Why Are Gold Mines Switching to PSA Oxygen Generators for Cyanide Leaching?
Gold extraction by cyanidation is a race against time. Ground ore is mixed with a dilute sodium cyanide solution in agitated tanks. The cyanide complexes with the gold, dissolving it so it can be recovered downstream by carbon adsorption or zinc precipitation. The chemistry is well understood, but the rate at which it proceeds is […]
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