Electrochemical study of the effect of lead and sulphide ions on the dissolution rate of gold in alkaline cyanide solutions

Hydrometallurgy

Volumn 60, Issue 1, 2001, Pages 55-67

  Tshilombo, Alain F ^a   Sandenbergh, Roeløf F ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

CYANIDES; DISSOLUTION; ELECTRIC POTENTIAL; ELECTROCHEMISTRY; IMPURITIES; LEACHING; LEAD; OXIDATION; OXYGEN; PASSIVATION; SULFUR COMPOUNDS;

ALKALINE CYANIDE; POTENTIODYNAMIC MEASUREMENTS; POTENTIOSTATIC MEASUREMENTS; SULFIDE;

GOLD;

EID: 0035284005     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(00)00157-2     Document Type: Article

References (19)

1. Kudryk V., Kellogg H.H. Mechanism and rate-controlling factors in the dissolution of gold in cyanide solution. Transactions of AIME, Journal of Metals. 6:1954;541-548.
2. Fink C.G., Putnam G.L. The action of sulphide ion and of metal salts on the dissolution of gold in cyanide solutions. Transactions of AIME. 187:1950;952-955.
3. Kirk D.W., Foulkes F.R., Graydon W.F. A study of anodic dissolution of gold in aqueous alkaline cyanide. Journal of the Electrochemical Society. 125:1978;1436-1443.
4. Lorenzen L., Van Deventer J.S.J. Electrochemical interactions between gold and its associated minerals during cyanidation. Hydrometallurgy. 30:1992;177-194.
5. Lapidus G. Unsteady-state model for gold cyanidation on a rotating disk. Hydrometallurgy. 39:1995;251-263.
6. Crundwell F.K., Godorr S.A. A mathematical model of the leaching of gold in cyanide solutions. Hydrometallurgy. 44:1997;147-162.
7. Mussatti D., Mager J., Martins G.P. Electrochemical aspects of the dissolution of gold in cyanide electrolytes containing lead. Aqueous Electrotechnologies: Progress in Theory and Practice, Proceedings of a Symposium held at the Annual Meeting of the Minerals, Metals and Materials Society. 1997;247-265.
8. Jeffrey M.I., Ritchie I.M., Labrooy S.R. The effect of lead on the electrochemistry of gold: myth or magic. Electrochemical Proceedings. 96-6:1996;284-295.
9. Weichselbaum J., Tumilty J.A., Schmidt C.G. The effect of sulphide and lead on the rate of gold cyanidation. The AusIMM Annual Conference, Perth-Kalgoorlie WA. 1989;221-224.
10. Habashi F. Principles of extractive metallurgy. Hydrometallurgy. vol. 2:1970;24-53 Gordon & Breach, New York.
11. Wang X., Forssberg K.E. The chemistry of cyanide-metal complexes in relation to hydrometallurgical processes of precious metals. Mineral Processing and Extractive Metallurgy Review. 6:1990;81-125.
12. Wierse D.G., Lohrengel M.M., Schultze J.W. Electrochemical properties of sulfur adsorbed on gold electrodes. Journal of the Electroanalytical Society. 92:1978;121-131.
13. Kondos P.D., Deschenes G., Morrison R.M. Process optimization studies in gold cyanidation. Hydrometallurgy. 39:1995;235-250.
14. Cathro K.J., Koch D.F.A. The anodic dissolution of gold in cyanide solutions. Journal of the Electrochemical Society. 111(12):1964;1416-1420.
15. Kirk D.W., Foulkes F.R., Graydon W.F. Gold passivation in aqueous alkaline cyanide. Journal of the Electrochemical Society. 127:1980;1962-1969.
16. Nicol J.M. The anodic behaviour of gold. Gold Bulletin. 13(3):1980;105-111.
17. Kokkinidis G. Underpotential deposition and electrocatalysis. Journal of Electroanalytical Chemistry. 201:1986;217-236.
18. Chimenos J.M., Segara M., Guzman L., Karagueorguieva A., Espiell F. Kinetics of the reaction of gold cyanidation in the presence of a thallium (I) salt. Hydrometallurgy. 44:1997;269-286.
19. Stoychevski M., Williams L.R. Influence of oxygen, hydrogen peroxide and oxone on the dissolution of gold from pyrite ore. Transactions of the Institution of Mining and Metallurgy, Section C. 102:1993;93-98.