Carbon in pulp (original) (raw)
Carbon in pulp (CIP) is an extraction technique for recovery of gold which has been liberated into a cyanide solution as part of the gold cyanidation process. Introduced in the early 1980s, Carbon in Pulp is regarded as a simple and cheap process. As such it is used in most industrial applications where the presence of competing silver or copper does not prohibit its use. In the case of high (i.e., 1%) copper content, froth flotation is more typical.
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| dbo:abstract | Carbon in pulp (CIP) is an extraction technique for recovery of gold which has been liberated into a cyanide solution as part of the gold cyanidation process. Introduced in the early 1980s, Carbon in Pulp is regarded as a simple and cheap process. As such it is used in most industrial applications where the presence of competing silver or copper does not prohibit its use. In the case of high (i.e., 1%) copper content, froth flotation is more typical. Activated carbon acts like a sponge to dicyanoaurate, the main soluble gold species in gold extraction technologies. Hard carbon particles (much larger than the ore particle sizes) can be mixed with the solution. The gold cyanide complex adsorb onto the carbon and is proposed to be reduced back to the metal. Because the carbon particles are much larger than the ore particles, the coarse carbon can then be separated from the slurry by screening using a wire mesh. (en) Le carbone en pulpe(CIP) est une technique d'extraction pour la récupération de l'or qui a été libéré dans une solution de cyanure dans le cadre du processus de cyanuration de l'or . Introduit au début des années 1980, le carbone en pulpe est considéré comme un procédé simple et bon marché. A ce titre il est utilisé dans la plupart des applications industrielles où la présence d' argent ou de cuivre concurrents n'interdit pas son utilisation. Le charbon actif agit comme une éponge vis-à-vis de l' aurocyanure et d'autres ions complexes en solution . Des particules de carbone dures (beaucoup plus grandes que les tailles de particules de minerais) peuvent être mélangées avec le mélange de minerais et de solution de cyanure . Le complexe de cyanure d'or est adsorbé sur le carbone jusqu'à ce qu'il atteigne un équilibre avec l'or en solution. Étant donné que les particules de carbone sont beaucoup plus grosses que les particules de minerai, le carbone grossier peut ensuite être séparé de la boue en suspension par tamisage à l'aide d'un treillis métallique. (fr) |
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| gold:hypernym | dbr:Technique |
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| rdfs:comment | Carbon in pulp (CIP) is an extraction technique for recovery of gold which has been liberated into a cyanide solution as part of the gold cyanidation process. Introduced in the early 1980s, Carbon in Pulp is regarded as a simple and cheap process. As such it is used in most industrial applications where the presence of competing silver or copper does not prohibit its use. In the case of high (i.e., 1%) copper content, froth flotation is more typical. (en) Le carbone en pulpe(CIP) est une technique d'extraction pour la récupération de l'or qui a été libéré dans une solution de cyanure dans le cadre du processus de cyanuration de l'or . Introduit au début des années 1980, le carbone en pulpe est considéré comme un procédé simple et bon marché. A ce titre il est utilisé dans la plupart des applications industrielles où la présence d' argent ou de cuivre concurrents n'interdit pas son utilisation. (fr) |
| rdfs:label | Carbon in pulp (en) Carbone en pulpe (fr) |
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