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Leaching Treatment Method for Copper-Bearing Ores

     

Leaching Treatment Method for Copper-Bearing Ores

The leaching treatment method for copper-bearing ores comprises the following steps:

1、Use ammonium sulfate as the solid-phase reactant, fully mix it with crushed and ground copper-bearing ore, and then roast the mixture;

2、Transfer the product of the above-mentioned solid-phase reaction to hot water, conduct stirring and leaching, and then perform filtration;

3、Carry out separation and purification on the filtrate according to the ore components.

Under atmospheric pressure and low reaction temperature, the above method uses ammonium sulfate as the reactant to undergo a solid-phase reaction with copper and other metals contained in the ore. Copper is then transferred (leached) into the solution via clean water, which facilitates further separation and refining and ultimately yields the target product.

The ammonia released during the ore dissolution reaction and the remaining ammonium sulfate solution after separation of the leaching solution are respectively recovered and recycled, thereby forming a self-circulation of raw and auxiliary materials within the system and minimizing the loss of ammonium sulfate. Compared with conventional treatment methods, the leaching treatment method for copper-bearing ores of the present invention has the advantages of low environmental pollution, low energy consumption, and significantly reduced production costs.

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