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Beneficiation and Metallurgy Method for Mixed Copper Ore

     

Combined Beneficiation and Metallurgy Method for Mixed Copper Ore:

This method involves processing oxidized-sulfide mixed copper ores with an oxidation rate ranging from 10% to 80% via flotation to separate sulfide ores and obtain copper concentrate. The flotation tailings are then directly subjected to acid agitation leaching, followed by solvent extraction and electrowinning to produce cathode copper, thereby forming an integrated beneficiation and metallurgy process combining flotation and acid leaching.

It can significantly boost the copper recovery rate of oxidized-sulfide mixed copper ores, generally increasing the recovery rate by 10 to 40 percentage points. The process boasts such advantages as being concise and highly efficient, requiring low dosages of flotation reagents, having low fresh water consumption, cutting down on investment and production costs for the solid-liquid separation process of flotation tailings, preventing oxidized copper minerals from entering copper concentrate, featuring a rational flow, and achieving high recovery rates.

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