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Home › Cyanide Facts › Use in Mining. ... toxic hydrogen cyanide gas is not generated and the cyanide is kept in solution to dissolve the gold and/or silver.
Leaching gold with a cyanide solution remains the most widely used hydrometallurgical process for the extraction of gold from ores and concentrates.
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Cyanide Use in Gold Mining. ... How is cyanide used in mining? A sodium cyanide solution is commonly used to leach gold from ore. There are two types of leaching:
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The addition of gold or silver to an alkaline sodium cyanide solution will cause the gold and silver to react with the cyanide and dissolve into the solution in a ...
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