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sepration of gold from copper and silver in bhutan

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sepration of gold from copper and silver in bhutan

Cupellation separation of gold or silver from impurities by melting the impure metal in a cupel a flat porous dish made of a refractory or hightemperatureresistant material and then directing a blast of hot air on it in a special furnace The impurities including lead copper tin and...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.