Liquid-Phase Oxidation of Inorganic Sulfides in Aqueous Medium in the Presence of a Catalyst Based on 3,3′,5,5′-Tetra- tert -Butyl-4,4′-Stilbenequinone

H. Y. Hoang; R. M. Akhmadullin; F. Yu. Akhmadullina; R. K. Zakirov; A. G. Akhmadullina

doi:10.1134/S0023158418050075

Liquid-Phase Oxidation of Inorganic Sulfides in Aqueous Medium in the Presence of a Catalyst Based on 3,3′,5,5′-Tetra-tert-Butyl-4,4′-Stilbenequinone

Авторлар: Hoang H.Y.¹, Akhmadullin R.M.², Akhmadullina F.Y.¹, Zakirov R.K.¹, Akhmadullina A.G.²
Мекемелер:
1. Kazan National Research Technological University
2. AhmadullinS–Science and Technology
Шығарылым: Том 59, № 5 (2018)
Беттер: 557-563
Бөлім: Article
URL: https://journals.rcsi.science/0023-1584/article/view/163988
DOI: https://doi.org/10.1134/S0023158418050075
ID: 163988

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Аннотация

The kinetics of liquid-phase oxidation by oxygen from sodium sulfide was studied in an aqueous medium in the presence of a catalyst based on 3,3′,5,5′-tetra-tert-butyl-4,4′-stilbenequinone dissolved in kerosene fraction. It was found that 3,3′,5,5′-tetra-tert-butyl-4,4′-stilbenequinone selectively oxidizes sodium sulfide to sodium thiosulfate. The reaction orders in sodium sulfide, oxygen, and the catalyst were determined. The reaction mechanism was proposed.