The process design of gold leaching and carboninpulp

African gold plant. These figures are not a standard but reflect the nature of the ore and the design basis for a particular situation. The ore is first reduced in size (typically 80% passing 75µm) to ensure that all nonrefractory gold is readily accessible for cyanide leaching. There are several variations of comminution circuits used in the

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Cyanide control in the metallurgical process of gold

the plant cyanide addition rate. Cyanide control in the metallurgical process of gold extraction in AngloGold (S.A.) by B.J. Vorster* and S.R. Flatman Synopsis AngloGold South Africa region currently consists of twelve gold plants. These plants use a combined total of $20 million of cyanide per annum. Of this, the major portion (60%) is

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CYANIDE AND CYANIDE COMPLEXES IN THE GOLD MINE

extraction plant, producing the sand dumps (Crown Gold Recovery, 2003). The resulting gold cyanide complex is very stable (pK=. 56). The solution is (the 'pulp') are treated with cyanide in large tanks that are stirred mechanically or by airagitation.

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