Metal leaching from low-grade raw materials in North Ossetia–Alania

The article describes the studies into recoverability of metal production potential by using raw materials which are assumed as substandard for the traditional technologies. The problem of recovery potential of the mining industries–former flagships in the mineral sector is discussed. The aim of the research is to justify the expediency of metal leaching from the substandard metal-bearing raw materials. The research uses the methods of generalization and systematization of the experience gained in metal leaching from ore and tailings, the analysis of the leaching technologies and prediction of their applicability in a specific region. The results of reform and development strategy in the region are described. It is shown that the modern ore processing technologies are unprofitable in case of raw materials with substandard content of metals. The feasibility of profitable mineral extraction by chemical oxidation and transition of metals to readily soluble compounds is validated. The figures of the advanced technologybased recovery of metals from industrial effluents in blocks and in disintegrator are given. The mixed-type technology is proposed for mineral production including high-grade ore processing on a plant scale and metal leaching from low-grade ore and from tailings in activators. The technologies of metal leaching from substandard ore and processing tailings are yet a dead area in recovery of lost potential of mining companies in the Northern Caucasus. The specifics of metal leaching from hard sulfide-bearing ore of the region and the features of the regional mineral deposits are found. The application conditions are refined for each type of leaching.

Keywords: metal, ore, deposit, potential, substandard raw material, leaching, recovery.
For citation:

Golik V. I., Alekseev I. A. Metal leaching from low-grade raw materials in North Ossetia–Alania. MIAB. Mining Inf. Anal. Bull. 2023;(5-1):135-144. [In Russ]. DOI: 10.25018/ 0236_1493_2023_51_0_135.

Acknowledgements:
Issue number: 5
Year: 2023
Page number: 135-144
ISBN: 0236-1493
UDK: 504.55.054:622(470.6)
DOI: 10.25018/0236_1493_2023_51_0_135
Article receipt date: 13.01.2023
Date of review receipt: 13.02.2023
Date of the editorial board′s decision on the article′s publishing: 10.04.2023
About authors:

V.I. Golik, Dr. Sci. (Eng.), Professor, Moscow Polytechnic University, 107023, Moscow, Russia, e-mail: v.i.golik@mail.ru,
I.A. Alekseev, Cand. Sci. (Jurid.), Assistant Professor, Professor, Rector,North Caucasian Institute of Mining and Metallurgy (State Technological University), 362021, Vladikavkaz, Russia.

 

For contacts:

V.I. Golik, e-mail: v.i.golik@mail.ru.

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