METALLURGY AND MINERAL PROCESSING
Svetlana Pozhidaeva, Candidate of Chemical Sciences, Associate Professor, South-West State University, Kursk, Russia;
Liliya Ageeva, Postgraduate Student, South-West State University, Kursk, Russia;
Anatoly Ivanov, Candidate of Chemical Sciences, Professor, South-West State University, Kursk, Russia.
Abstract
The paper analyses the parameters of deep oxidation of zinc and tin by copper (II) compounds and molecular iodine in the presence of molecular oxygen and hydrogen peroxide, as second oxidizers working synchronously with them in various media (aqueous, aqueous-organic and organic) with the participation of mineral and carboxylic acids close to room temperature. The contribution of the reactivity of the metal to its rate of consumption, especially the average, is often much less than the contribution associated with the release characteristics of the working surface, determined by the rates of accumulation of surface deposits of metal oxidation products, their strength and adhesion characteristics their destruction and shifting into the bulk phase.
Keywords: zinc; tin; oxidation; process characteristics; comparison; reactivity; manifestation; surface blocking; transformation products; reasons for commensurate speeds
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Scientifiс periodical «Zapiski Gornogo Instituta / Journal of Mining Institute» has been published since 1907 as a periodical scientific and scientific-educational edition in Saint-Petersburg Mining University. The periodicity of publishing is 6 volumes per year.
