar, Auteur |
Année de publication : |
2013 |
Article en page(s) : |
pp. 14543-14554 |
Note générale : |
Industrial chemistry |
Langues : |
Anglais (eng) |
Mots-clés : |
Phase equilibrium Liquid vapor Refraction index Density |
Résumé : |
This paper reports the densities, refraction indices, and vapor liquid equilibria for binary systems ester + n-methyl2-hydroxyethylammonium hexanoate (m-2-HEAH): methyl acetate (1) + m-2-HEAH (2), ethyl acetate (1) + m-2-HEAH, and propyl acetate (1) + m-2-HEAH (2). The excess molar volumes, deviations in the refraction index, apparent molar volume, and thermal expansion coefficient for the binary systems were fitted to polynomial equations. The Peng—Robinson equation of state, coupled with the Wong―Sandler mixing rule, is used to describe the experimental data. Since the predictive activity coefficient model COSMO-SAC is used in the Wong—Sandler mixing rule, the resulting thermodynamic model is a completely predictive one. The prediction results for the density and for the vapor―liquid equilibria have a deviation lower than 1.6% and 1.1%, respectively. |
ISSN : |
0888-5885 |
En ligne : |
http://cat.inist.fr/?aModele=afficheN&cpsidt=26620369 |
in Industrial & engineering chemistry research > Vol. 51 N° 44 (Novembre 2012) . - pp. 14543-14554
[article] Density, refraction index, and vapor–liquid equilibria of n-methyl-2-hydroxyethylammonium hexanoate plus (methyl acetate, ethyl acetate, or propyl acetate) at several temperatures [texte imprimé] / V. H. Alvarez, Auteur ; S. Mattedi, Auteur ; M. Aznar, Auteur . - 2013 . - pp. 14543-14554. Industrial chemistry Langues : Anglais ( eng) in Industrial & engineering chemistry research > Vol. 51 N° 44 (Novembre 2012) . - pp. 14543-14554
Mots-clés : |
Phase equilibrium Liquid vapor Refraction index Density |
Résumé : |
This paper reports the densities, refraction indices, and vapor liquid equilibria for binary systems ester + n-methyl2-hydroxyethylammonium hexanoate (m-2-HEAH): methyl acetate (1) + m-2-HEAH (2), ethyl acetate (1) + m-2-HEAH, and propyl acetate (1) + m-2-HEAH (2). The excess molar volumes, deviations in the refraction index, apparent molar volume, and thermal expansion coefficient for the binary systems were fitted to polynomial equations. The Peng—Robinson equation of state, coupled with the Wong―Sandler mixing rule, is used to describe the experimental data. Since the predictive activity coefficient model COSMO-SAC is used in the Wong—Sandler mixing rule, the resulting thermodynamic model is a completely predictive one. The prediction results for the density and for the vapor―liquid equilibria have a deviation lower than 1.6% and 1.1%, respectively. |
ISSN : |
0888-5885 |
En ligne : |
http://cat.inist.fr/?aModele=afficheN&cpsidt=26620369 |
|