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Gold-cyanide leaching

The capability of zinc to reduce the ions of many metals to theh metallic state is the basis of important appHcations. However, metals are removed from zinc solutions by displacement with finely divided zinc before winning by electrolysis. Gold and silver are displaced from cyanide leach solutions with zinc and the following metals are similarly recovered from various solutions platinum group, cadmium, indium, thallium, and sometimes copper. [Pg.398]

Gold telluride Thermal treatment AuTe2 —> Au + 2 Te Cyanide leaching... [Pg.478]

Kordosky, G. A. Sierakoski, J. M. Virnig, M. J. Mattison, P. L. Gold solvent extraction from typical cyanide leach... [Pg.807]

AuPLUS A hydrometallurgical process for extracting gold. Addition of calcium peroxide to the cyanide leaching liquor increases the rate and amount of gold extracted. [Pg.29]

CIL [Carbon In Leach] A process for extracting gold from cyanide leach liquors using activated carbon. [Pg.64]

CIP (1) [Carbon In Pulp] A general name for hydrometallurgical extraction processes that use activated carbon in slurries of ground ores. One such process is used for extracting gold from cyanide leach liquors. First operated on a large scale at the Homestake lead mine in South Dakota in 1974. See also RIP. [Pg.64]

Far less selectivity can be achieved in cyanide solution because many metals, both precious and base, form anionic complexes in even very dilute cyanide solution. This is illustrated by the equilibrium absorption isotherms for various metal ions in a leach liquor from a gold cyanidation plant on a strong-base resin (Figure 14).358... [Pg.819]

The coordination chemistry of both metal ions involved plays a vital role in governing the thermodynamics and the kinetics of such reactions. This will be illustrated by reference to the chemistry involved in the precipitation of gold from cyanide leach liquors by metallic zinc powder — the most widely applied method for the recovery of gold from solutions.415 The overall reaction is... [Pg.829]

A cyanide leaching pool for extracting gold at the Picacho Gold Mine in the Mohave Desert. [Pg.827]

Other general applications have included catalyst carriers and decolorizing for gold recovery from cyanide leach solutions. Of particular interest is its effective use for military and industrial clothing where protection from noxious vapors is necessary. Recent studies have shown its ability to separate chemical isomers, such as the separation of dioxin isomers. It has been used worldwide for analytical methods for determining trace (PPB) toxic substances in water,... [Pg.316]

It is well known that gold is extracted and also assayed by the familiar cyanide leaching. [Pg.26]

See other pages where Gold-cyanide leaching is mentioned: [Pg.333]    [Pg.333]    [Pg.356]    [Pg.333]    [Pg.333]    [Pg.289]    [Pg.476]    [Pg.217]    [Pg.333]    [Pg.333]    [Pg.356]    [Pg.333]    [Pg.333]    [Pg.289]    [Pg.476]    [Pg.217]    [Pg.143]    [Pg.87]    [Pg.210]    [Pg.362]    [Pg.544]    [Pg.564]    [Pg.565]    [Pg.798]    [Pg.2]    [Pg.916]    [Pg.917]    [Pg.921]    [Pg.936]    [Pg.951]    [Pg.193]    [Pg.489]    [Pg.916]    [Pg.917]    [Pg.936]    [Pg.951]    [Pg.67]    [Pg.330]    [Pg.830]    [Pg.176]   
See also in sourсe #XX -- [ Pg.476 ]



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Gold cyanide

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