Mechanism of electrooxidation of refractory gold ores

F. Arslan*, P. Duby

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Özet

Gold extraction from refractory ores is still a problem. Gold losses in the cyanidation process are mainly due to the presence of sulfides and carbonaceous materials. Oxidation of carbon and sulfide minerals by sodium hypochlorite is a possible method to render the ore amenable to cyanidation, and earlier work by the USBM indicates that electrochemical generation of hypochlorite is promising. Laboratory work was carried out on the oxidation of pyrite and carbon in an electrochemical cell with a sodium chloride electrolyte. The results of preliminary tests are discussed in relation to the mechanism of electrooxidation of refractory gold ores and the estimation of current efficiency.

Orijinal dilİngilizce
Yayın durumuYayınlandı - 1991
Harici olarak yayınlandıEvet
Etkinlik1991 SME Annual Meeting - Denver, CO, USA
Süre: 25 Şub 199128 Şub 1991

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???event.eventtypes.event.conference???1991 SME Annual Meeting
ŞehirDenver, CO, USA
Periyot25/02/9128/02/91

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