BENEFICIATION OF CHROME SLURRY TAILINGS AT DONSKOY MINING AND BENEFICIATION PLANT (DMBP) JSC TO PRODUCE HARD PELLETS
Bondarenko I. Serzhanova N. Kuldeev Y. Sadykov N. Tastanova A.
1 July 2022Faculty of Metallurgy
Metalurgija
2022#61Issue 3-4767 - 770 pp.
The article is about the problem of beneficiation of finely dispersed chromium slurry tailings of “Donskoy Mining and Beneficiation Plant” JSC by chemical and gravitation methods. Chemical destruction of chromium spinelids by sulphation with a mixture of ammonium sulphate and sulphuric acid enables to transfer a part of magnesium oxide to a water-soluble state and further gravitation beneficiation on concentration tables to obtain a fine-grained rich chromium concentrate. Silica, calcium, and iron oxide additives are used to produce pellets from the fine chrome concentrate, serving as binding agents and enabling the production of hard chrome pellets during roasting. In the future, roasted pellets will be used in the smelting of high-carbon ferrochrome in electric furnaces.
chemical beneficiation of chromite , chrome oxide , chrome pellet composition , crushing strength of pellets , slurries
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JMOB Satbayev University, Institute of Metallurgy and Ore Beneficiation, Almaty, Kazakhstan
JMOB Satbayev University
10 лет помогаем публиковать статьи Международный издатель
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