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Recovering Copper, Silver, Gold

     

Method for Recovering Copper, Silver, Gold, Lead, Iron, and Sulfur from Complex Chalcopyrite Ores:

This method employs the use of hydrochloric acid, oxygen, and sodium hydroxide in a leaching process to recover copper, silver, gold, lead, iron, and sulfur from complex chalcopyrite ores. A small amount of oxidizing agent is used as a catalyst. The solution can effectively recover multiple elements from the leach solution, while the slag can be utilized for sulfur recovery along with gold and sodium sulfide. The leach solution is designed for repeated recycling to maintain its effectiveness. The electrolytic device incorporates a separated petal tank to facilitate copper recovery.

This approach significantly enhances the efficiency of low-cost, nontoxic gold extraction. By minimizing gold loss during the process and ensuring that all reagents are non-toxic and cost-effective, this method achieves high recovery rates for various elements. Importantly, it avoids pollution and does not produce any toxic or hazardous waste.

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