Extractive Distillation of an Ethyl Acetate–Ethanol–Water Azeotropic Mixture in the Presence of Boric Acid Amino Ester

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Abstract

The effect of boric acid amino ester, which was obtained from triethanolamine, boric acid, and triethylene glycol, on the conditions of vapor–liquid equilibrium in the ethyl acetate–ethanol and ethyl acetate–isopropanol azeotropic binary mixtures and the ethyl acetate–ethanol–water ternary mixture was studied both by experimental methods of open evaporation with a Świętosławski ebulliometer, and by modeling using the UNIFAC method. Parameters of the interaction of the CCOO group (in ethyl acetate) with the
boron group B were determined, which are absent in the literature. A process for separating the ethyl acetate–ethanol–water azeotropic mixture by extractive distillation was proposed.

About the authors

A. V. Klinov

Kazan National Research Technological University

Email: alklin@kstu.ru
Kazan, 420015 Russia

A. R. Khairullina

Kazan National Research Technological University

Email: alklin@kstu.ru
Kazan, 420015 Russia

A. V. Malygin

Kazan National Research Technological University

Email: alklin@kstu.ru
Kazan, 420015 Russia

I. M. Davletbaeva

Kazan National Research Technological University

Author for correspondence.
Email: alklin@kstu.ru
Kazan, 420015 Russia

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Copyright (c) 2023 А.В. Клинов, А.Р. Хайруллина, А.В. Малыгин, И.М. Давлетбаева

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