The mechanism of gold extraction and copper precipitation from low grade ores in cyanide ammonia systems

Minerals Engineering

Volumn 10, Issue 3, 1997, Pages 309-326

  Vukcevic, S ^a  

^a MURDOCH UNIVERSITY   (Australia)

Author keywords

Cyanidation; Gold ores; Leaching; Oxidation; Tailings

Indexed keywords

CYANIDATION;

AMMONIA; COPPER; COPPER ORE TREATMENT; COPPER OXIDES; CYANIDES; EXTRACTIVE METALLURGY; GOLD ORE TREATMENT; IONS; LEACHING; OXYGEN; PRECIPITATION (CHEMICAL); THERMODYNAMIC STABILITY;

ORE TREATMENT;

EID: 0031095068     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0892-6875(97)00007-1     Document Type: Article

References (30)

1. Ruane, M., Gold recovery from the Paris mine tailings using ammoniacal cyanide leachant, Proc. Symposium on Processing of Copper- Gold Ores, AMMTEC, Perth, Australia (1991).
2. Esna- Ashari, M. & Beinhoff, C., Extraction of gold from Torco tailings, 15th Int Min Proc Congress, Cannes, (GEDIM St Etienne, Cedex, France), 3, 486-496 (1985).
3. Jara, O.J. & Bustos, A.A., Effect of oxygen on gold cyanidation: laboratory results, Hydrometallurgy, 30, 195-210 (1992).
4. Lapidus, G., Unsteady- state model for gold cyanidation on a rotating disk,Hydrometallurgy, 39, 251-263 (1995).
5. Kondos, P.D., Deshenes, G. & Morrison, R.M., Process optimization studies in gold cyanidation, Hydrometallurgy, 39, 235-250 (1995).
6. Lorenzen, L. & van Deventer J.S.J., Electrochemical interactions between gold and its associated minerals during cyanidation, Hydrometallurgy, 30, 177-194 (1992).
7. Abbruzzese, C., Fornari, P., Massidda, R., Veglio, F. & Ubaldini, S., Thiosulphate leaching for gold hydrometallurgy, Hydrometallurgy, 39, 265-276 (1995).
8. Girardi, S.C., Alruis, O.M. & Anfruns, Pressure Cyanidation: an option to treat refractory gold, Conference: Productivity and Technology in the Metallurgical Industries, Cologne, FRG, 17-22 Sept. (1989), Publ: The Minerals, Metals & Materials Society, 420, Commonwealth Dr. Warrendale, Pennsylvania 15086, USA, 627-673 (1989).
9. Stefanakis, M., Hassapis, J., Demetriades, D. & Kontopoulos, A., Dearsenifying roasting and gold extraction from a refractory pyrite concentrate, Conference: Arsenic Metallurgy Fundamentals and Applications, Phoenix, Arizona, USA, (25-28 Jan. 1988).
10. Sergent, R.H., Dadgar, A., Shin, C.C. & Reid, K.J., A comparison of Bromine and cyanide leaching for refractory gold concentrate, Conference: Precious and Rare Metal Technologies, Albuquerque, New Mexico, USA, (6-8 April 1988).
11. Nguen, H., Quast, K.B. & Newell, R., The influence of copper on CIP processing of gold ores, 6th AusIMM Extractive Metallurgy Conference, Brisbane, Australia, 197-201 (3-6 July 1994).
12. Yartasi, A. & Copur, M., Technical note dissolution kinetics of copper (II) oxide in ammonium chloride solutions, Minerals Engineering, 9(6), 693-698 (1996).
13. Hunt, B. US Patent No. 689, 190, (Dec. 17 (1901).
14. Jarman, A. & Brereton, E. Le Gay , Laboratory experiments on the use of ammonia and its compounds in cyaniding cupriferous ores and tailings, Trans. Inst. Min. and Metall. XIV, 289-334 (1905).
15. Halferdahl, A.C. , The problem of treating cupriferrous precious- metal ores by the cyanide process, Eng. Min. J., 128 , 350-358 (1945).
16. Putnam, G.L., Copper- ammonia process for cyanidation of complex ores, Chem. Engng. and Min. Review, 347-348 (June 10 1950).
17. Osseo- Asare, K., Xue, T. & Ciminelli V.S.T., Solution chemistry of cyanide leaching systems, Precious Metals, Eds. Kudryk, V., Corrigan, D. A. & Lang, W. W., A. I. M. E., Warrendale, 173-198 (1984).
18. Luo, R., Overall Equilibrium Diagrams for hydrometallurgical systems: copper- ammonia- water system, Hydrometallurgy, 17, 177-199 (1987).
19. Meng, X. & Han, K.N., The dissolution behaviour of gold in ammoniacal solutions, Hydrometallurgy: Fundametals, Technology and Innovation, Proc. Milton Wadsworth Symposium on Hydrometallurgy (Eds. Hiskey, J. B. & Warren, G. W.) A.I.M.E., Warrendale, 205-221 (1993).
20. Costello M.C., Ritchie I.C., & Lunt D.J., Use of ammonia cyanide leach system for gold-copper ores with reference to the retreatment of the TORCO tailings, Minerals Engineering, 5(10-12), 1421-1429 (1992).
21. La Brooy S.R., Komosa T. & Muir D.M., Selective leaching of gold from copper- gold ores using ammonia- cyanide mixtures, Proc. Extr. Metall. Conference, Perth, Australia (Aus. I. M. M., Melbourne), 127-132 (1991).
22. Hayes, G.A. & Corrans, I.J., Leaching of gold- copper ores using ammoniacal cyanide, Proc. Extractive Metallurgy of gold and Base Metals, Kalgoorlie, Australia (Aus. I.M.M., Melbourne), 349-352 (1992).
23. Han, K.N. & Meng, X., Extraction of gold/silver from refractory ores using ammoniacal solutions, Proc. Randol Gold Forum, Vancuver,Canada (Randol Intl., Golden, Co.), 213-218 (1992).
24. La Brooy S.R., Copper- goold ore treatment options and status, Proc. Randol Gold Forum, Vancuver, Canada (Randol Intl., Golden, Co.), 173-177 (1992).
25. Muir, D.M., La Brooy, S.R., Deng, T. & Singh, P., The mechanism of the ammonia- cyanide system for leaching copper- gold ores, Hydrometallurgy: Fundamentals, Technology and Innovation (Eds. Hiskey, J. B. & Warren, G. W.) A.I.M.E., Warrendale, Chapter 12, 191-204 (1993).
26. Zheng, J., Ritchie, I.M., La Brooy, S.R. & Singh, P., Study of gold leaching in oxygenated solutions containing cyanide- copper- ammonia using a rotating quartz crystal microbalance, Hydrometallurgy, 39, 277-292 (1995).
27. Butcher, D.J., Ammoniacal cyanide leaching for recovery of gold from Torco tailings- Akjoujt Mauritania, Proc. Randol Gold Forum, Perth, Australia (Randol Intl., Golden, Co.), 231-238 (1995).
28. Vukcevic, S. & Ritchie, I.M., Unpublished Research, Murdoch University, CRC Parker, Perth WA (1996).
29. Milosavljevic, E.B., Solujic, Lj. & Hendrix, J.L., Rapid distillationless "Free Cyanide" determination by a flow injection ligand exchange method, Environmental Science & Technology 29(2), 426-430 (1995).
30. Milosavljevic, E.B. & Hendrix, J.L., Cyanide speciation- what species would you like, Proceedings of Managing the Mine Environment Workshop, Randol at MINExpo' 92, Las Vegas, Nevada, 169-174 (1992).