Mechanochemical activation of processing tailings to manufacture components for cemented backfill

The topic of this research is the mechanochemical activation of ore processing tailings to be used in production of components for cemented backfill. The problem here is the limited usability of processing and conversion tailings at their content of metals higher than the allowable maximum. This fact defines the goal of the research: the theoretical and experimental validation of usability of tailings after removal of metal impurities down to the sanitary standards for the purposes of backfilling. The research methods include the generalization and systematization of the experience of metal leaching from processing tailings in disintegrators. The increased volume of metal production calls for new resources from mining practices, including increased application of mining technologies with cemented backfill. It is shown that one of the ways of solving the problem connected with shortage of raw materials is mechanochemical processing of low-grade minerals with improvement of qualities of available cheap agents by integration of the mechanical and chemical effects. Recovery of metals in leaching in a disintegrator reaches the value which allows using the tailings in the mining industry without the health-based constraints, including production of binding agents. The mechanochemical technology of tailings treatment allows expanding the range of backfilling with cemented backfill made of tailings. For this reason, the comprehensive utilization of mining and metallurgy waste after mechanochemical activation in disintegrators can be a realistic reserve for the improvements and achievements in underground mineral mining.

Golik V. I., Alekseev I. A. Mechanochemical activation of processing tailings to manufacture components for cemented backfill. MIAB. Mining Inf. Anal. Bull. 2023;(5-1):5-16. [In Russ]. DOI: 10.25018/0236_1493_2023_51_0_5.

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

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

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