Liquid–Vapor Equilibrium in a Toluene–Methanol–N-Octylquinolinium Bromide System

A. N. Evdokimov; Евдокимов А. Н.; A. V. Kurzin; Курзин А. В.; A. A. Tarazanov; Таразанов А. А.; S. O. Shornikova; Шорникова С. О.; M. A. Feofanova; Феофанова М. А.

doi:10.31857/S0044453723070087

Liquid–Vapor Equilibrium in a Toluene–Methanol–N-Octylquinolinium Bromide System

Authors: Evdokimov A.N.¹, Kurzin A.V.¹, Tarazanov A.A.¹, Shornikova S.O.¹, Feofanova M.A.²
Affiliations:
1. St. Petersburg State University of Industrial Technologies and Design
2. Tver State University
Issue: Vol 97, No 7 (2023)
Pages: 1073-1076
Section: ФИЗИЧЕСКАЯ ХИМИЯ ПРОЦЕССОВ РАЗДЕЛЕНИЯ. ХРОМАТОГРАФИЯ
Submitted: 27.02.2025
Published: 01.07.2023
URL: https://rjsvd.com/0044-4537/article/view/668711
DOI: https://doi.org/10.31857/S0044453723070087
EDN: https://elibrary.ru/SKNOJN
ID: 668711

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Abstract

The liquid–vapor equilibrium in the toluene–methanol–N-octylquinolinium bromide system has been studied at 101.3 kPa and various concentrations of the organic salt. It was shown that the quinolinium salt can be used as a separating agent for a toluene–methanol azeotrope mixture. For breaking the azeotrope and separating the mixed solvent into components, the N-octylquinolinium bromide concentration (in mole fractions) should be 0.55 or higher.

Keywords

liquid–vapor equilibrium, methanol–toluene, N-octylquinolinium bromide, azeotrope systems, extractive distillation

About the authors

A. N. Evdokimov

St. Petersburg State University of Industrial Technologies and Design

Email: eanchem@mail.ru
191186, St. Petersburg, Russia

A. V. Kurzin

St. Petersburg State University of Industrial Technologies and Design

Email: eanchem@mail.ru
191186, St. Petersburg, Russia

A. A. Tarazanov

St. Petersburg State University of Industrial Technologies and Design

Email: eanchem@mail.ru
191186, St. Petersburg, Russia

S. O. Shornikova

St. Petersburg State University of Industrial Technologies and Design

Email: eanchem@mail.ru
191186, St. Petersburg, Russia

M. A. Feofanova

Tver State University

Author for correspondence.
Email: eanchem@mail.ru
170100, Tver, Russia

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