Study of Osmium Leaching Conditions from Copper Production Lead Cakes
Mazulevsky E.A. Kovzalenko T.V. Seidakhmetova N.M.
May 2022Springer
Metallurgist
2022#66Issue 1-245 - 52 pp.
Research is conducted to determine the effect of production parameters on osmium extraction during leaching roasting cinders containing osmium and rhenium from copper production cakes with water, hydrogen peroxide and various oxidizing agents. The main goal is to maximize osmium extraction into the gas phase for subsequent conversion into osmium sulfide. Material leaching is performed within a unit assembled for this purpose. During leaching osmium is distributed among the leaching products: gas phase, leaching solutions, and leaching cakes. Results of the work and their novelty: the effect of temperature and duration on the extraction of osmium during water leaching of cinder is studied. The activity of 11 oxidizing agents during cinder leaching is investigated; an oxidizing agent close to the optimum is selected for transferring osmium tetroxide into the gas phase and its absorption by sodium alkali. Oxidizing agent consumption during cinder leaching in various regimes is determined.
absorber , cinder , leaching , leaching solution , osmium , osmium- and rhenium-containing cakes
Text of the article Перейти на текст статьи
RGP National Centre for Comprehensive Processing of Kazakhstan Republic Mineral Raw Material, Almaty, Kazakhstan
RGP National Centre for Comprehensive Processing of Kazakhstan Republic Mineral Raw Material
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026