A study of gold anodic behavior in the presence of various ions and sulfide minerals in cyanide solution

Minerals Engineering

Volumn 18, Issue 1, 2005, Pages 89-102

  Aghamirian, M M ^a   Yen, W T ^a  

^a QUEEN S UNIVERSITY   (Canada)

Author keywords

Cyanidation; Gold ores; Leaching; Precious metal ores; Redox reactions

Indexed keywords

CYANIDES; DISSOLUTION; GOLD; LEACHING; MASS TRANSFER; PASSIVATION; PYRITES; REDOX REACTIONS;

CYANIDATION; GOLD ORES; PRECIOUS METAL ORES;

SULFIDE MINERALS;

EID: 9744228818     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mineng.2004.05.008     Document Type: Article

References (50)

1. Adzic, R.R. et al., 1980. Oxygen reduction on electrode surface modified by foreign metal ad-atoms: lead ad-atoms on gold. Electroanal. Chem. 114, 37-51.
2. Briceno, A., Chander, S., 1990. Oxidation of hydrosulphide ions on gold. J. Appl. Electrochem. 20, 506-517.
3. Brockris, J.O'M., Drazic, D.M., 1972. Electrochemical Science. Barnes and Noble Books, New York. p. 137.
4. Buckley, A.N., Hamilton, I.C., Woods, R., 1987. An investigation of the sulphur (II)/sulphur (0) system on gold electrodes. J. Electroanal. Chem. 216, 213-227.
5. Cathro, K.J., 1964. The effect of oxygen in cyanide process for gold recovery. Aust. Inst. Min. Metall. Proc. 207, 181-205.
6. Cathro, K.J., 1965. The effect of thallium on the rate of extraction of gold from pyrites calcine. Aust. Inst. Min. Metall. Proc. 208, 127-137.
7. Cathro, K.J., Koch, D.F.A., 1964. The anodic dissolution of gold in cyanide solutions. J. Electrochem. Soc. 111, 1416-1420.
8. Cordova, R., Martins, M.E., Arvia, A.J., 1979. Multiplicity of anodic and cathodic current peaks observed during potentiodynamic perturbations of gold/sodium hydroxide solution interfaces. J. Electrochem. Soc. 126 (7), 1172-1176.
9. Deschenes, G. et al., 1998. Effect of the compostion of some sulphide minerals on cyanidation and use of lead nitrate and oxygen to alleviate their impact. Hydrometallurgy 50, 205-221.
10. Deschenes, G. et al., 2000. Effect of lead nitrate on cyanidation of gold ores: progress on the study of the mechanisms. Miner. Eng. 13(12), 1263-1279.
11. Dorin, R., Woods, R., 1991. Determination of leaching rate of precious metals by electrochemical techniques. J. Appl. Electrochem. 21, 419-424.
12. Eisenmann, E.T., 1978. Kinetics of the electrochemical reduction of dicyanoaurate. J. Electrochem. Soc. 125, 717-723.
13. Finkelstein, N.P., 1972. Gold Metallurgy in South Africa, p. 284.
14. Fleming, C.A., 1992. Hydrometallurgy of precious metals recovery. Hydrometallurgy 30, 127-162.
15. Gao, X. et al., 1992. Observing surface chemical transformations by atomic-resolution scanning tunnelling microscopy: sulfide electrooxidation on Au(III). J. Phys. Chem. 96, 4156-4159.
16. Guan, Y., Han, K.N., 1994. An electrochemical study on the dissolution of gold and copper form gold/copper alloys. Met. Trans. 25B, 817-827.
17. Hamilton, I.C., Woods, R., 1983. An investigation of the deposition and reaction of sulphur on gold electrodes. J. Appl. Electrochem. 13, 783-794.
18. Hedley, N., Tabachnick, H., 1950. Chemistry of cyanidation. Mineral, Dressing Notes, No. 17, American Cyanamid Co.
19. Jeffrey, M.I., Breuer, P.L., 2000. The cyanide leaching of gold in solutions containing sulphide. Miner. Eng. 13 (10-11), 1097-1106.
20. Kameda, M., 1949. Fundamental studies on dissolution of gold in cyanide solution. III. Effect of alkalis, lead acetate and some impurities contained in foul cyanide solution. Sci. Rep. RITU, Ser. A 1, 133-138.
21. Kirk, D.W., Foulkes, F.R., 1980. Anodic dissolution of gold in aqueous alkaline cyanide solution at low overpotentials. J. Electrochem. Soc. 127 (9), 1993-1997.
22. Kirk, D.W., Foulkes, F.R., Graydon, W.F., 1978. A study of anodic dissolution of gold in aqueous alkaline cyanide. J. Electrochem. Soc. 125 (9), 1436-1443.
23. Kirk, D.W., Foulkes, F.R., Graydon, W.F., 1980a. The electrochemical formation of Au(I) hydroxide on gold in aqueous potassium hydroxide. J. Electrochem. Soc. 127 (9), 1069-1076.
24. Kirk, D.W., Foulkes, F.R., Graydon, W.F., 1980b. Gold passivation in aqueous alkaline cyanidation. J. Electrochem. Soc. 127 (9), 1962-1969.
25. Kudryk, V., Kellogg, H.H., 1954. Mechanism and rate controlling factors in the dissolution of gold in cyanide solution. J. Metals 6, 541-548.
26. Larger, G., Forssberg, K.S.E., 1990. Equilibrium model with reference to stibnite flotation. IMM Trans., Jan.-Apr. 99, C62-C70.
27. Li, J., 1991. Rate Process of Silver Cyanidation. Ph.D. Thesis, The University of Utah.
28. Li, J., Wadsworth, M.E., 1993. Electrochemistry study of silver dissolution in cyanide solutions. J. Electrochem. Soc. 140, 1921-1927.
29. Liu, G.Q., 1993. Cyanidation of Gold and Silver in Oxygen Enriched Solution. M.Sc. Thesis, Queen's University.
30. Lorenzen, L., van Denventer, J.S.J., 1992. Electrochemistry interactions between gold and its associated minerals using cyanidation. Hydrometallurgy 30, 177.
31. Mac Arthur, D.C., 1972. A study of gold reduction and oxidation in aqueous solution. J. Electrochem. Soc. 119, 672-677.
32. McIntyre, J.D.E., Peck, W.F., 1976. Electrodepositing of gold. J. Electrochem. Soc. 123 (12), 1800-1813.
33. Mills, T., 1951. An Introduction Study of the Dissolution of Gold and Silver in Cyanide Solution. Ph.D. Thesis, University of Melbourne.
34. Mussatii, D. et al., 1997. Electrochemical aspects of the dissolution of gold in cyanide electrolytes containing lead. In: Dreisinger, D.B. (Ed.), Proceeding of Aqueous Electrotechnologies: Progress in Theory and Practice. The Minerals, Materials Society, New York, pp. 247-265.
35. Nicol, M.J., 1980. The anodic behaviour of gold. Gold Bull. 13, 105111.
36. Omar, I.H., Pauling, H.J., Jüttner, K., 1993. Underpotential deposition of copper on Au(III) single-crystal surface. J. Electrochem. Soc. 140, 2187.
37. Pan, T.P., Wan, C.C., 1979. Anodic behavior of gold in cyanide solution. J. Appl. Electrochem. 9, 653-655.
38. Paul, R.L, 1984. The role of electrochemistry in the extraction of gold. J. Electroanal. Chem. 168, 147-162.
39. Pourbaix, M., 1974. Atlas of Electrochemical Equilibrium in Aqueous Solutions, p. 485.
40. Rees, K.L., Van Deventer, J.S.J., 1999. The role of metal-cyanide species in leaching gold from a copper concentrate. Miner. Eng. 12 (8), 877-892.
41. Sawaguchi, T., Yamada, T., Okinaka, Y., 1995. Electrochemical scanning tunneling microscopy and ultrahigh-vacuum investigation of gold cyanide adlayers on Au(III) formed in aqueous solution. J. Phys. Chem. 99, 14149-14155.
42. Shantz, R., Reich, J., 1978. A review of copper-cyanide metallurgy. Hyrometallurgy 3, 99-109.
43. Sun, X., Guan, Y.C., Han, K.N., 1995. The electrochemical behavior of the dissolution of gold-silver alloys in cyanide solutions. Prepr. Soc. Miner. Engrs. AIME 95-8.
44. Thompson, P.F., 1947. The dissolution of gold in cyanide solutions. Electrochem. Soc. Trans. 91, 41-71.
45. Tshilombo, A.F., Sandenbergh, R.F., 2001. An electrochemical study of the effect of lead and sulphide ions on the dissolution rate of gold in alkaline cyanide solutions. Hydrometallurgy 60, 55-67.
46. Wadsworth, M.E., 2000. Surface processes in silver and gold cyanidation. Int. J. Miner. Process. 58, 351-368.
47. Wadsworth, M.E., Zhu, X., 2003. Kinetics of enhanced gold dissolution: activation by dissolved silver. Int. J. Miner. Process. 72, 301310.
48. Wierse, D.G. et al., 1978. Electrochemical properties of sulfur adsorbed on gold electrodes. J. Eletroanal. Chem. 92 (2), 121-131.
49. Woods, R., 1976. Gold. In: Bard, A.J. (Ed.), Electroanalytical Chemistry, vol. 9. Marcel Dekker, New York, pp. 119-125.
50. Woods, R., Constable, D.C., Hamilton, I.C., 1989. A rotating ring disc electrode study of the oxidation of sulfur (II) specious on gold and sulfide minerals. Int. J. Miner. Process. 27, 309-326.