gold leaching grinding mill
The long residence time of thegoldwithin thegrindingcircuit can cause some of the GRG to become nongravity recoverable due to smearing on togrindingmedia,mill linersandgangueminerals. This effect is minor as more than 98% of the GRG entering theball millremains gravity recoverable aftergrinding(LaPlante, 2000).
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