Interphase Distribution of Thiophene, Toluene, and o-Xylene in the Hexane–Polymer–Water Extraction System


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Abstract

The extraction of sulfur-containing and aromatic compounds from light hydrocarbons using water-soluble polymers has been studied experimentally and theoretically. During experimental studies, the extraction of thiophene, toluene, and o-xylene from n-hexane using extraction systems based on polyethylene glycols with different molecular weights, polypropylene glycol 425, and polyvinylpyrrolidone 3500 has been investigated. Based on mathematical modeling, the dependences of distribution coefficients for toluene and o-xylene on the concentration of the polymer using an extraction system based on polyethylene glycol 400 have been derived. The results of this study can be used in the development of new extraction processes for purifying light hydrocarbon fractions from sulfur-containing and aromatic compounds.

About the authors

Yu. A. Zakhodyaeva

MIREA – Russian Technological University; Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: yz@igic.ras.ru
Russian Federation, Moscow, 119454; Moscow, 119991

V. O. Solov’ev

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: yz@igic.ras.ru
Russian Federation, Moscow, 119991

I. V. Zinov’eva

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: yz@igic.ras.ru
Russian Federation, Moscow, 119991

D. G. Rudakov

MIREA – Russian Technological University

Email: yz@igic.ras.ru
Russian Federation, Moscow, 119454

A. V. Timoshenko

MIREA – Russian Technological University

Email: yz@igic.ras.ru
Russian Federation, Moscow, 119454

A. A. Voshkin

MIREA – Russian Technological University; Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: yz@igic.ras.ru
Russian Federation, Moscow, 119454; Moscow, 119991

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