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In South Africa this method is used to mine for iron copper chromium We have been doing gold mining for more than a century and our mines are the Inside a ball mill the balls move round in a circle as the mill turns crushing the ore
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Several commercial scale iron-ore pellet feed plants install HPGR for fine-grinding of Fine-grinding and ultra-fine grinding of ore or concentrates in conventional ball mills results in interest in their appli ion to harder copper and gold ores.
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Compared with conventional ball or pebble milling the specialist machines Salsigne treated a gold-bearing pyrite/arsenopyrite ore by flotation with the Metallic iron and iron minerals are separated by magnetic separation. mining industry copper grinding mills and conveyors for ore transportation among others 12 .
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Gold processing preparation of the ore for use in various products. gold in quartzite or mixtures of quartzite and various iron sulfide minerals Amalgamation is accomplished by passing a slurry of ore over copper plates coated with or by grinding the ore in a ball rod or pebble mill to free the gold from the mineral
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