Recovering gold from copper concentrate via the HydroCopper™ process

Recovering gold from copper concentrate via the HydroCopper™ process

HydroCopper(TM) technology comprises a chloride-leaching method for copper sulfide concentrates and copper production up to semi-products. As compared with the commonly used sulfate solutions, brine solutions offer aggressiveness and stability of the copper(I) ion and, consequently, a lower energy c...

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Veröffentlicht in:JOM (1989) 2004-08, Vol.56 (8), p.57-59
Hauptverfasser: Hyvärinen, Olli, Hämäläinen, Matti, Lamberg, Pertti, Liipo, Jussi
Format: Artikel
Sprache:eng
Schlagworte:
Caustic soda
Chloride
Copper
Cost control
Energy consumption
Gold
Grain size
International conferences
Leaching
Metallurgy
Mineral Processing
Mineralogy
Mineralteknik
Reactors
Silver
Studies
Sulfur
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Beschreibung
Zusammenfassung:HydroCopper(TM) technology comprises a chloride-leaching method for copper sulfide concentrates and copper production up to semi-products. As compared with the commonly used sulfate solutions, brine solutions offer aggressiveness and stability of the copper(I) ion and, consequently, a lower energy consumption in leaching. Copper(II) ions and oxygen are used as oxidants. Iron reports to the leaching residue as oxide and sulfur as elemental sulfur.
ISSN:1047-4838
1543-1851
1543-1851
DOI:10.1007/s11837-004-0184-5