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Smelter Process For Recovery Of Gold

Smelter Process For Recovery Of Gold

A process for the recovery of gold from a precious metal bearing sludge concentrate is disclosed. The process comprises the steps of leaching the sludge with hydrochloric acid and hydrogen peroxide to solubilize at least gold palladium and platinum removing silver from the leach slurry as insoluble silver chloride and selectively precipitating gold from the leach solution remaining after.

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