Experimental research and mathematical modeling of vapor-liquid equilibrium in the ternary benzene—hexafluorobenzene—dimethyl sulfoxide system
- Authors: Zhuchkov V.I.1, Frolkova A.K.1, Nazanskiy S.L.1
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Affiliations:
- Moscow Technological University, M. V. Lomonosov Institute of Fine Chemical Technologies
- Issue: Vol 67, No 2 (2018)
- Pages: 200-205
- Section: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/242072
- DOI: https://doi.org/10.1007/s11172-018-2059-x
- ID: 242072
Cite item
Abstract
Data on vapor-liquid equilibrium in benzene—DMSO, hexafluorobenzene—DMSO, and benzene—hexafluorobenzene—DMSO systems were obtained in the full-scale experiment. The ternary system is characterized by a specific ratio of the component boiling point differences: -0.5 °С in the biazeotropic component benzene—hexafluorobenzene and more than 100°C in the zeotropic benzene—DMSO and hexafluorobenzene—DMSO constituents. The Wilson equation parameters for the systems with large boiling point differences were evaluated using two sets of experimental data. A satisfactory description of the phase equilibrium was obtained. The values of the relative volatility of the hexafluorobenzene—benzene pair indicate the selectivity of DMSO in the process of extractive distillation of a biazeotropic mixture of different composition.
About the authors
V. I. Zhuchkov
Moscow Technological University, M. V. Lomonosov Institute of Fine Chemical Technologies
Author for correspondence.
Email: v-zhuchkov@yandex.ru
Russian Federation, 78 prosp. Vernadskogo, Moscow, 119454
A. K. Frolkova
Moscow Technological University, M. V. Lomonosov Institute of Fine Chemical Technologies
Email: v-zhuchkov@yandex.ru
Russian Federation, 78 prosp. Vernadskogo, Moscow, 119454
S. L. Nazanskiy
Moscow Technological University, M. V. Lomonosov Institute of Fine Chemical Technologies
Email: v-zhuchkov@yandex.ru
Russian Federation, 78 prosp. Vernadskogo, Moscow, 119454