The Mikheevskiy Ore Mining and Processing Plant (Varnensky district, Chelyabinsk region) plans to adopt a three-stage ore grinding technology which will produce finer ore particles than the existing two-stage crushing equipment.

The separation of tiny impregnated copper particles from gangue material is expected to reduce the loss of valuable fractions in tailings and increase the extraction of copper from ore from the current 85% ...

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