Liquid−Liquid Phase Equilibrium in Glycerol−Methanol−Methyl Oleate and Glycerol−Monoolein−Methyl Oleate Ternary Systems

In the present work, the liquid−liquid phase equilibrium data for the glycerol−methanol−methyl oleate and glycerol−monoolein−methyl oleate ternary systems were determined experimentally and compared with predictions of the UNIFAC and UNIFAC-Dortmund models. Liquid two-phase multicomponent systems co...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2006-05, Vol.45 (10), p.3693-3696
Main Authors: Negi, Devender S, Sobotka, Felix, Kimmel, Tobias, Wozny, Günter, Schomäcker, Reinhard
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
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Summary:In the present work, the liquid−liquid phase equilibrium data for the glycerol−methanol−methyl oleate and glycerol−monoolein−methyl oleate ternary systems were determined experimentally and compared with predictions of the UNIFAC and UNIFAC-Dortmund models. Liquid two-phase multicomponent systems consisting mainly of these chemical species are found in some industrially important transesterification reactions. For the glycerol−methanol−methyl oleate ternary system at 60 °C, the predictions of UNIFAC and UNIFAC-Dortmund are in good agreement with the experimental results. For the ternary glycerol−monoolein−methyl oleate system at 135 °C, the predictions of UNIFAC and UNIFAC-Dortmund deviate significantly from the experimental data and are only qualitatively correct. The reliability of the experimental data was determined through Othmer−Tobias plots.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie051271r