9. Metallurgy
9.1 General
The very high occurrence of silver in sulfides and sulfosalts means that only 43% of silver production comes from silver and gold ores; the rest of the world's production comes from the processing of copper, lead and zinc ores
It should also be considered that a large proportion of the silver-bearing minerals are insoluble or only slightly soluble during cyanidation, giving the ore a refractory character. Added to this disadvantage is the precipitation of Ag 2 S, even in the presence of small amounts of sulfur. Ag 2 S is insoluble in cyanide medium in the absence of oxidation. Oxidative...
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Metallurgy
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