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Regenerated Copper in a Single-Step Process

     

The Comprehensive Utilization of Regenerated Copper in a Single-Step Process:

In this single-step process, regenerated copper is directly used in the smelting furnace to melt into copper solution—after oxidation-reduction refining melting, obtain high-performance copper solution—cast into copper electrolytic sheets;

Electrorefining Process: Electrorefining of copper cathodes—1st stage cathode copper and precious metal copper slag;

Recycling of Copper Slag: Copper slag is oxidized and roasted—divided into copper (copper solution goes to the copper electrorefining room for recycling)—divided into gold (reduced to raw gold)—divided into silver (silver is reduced to raw silver)

The energy consumption of regenerated copper is approximately 0.8-1.2 kilograms of standard coal per ton of copper, while that of native copper is about 2.5-3 kilograms of standard coal per ton of copper; the CO₂ emission of regenerated copper is only 30%-40% that of native copper, with significant advantages.

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