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Flotation-Acid Leaching Process

     

The flotation-acid leaching process for high-carbonate copper oxide ore operates as follows: After the ore is ground to a specified fineness, sulfidization flotation is conducted using a combined collector to remove acid-consuming carbonate gangue. The obtained rough concentrate is then leached under preset conditions to produce copper sulfate solution.

This process can effectively eliminate acid-consuming carbonate gangue from raw ore, cut the acid consumption of hydrometallurgical leaching for high-carbonate copper oxide ore by more than 70%, and guarantee an overall copper recovery rate of no less than 85%. It reduces production costs and the required investment scale of hydrometallurgical plants, boasts a flexible and easy-to-control process flow, and is suitable for large-scale industrial application.

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