What is Gold Cyanidation? (with picture) wiseGEEK

Gold cyanidation, also called cyanide leaching, is a process used to extract gold from raw ore taken from the ground. It uses cyanide to dissolve the gold within the rock, which, itself, is not soluble in cyanide. The gold is then drawn out in a liquid form that can be treated to remove the cyanide.

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The Role of Cyanide in the Elution of Gold from Activated

thereby promote the elution of gold. This passivation, caused by the degradation of cyanide, is strongly temperature dependent. Free cyanide in the elution step of an AARL elution is of lesser importance than the cyanide in the pretreatment step. Elution without cyanide is possible only after cold acid washing, and has been proven on plant scale.

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small cyanide plant for gold processing

small cyanide plant for gold processing HFC Refrigerants (55) HST Hydraulic Cone CrusherHST series hydraulic cone crusher is combined with technology such as machinery, hydraulic pressure, electricity, automation, intelligent control, etc. , representing the most advanced crusher technology in the world.

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Cyanide detoxification of gold cyanidation tails and

Abstract. Cyanide detoxification by chemical means (sulphite, hydrogen peroxide or Caros acid) has typically been adopted by the gold industry to meet the International Cyanide Management Institute (ICMI) code and/or regulatory compliance for discharge into tailings storage facilities (TSFs), treatment of TSF return water or the discharge of excess water from the mining operation.

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Commercially sulfite or Caros acid are commonly employed to treat cyanidation tails from gold plants to achieve regulatory requirements and the International Cyanide Management Institute (ICMI) Code compliance of less than 50 mg L1 WAD cyanide for the discharge of cyanidation tails into a tailings storage facility (TSF).

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