6. Industrial cases
6.1 Kirka mine
Ore from the Kirka deposit in Turkey is essentially composed of tincal associated with a gangue whose major phases are dolomite and montmorillonite, and minor phases are gypsum, celestine, calcite, orpiment and realgar; illite and chlorite are accessory phases.
The ore extracted from the quarry first passes through a 400 × 400 mm grizzly (fixed bar screen) and feeds into a storage hopper. It is then taken for two-stage crushing, first to 100 mm in an impact crusher, then to 25 mm in a hammer crusher. The outlet from the secondary hammer crusher feeds a screen that cuts to a 6 mm mesh, and the reject at this mesh is taken up by a roller crusher that works in a closed circuit with the previous screen. The entire 6 mm mesh is pulped to a solids concentration...
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Industrial cases
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