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alternative method of gold milling bangladesh

Cyanide CN – has been used since 1889 to recover gold from hard rock As sodium cyanide NaCN it reacts with gold oxygen O and water H 2 O to form a gold cyanide complex Na Au CN 2 and sodium hydroxide NaOH The chemical reaction dubbed the “Elsner Equation” named after its discoverer is shown below... 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.

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