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Research Article Open access CC BY 4.0

Occasions and Possible Mechanisms of Mutual Acceleration and Inhibition of Joint Oxidation Reactions of Sulfide Anion and Cysteine

Sivtseva Anastasia, Lebedev Mikhail, Yakovleva Sofia, Zhilenko Marina

International Research Journal of Pure and Applied Chemistry · pp. 1–8 · Published 1 Dec 2017

10.9734/IRJPAC/2017/37881

Abstract

The model system simulating oxidation of sulfuric-alkaline drains is investigated. The mutual influence of processes of joint oxidation of sulfide-anion and cysteine, revealed strong alkaline environments both at the presence, and in the absence of the catalyst, causes occurrent synergism (non-additivity effects) in the system. The reasons of occurrence of non-additivity effects can be due to a consecutive course of sulfide-anion and cysteine oxidation in a mix and the modification of the catalyst which is shown to have a negative effect. The positive effect is caused by the influence of cystine (a product of cysteine oxidation) on the sodium sulfide oxidation.

Synergism non-additivity effects cysteine oxidation sulfide-anion oxidation bisubstrate system sulfuric-alkaline drains

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