Photometric sorting of ore on a South African gold mine - SAIMMmachine developed for the South African gold mines. It is now . appropriate valves of an array of air-blast rejection devices to remove from the feed certain particles selected by the analysing ... Sorter, but, since it is fully auto- mated, this duty.automatic machinery to remove gold from ore,Some factors influencing gold recovery by gravity . - SAIMMIn this paper, the history of gold recovery by gravity concentration is reviewed, and methods and . solete as the oxidized ores became . recover the concentrates. The method was highly labour-intensive .. term, with its object the optimi- zation and improvement of existing machines .. classification efficiency automatically.Methods for recovering precious metals from industrial wasteThe most commonly recovered precious metals are: gold from jewellery . processing electrical and electronic equipment waste. .. metals rather than extracting them from ores . . A considerable yearly volume of scrapped auto catalytic.
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