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Cyanidlaugerei

Cyanidlaugerei. Zerkleinertes Gestein. Durchlüftung. KCN (oder NaCN - Lösung). 4 Au + 8 KCN + 2 H 2 O + O 2 → 4 K[Au(CN) 2 ] + 4 KOH. Zn Staub. Reduktion. 2 K[Au(CN) 2 ] + Zn → K 2 [ Zn (CN) 4 ] + 2 Au. Schlamm mit Au und Zn. Filtration. Au. Amalgamverfahren.

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Cyanidlaugerei

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  1. Cyanidlaugerei Zerkleinertes Gestein Durchlüftung KCN (oder NaCN- Lösung) 4 Au + 8 KCN + 2 H2O + O2→4 K[Au(CN)2] + 4 KOH Zn Staub Reduktion 2 K[Au(CN)2] + Zn → K2[Zn(CN)4] + 2 Au Schlamm mit Au und Zn Filtration Au

  2. Amalgamverfahren Zerkleinertes und goldhaltiges Gestein Wasser Hg Pochtrübe AuHgx AuHgx Kondensation Au Destillation

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