Selection of disintegrator parameters toward environmentally friendly leaching of metals

The mining industries of technologically developed countries solve the problem connected with utilization of raw materials extracted from the subsoil by metal leaching in high-speed disintegrator mills, where new technological processes take place under appropriate conditions. The purpose of the study is to prove feasibility of combining mechanical activation of leaching with activation by chemical reagents. The advance of the mechanochemical technology can be facilitated by the development of a mathematical model and a software for processes in activators of an optimized design, as well as by finding the detailed methods for determining the environmental and economic effect, and other factors. The methods for studying the phenomenon of changes in the state of matter in a disintegrator include experiments and critical analysis of the processes of the new technology, with their indicators compared with a set of indicators of the traditional agitated leaching technology. The quantitative indicators of the phenomenon of changes in the state of matter during processing at a rotation speed of the working body more than 250 m/s are obtained. The proposed disintegrator design involves combining mechanochemical leaching processes with temperature effects. A basis is obtained for the multifactorial assessment of alternative technologies, for example, activation of concrete during excavation of a mine shaft. An economic and mathematical model for determining profits gained from treatment of mineral processing tailings and metallurgical waste is proposed. Activation of leaching processes in high-speed disintegrator-type mills makes it possible to extract earlier lost metals and to increase activity of utilized substances.

Bryukhanova N. N., Gladkikh V. A., Kononenko R. V., Gerasidi V. V., Martyushev N. V. Selection of disintegrator parameters toward environmentally friendly leaching of metals. MIAB. Mining Inf. Anal. Bull. 2024;(12):39-49. DOI: 10.25018/0236_1493_2024_ 12_0_39.

N.N. Bryukhanova, Cand. Sci. (Geol. Mineral.), Senior Researcher, A.P. Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences, 664523, Irkutsk, Russia, e-mail: nnb@igc.irk.ru, ORCID ID: 0000-0001-9044-9765,
V.A. Gladkikh, Cand. Sci. (Eng.), Director of the Research and Development Centre, National Research University, Moscow State University of Civil Engineering, 129337, Moscow, Russia, e-mail: gladkich_87@mail.ru, ORCID ID: 0000-0001-9191-5537,
R.V. Kononenko, Cand. Sci. (Eng.), Assistant Professor, Irkutsk National Research Technical University, 664074, Irkutsk, Russia, e-mail: istu_politeh@mail.ru, ORCID ID: 0009-0001-5900-065X,
V.V. Gerasidi, Cand. Sci. (Eng.), Assistant Professor, Admiral Ushakov Maritime State University, 353924, Novorossiysk, Russia, e-mail: gerasidivv@yandex.ru, ORCID ID: 0009-0008-1673-3192,
N.V. Martyushev, Cand. Sci. (Eng.), Assistant Professor, Western Caspian University, Baku, AZ 1001, Azerbaijan, e-mail: martjushev@tpu.ru, ORCID ID: 0000-0003-0620-9561.

N.N. Bryukhanova, e-mail: nnb@igc.irk.ru.

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