Ultrafine Grinding For Direct Cyanidation Gold Mine

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Gold Mining Process Development – Denver Mineral Engineers. Agitated tank leaching; Heap leaching; Carbon adsorption recovery; Zinc . allow the recovery of gold by standard gravity concentration or direct cyanide is typically done with large grinding mills that consume roughly one horsepower

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4.4 Ultrafine Pyrrhotite Concentrate. Ultrafine grinding is used to liberate gold finely disseminated in metallic sulfides. KCGM is the first gold mine using ultrafine grinding followed by cyanidation (Ellis and Gao, 2002).

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Since early 2001, Kalgoorlie Consolidated Gold Mines (KCGM) has successfully operated an ultra fine grinding (UFG) circuit to supplement its roaster capacity for the treatment of the refractory gold flotation concentrate.

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