Effect of lead nitrate on cyanidation of gold ores: progress on the study of the mechanisms

Minerals Engineering

Volumn 13, Issue 12, 2000, Pages 1263-1279

  Deschenes, G ^a   Lastra, R ^a   Brown, J R ^a   Jin, S ^b   May, O ^b   Ghali, E ^b  

^a ONTARIO MINISTRY OF NATURAL RESOURCES   (Canada)

^b UNIVERSITÉ LAVAL   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL REACTIONS; COMPOSITION EFFECTS; CYANIDES; ELECTROMETALLURGY; LEACHING; LEAD COMPOUNDS; SULFIDE MINERALS; SURFACE PROPERTIES; X RAY PHOTOELECTRON SPECTROSCOPY;

CYANIDATION; LEAD NITRATE; LEAD SULFIDE; LEAD SULFITE;

GOLD ORE TREATMENT;

EID: 0034288123     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0892-6875(00)00109-6     Document Type: Article

References (15)

1. Arnold, R.G., Range in composition and structure of 82 natural terrestrial pyrrhotites. The Canadian Mineralogist, 1967, 9, 31-50.
2. Chimenos J.M., Segarra M., Guzman L., Karagueorguieva A. and Espiell F., Kinetics of the reaction of gold cyanidation in the presence of thallium(I) salt. Hydrometallurgy, 1997, 44, 269-286.
3. Crundwell F.K. and Godorr, S.A, A mathematical model of leaching of gold in cyanide solutions. Hydrometallurgy, 1997, 44, 147-162.
4. Deschênes G. and Fulton, M., Improving cyanidation of a sulphide ore by using an efficient pre-leaching. In Proc. Int. Symposium on the Recovery of Gold. Montreal, CIM General Annual Meeting, May 1998 (in press).
5. th Ann. Conf. Metallurgists, 1999, 469-487.
6. Deschênes, G., Fulton, M., Jean P. and Healey, S. , Improvement of cyanidation at New Britannia Mine. In Proc. Randol Gold and Silver Forum'99, Denver. 1999, 149-154.
7. Deschênes, G., Rousseau, M., Tardif J., and Prud'homme, P.J.H., Effect of the composition of some sulphide minerals on cyanidation and use of lead nitrate and oxygen to alleviate their impact. Hydrometallurgy, 1999, 50, 205-221.
8. Fink C.G. and Putman G.L., The action of sulphide ion and of metal salts on the dissolution of gold in cyanide solutions. Mining Engineering, Transactions AIME, 1950, 187, 952-955.
9. Jeffrey M.I., Ritchie I.M., and LaBrooy S.R. , The effect of lead on the electrochemistry of gold: myth or magic. Electrochemical Proceedings, 1996, 96-6, 284-295.
10. Jin S., May Oliver, Ghali E. and Deschênes G., Investigation on the mechanisms of the catalytical effect of lead salts on gold dissolution in cyanide solution. In Proc. Third International Conference on Hydrometallurgy, ICHM'98, (Yang Xianwan, Chen Qiyuan and He Aiping eds.), International Academic Publishers, Beijing, China, . 1998, 666-679.
11. Lehmann M.N., Kaur P., Pennifold R.M. and Dunn J.G. , A comparative study of the dissolution of hexagonal and monoclinic pyrrhotites in cyanide solution. Hydrometallurgy, 2000, 5, 255-273.
12. Liu C.Q. and Yen, W.T., Effects of sulphide minerals and dissolved oxygen on the gold and silver dissolution in cyanide solution. 1995, Minerals Engineering, 8, 1/2, 111-123.
13. McIntyre J.D. and Peck W.F. Jr. , Electrodeposition of gold - depolarization effects induced by heavy metal ions. J. Electrochemical Society, 1976, 123, 1800-1813.
14. Mussatti D., Mager J. and Martins G.P. Electrochemical aspects of the dissolution of gold cyanide electrolytes containing lead. Aqueous Electrotechnologies: Progress in Theory and Practice (D.B. Dreisinger, ed.), The Minerals, Metals & Materials Society, 1997, 248-265.
15. nd edition, C. Griffin and Cy Ltd, London. 1898.