Processing technology for old tin-bearing polymetallic tailings at Sherlovaya Gora GOK

The necessity of processing manmade mineral-bearing objects containing rare metals is a present-day scientific challenge. It is more efficient and advisable both economically and technologically to carry out waste processing within a cluster of mining and processing plants, and using a uniform flow chart. The aim of this study is to develop alternative variants of pyrometallurgical and hydrometallurgical processing technologies for tin-bearing polymetallic ore mining and processing waste with a view to extracting rare and associate nonferrous metals. The study object is the gravity-and-flotation tailings of tin-bearing polymetallic ore of Sherlovaya Gora deposit, and the manmade material dumped at Bolshaya Sopka open pit in Transbaikalia. The material constitutions of the old gravity-and-flotation tailings at Sherlovaya Gora concentration factory and the manmade material in the dumps at Bolshaya Sopka open pit are examined. Three alternative variants are developed for processing waste of this mining cluster with a view to extracting rare and nonferrous metals: pyro-hydrometallurgical technology with periodic leaching; two-stage hydrometallurgical technology (stage I—base flotation and hydrometallurgy; stage II—base hydrometallurgical technology with stepped recovery of metals). Recovery of rare elements Bi, Cd, Sc, In, Be, Li and Nb is implemented using local technologies at each step. Removal of arsenic involves two-step roasting: sulfidation roasting (step 1) at the temperature of 500–550 ºС at the lack of oxygen and oxidative roasting (step 2) at 600–650 ºС and at excessive oxygen flow rate of 0.25–0.3 l/min. The developed mixed-type technology can greatly reduce the environmental hazard of production waste at Sherlovaya Gora GOK.

Keywords: Sherlovaya Gora GOK, tailings storage, Bolshaya Sopka waste dumps, rare and nonferrous metals, manmade mineral deposit, reserves, alternative technologies, pyrometallurgical technology, pyro-hydrometallurgical technology, hydrometallurgical technology.
For citation:

Shumilova L. V., Khatkova A. N., Razmakhnin K. K., Prostakishin M. F. Processing technology for old tin-bearing polymetallic tailings at Sherlovaya Gora GOK. MIAB. Mining Inf. Anal. Bull. 2023;(12):152-168. [In Russ]. DOI: 10.25018/0236_1493_2023_12_ 0_152.


The study was supported by the Russian Science Foundation, Project No. 22-17-00040 Development and Scientific Substantiation of Eco-Friendly Wasteless Processing Technologies for Natural and Manmade Raw Materials, 2022–2023.

Issue number: 12
Year: 2023
Page number: 152-168
ISBN: 0236-1493
UDK: 622.7
DOI: 10.25018/0236_1493_2023_12_0_152
Article receipt date: 18.08.2023
Date of review receipt: 07.10.2023
Date of the editorial board′s decision on the article′s publishing: 10.11.2023
About authors:

L.V. Shumilova1, Dr. Sci. (Eng.), Assistant Professor, Professor, е-mail:, ORCID ID: 0000-0001-5991-9204,
A.N. Khatkova1, Dr. Sci. (Eng.), Professor, Professor, e-mail:, ORCID ID: 0000-0001-6527-0026,
K.K. Razmakhnin1, Dr. Sci. (Eng.), Assistant Professor, Assistant Professor, e-mail:, ORCID ID: 0000-0003-2944-7642,
M.F. Prostakishin1, Executor of Project No. 22-17-00040, e-mail:, 1 Transbaikal State University, 672039, Chita, Russia.


For contacts:

L.V. Shumilova, е-mail:


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