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Flotation-Acid Leaching Technology

     

Flotation-Acid Leaching Technology for Treating High Carbonate Copper Oxide Ore

The flotation-acid leaching technology for high carbonate copper oxide ore involves grinding the ore to a certain fineness, then conducting sulfidization flotation with a combined collector to remove acid-consuming carbonate gangue. The resulting rough concentrate is leached under specific conditions to obtain copper sulfate solution.

This technology can effectively eliminate acid-consuming carbonate gangue from raw ore, reducing acid consumption in hydrometallurgical leaching of high carbonate copper oxide ore by over 70% while ensuring an overall copper recovery rate of more than 85%. It lowers production costs and the investment scale of hydrometallurgical plants, features a flexible and easy-to-control process, and is suitable for large-scale industrial applications.

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