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Indirect Gold Heap Leaching Process

     

Indirect Gold Heap Leaching Process

The elite solution purification method in the indirect gold heap leaching process involves adding activated carbon to the gold heap leaching solution. After 10-30 days, the activated carbon saturated with impurities is removed and subjected to desorption to obtain desorption wastewater and desorbed activated carbon. The desorbed activated carbon undergoes acid washing treatment, producing acid wash wastewater alongside the desorption wastewater and smelted residue leachate, all of which are collected in a settling tank. High-efficiency purification agents are then employed for purification.

The settling material undergoes pressure filtration and is stored in inventory. This system enables long-term recycling and zero discharge of the leaching solution while maintaining low concentrations of impurities, thereby enhancing leaching efficiency. Additionally, it facilitates the recovery of impurity metals.

This method ensures efficient purification with a wide range of suitable pH values, does not interfere with gold leaching, and achieves sustainable solutions for resource recovery and environmental protection.

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