Given that a non-ferrous smelting company uses imported copper concentrate with very low precious metal grade as raw material,it affects the precious metal recovery of the subsequent copper anode slime treatment system.The experiment examines the impact of the end-point potential and the gold concentration of the gold leachate on the gold precipitation process,and the obtained optimal end-point potential control is 270 mV.The gold leachate is recycled to the gold leaching process for oxidative leaching,which can reduce operating cost by 293,100 CNY every year.
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