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A Method For Leaching Or Dissolving Gold From Ores

In a method for leaching gold from copper sulfides, the sulfide ores are first subjected to leaching of copper, thereby producing a leaching residue having 7.9 or less of the copper content.This leaching residue is mixed with a leach liquor, which contains the chloride ion and ferric ion and has 1.9 or less of ph.Gold and copper can be effectively leached from the copper sulfide ores.

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