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Leaching Method for Copper Sulfide Ore

     

the technical field of hydrometallurgy.

The method comprises: adding 8~167 mg/L of silver sulfate, 1~12 g/L of pyrite and 1.8~36.4 g/L of sodium persulfate as a compound enhanced leaching agent for copper sulfide ore to the leaching system, so as to improve the hydrometallurgical leaching efficiency of copper sulfide ore and reduce the leaching temperature.

When the temperature is 20℃, under the combined action of the enhanced leaching agent, the leaching rate of copper sulfide ore is 8.4~12.4% higher than that of the control group without any enhanced agent added at 50℃, with the temperature reduced by 30℃.

This method enables energy-saving enhanced leaching of copper sulfide ore, improves copper leaching rate, reduces energy consumption and cuts production costs.

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