Coverter sludge dezincification by hydrometallurgical method
Narembekova А.K. Kаtrenov B.B. Zhumashev K.Z.H.
January 2022Faculty of Metallurgy
Metalurgija
2022#61Issue 1206 - 208 pp.
The article presents the results of studying the process of sludge dezincification by hydrometallurgical method: leaching of zinc from sludge with hydrochloric acid solutions. The object of the study was converter sludge with the zinc content of 1,24 %. On the basis of experimental data, the optimal conditions of sludge leaching were estab-lished: the concentration of hydrochloric acid in the solution was 15 %, the leaching time was 90 min, the liquid: solid phase L:S ratio was 6:1. The separated iron cake contained 0,43 % zinc and could be returned to the production cycle at the stage of agglomeration of iron ore raw materials.
Converter sludge , Hydrochloric acid , Hydrometallurgy , Leaching , Zinc transition into the solution
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Chemical-Metallurgical Institute, Kazakhstan
Karaganda Technical University, Karaganda, Kazakhstan
Chemical-Metallurgical Institute
Karaganda Technical University
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