Study of liquid–liquid equilibrium of the systems isobutyl acetate + acetic acid + water and isobutyl alcohol + acetic acid + water at different temperatures

In this work, experimental liquid–liquid equilibria (LLE) data of the systems isobutyl acetate + acetic acid + water and isobutyl alcohol + acetic acid + water are presented. The liquid–liquid equilibria of both systems have been measured at 283.15 and 323.15 K. The NRTL and UNIQUAC models were appl...

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Bibliographic Details
Published in:Fluid phase equilibria 2008-10, Vol.271 (1), p.76-81
Main Authors: Cháfer, A., Lladosa, E., de la Torre, J., Burguet, M.C.
Format: Article
Language:English
Subjects:
Acetic acid
Chemistry
Exact sciences and technology
General and physical chemistry
Isobutyl acetate
Isobutyl alcohol
Liquid-liquid equilibria
NRTL
Phase equilibria
UNIFAC
UNIQUAC
Water
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Summary:In this work, experimental liquid–liquid equilibria (LLE) data of the systems isobutyl acetate + acetic acid + water and isobutyl alcohol + acetic acid + water are presented. The liquid–liquid equilibria of both systems have been measured at 283.15 and 323.15 K. The NRTL and UNIQUAC models were applied to fit the data for both ternary systems. The interaction parameters obtained from both models successfully correlated the equilibrium compositions. The experimental tie lines were compared to the values predicted by the UNIFAC method. Moreover, the solvent capabilities of isobutyl acetate and isobutyl alcohol were compared.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2008.07.001