Theoretical Foundations of Chemical EngineeringTheoretical Foundations of Chemical EngineeringТеоретические основы химической технологии0040-35713034-6053The Russian Academy of Sciences68650510.31857/S0040357125010037tydnjgArticlesСтатьиResearch ArticleModeling of the processing of alkanthiols into disulfides using ionic liquidsМоделирование процесса переработки алкантиолов в дисульфиды с применением ионных жидкостейShinkarE. V.ШинкарьЕ. В.
Russian Federation
elenshin@rambler.ruTishkovA. A.ТишковА. А.
Russian Federation
elenshin@rambler.ruOkhlobystinA. O.ОхлобыстинА. О.
Russian Federation
elenshin@rambler.ruBerberovaN. T.БербероваН. Т.
Russian Federation
elenshin@rambler.ruAstrakhan State Technical UniversityФГБОУ ВО “Астраханский государственный технический университет”Gazprom Pererabotka LLCЗПКТ ООО “Газпром переработка”1501202559123330107202501072025Copyright ©; 2025, Russian Academy of SciencesCopyright ©; 2025, Российская академия наук2025Russian Academy of SciencesРоссийская академия наукhttps://genescells.com/0040-3571/article/view/686505

A functional model of environmentally safe and energy-saving technology for removal of toxic alcanthiols for their processing into practically useful disulfides using ionic liquids is proposed. The process is based on mediator electrooxidation of alcanthiols removed from liquid fuels by extraction with ionic liquids. The developed method of indirect electrosynthesis of symmetrical disulfides is realized under mild conditions, in the environment of electrically conductive ionic liquids, acting as a solvent and background electrolyte. The use of mediator contributes to the increase of electrosynthesis efficiency and reduction of energy consumption for its realization in comparison with the direct electrochemical oxidative transformation of alcanthiols into disulfides.

Предложена функциональная модель экологически безопасной и энергоресурсосберегающей технологии удаления токсичных алкантиолов для переработки их в практически полезные дисульфиды с использованием ионных жидкостей. Процесс основан на медиаторном электроокислении алкантиолов, удаленных из жидкого топлива экстракцией ионными жидкостями. Разработанный метод непрямого электросинтеза симметричных дисульфидов реализуется в мягких условиях, в среде электропроводящих ионных жидкостей, выполняющих функцию растворителя и фонового электролита. Использование медиатора способствует повышению эффективности электросинтеза и снижению энергозатрат на его проведение по сравнению с прямым электрохимическим окислительным превращением алкантиолов в дисульфиды.

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