Measurement and correlation of liquid–liquid equilibria for ternary systems {cyclooctane + aromatic hydrocarbon + 1-ethyl-3-methylpyridinium ethylsulfate} at T = 298.15K and atmospheric pressure

• Tipo: Artigo em Revista Científica Internacional
• Data: 2010

Autores

Emilio J. González (Autor) FEUP; Noélia Calvar (Autor) FEUP; Begoña González (Autor) FEUP; Ángeles Domínguez (Autor) Outra

Revista

Título: Fluid Phase Equilibria

Vol. 291 Nº 1

Páginas: 59-65

ISSN: 0378-3812

Editora: Elsevier

Indexação

ISI Web of Science

Scopus

COMPENDEX

Classificação Científica

FOS: Ciências da engenharia e tecnologias

CORDIS: Ciências Tecnológicas

Outras Informações

DOI: 10.1016/j.fluid.2009.12.019

Abstract (EN): This work reports liquid–liquid equilibrium (LLE) results for the ternary systems {cyclooctane + benzene + 1-ethyl-3-methylpyridinium ethylsulfate}, {cyclooctane + toluene + 1-ethyl- 3-methylpyridinium ethylsulfate}, and {cyclooctane + ethylbenzene + 1-ethyl-3-methylpyridinium ethylsulfate} at T = 298.15K and under atmospheric pressure. The selectivity, percent removal of aromatic, and distribution coefficient ratio, derived from the tie-line data, were calculated to determine if this ionic liquid is a good solvent for the extraction of aromatics from cyclooctane. The phase diagrams for the ternary systems are shown, and the tie-lines correlated with the NRTL model have been compared with the experimental data. The consistency of the experimental LLE data was ascertained using the Othmer–Tobias and Hand equations. No data for mixtures presented here have been found in the literature.

Idioma: Inglês

Tipo (Avaliação Docente): Científica