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The gold extraction process

     

The gold extraction process from copper-bearing oxidized gold ore falls under hydrometallurgical technology. First, the copper-bearing oxidized gold ore undergoes crushing, grinding and classification, followed by alkaline treatment. Then, a certain proportion of chelating agent and sodium cyanide are added to inhibit copper leaching and realize selective gold leaching. Finally, gold is extracted from the leachate via conventional activated carbon adsorption.

This method boasts a simple process, uncomplicated equipment and ease of implementation, along with high gold leaching rate, low reagent consumption, minimal capital investment and low cost. It is a gold extraction approach that is easy to industrialize and delivers good economic benefits.

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