Liquid–Liquid Equilibria of the Ternary System Water + Acrylic Acid + 4-Methyl-2-pentanone at 298.15 K
- Gláucia Maria F. Pinto
- ,
- Alex B. Machado
- ,
- Yurany Camacho Ardila
- ,
- Martín Aznar
- , and
- Maria Regina Wolf-Maciel
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School of Chemical Engineering, State University of Campinas, UNICAMP, P.O. Box 6066, 13083-970, Campinas-SP, Brazil
* To whom all correspondence should be addressed. E-mail: [email protected]
Abstract
In this work, experimental liquid–liquid equilibrium data for the ternary system water + acrylic acid + 4-methyl-2-pentanone were determined at 298.15 K and atmospheric pressure. The experimental data were also compared with the values correlated by the NRTL and UNIQUAC models. Good quantitative agreement was obtained with these models. In general, the average deviations from the NRTL model are slightly greater than those from the UNIQUAC model. The reliability of the experimental tie-line data was confirmed by using the Othmer−Tobias correlation. Distribution coefficients and selectivity were evaluated for the immiscibility region.
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This article is cited by 6 publications.
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