Electrochemical behavior of gold cyanidation in the presence of a sulfide-rich industrial ore versus its major constitutive sulfide minerals

Hydrometallurgy

Volumn 101, Issue 3-4, 2010, Pages 108-119

  Azizi, Abdelaaziz ^a   Petre, Catalin Florin ^b   Olsen, Caroline ^b   Larachi, Faïçal ^a  

^a UNIVERSITÉ LAVAL   (Canada)

^b COREM Research Center ^*  (Canada)

Author keywords

Galvanic interactions; Gold cyanidation; Passivation; Sulfide ores; Sulfur and cyanicides speciation

Indexed keywords

AU ELECTRODES; BENEFICIAL EFFECTS; CYANIDATION; CYANIDE CONSUMPTION; DISC ELECTRODES; ELECTROCHEMICAL BEHAVIORS; GALVANIC INTERACTION; GOLD CYANIDATION; GOLD DISSOLUTION; GOLD LEACHING; INHIBITING EFFECT; LEACHING BEHAVIOR; LEACHING TEST; PRE-OXIDATION; RELATIVE IMPORTANCE; SULFIDE ORES; SYSTEMATIC STUDY;

ALUMINA; COPPER COMPOUNDS; CYANIDES; DISSOLUTION; ELECTROCHEMICAL CELLS; ELECTROCHEMICAL ELECTRODES; ELECTROLYTIC ANALYSIS; ELECTROLYTIC CELLS; GOLD; INDUSTRY; LEACHING; MINERALS; ORES; OXIDATION; PASSIVATION; SILICATE MINERALS; SULFUR; ZINC SULFIDE;

GOLD ORE TREATMENT;

EID: 76449104010     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2009.12.004     Document Type: Article

References (39)

1. Aghamirian M.M., and Yen W.T. Mechanism of galvanic interactions between gold and sulfide minerals in cyanide solution. Minerals Engineering 18 (2005) 393-407
2. Ahlberg E., and Broo A.E. Oxygen reduction at sulphide minerals. 1. A rotating ring disc electrode (RRDE) study at galena and pyrite. International Journal of Mineral Processing 46 (1996) 73-89
3. Ahlberg E., and Broo A.E. Oxygen reduction at sulphide minerals. 3. The effect of surface pre-treatment on the oxygen reduction at pyrite. International Journal of Mineral Processing 47 (1996) 49-60
4. Bard A.J., and Startmann M. Encyclopedia of electrochemistry. In: Fritz S., and Pickett C.J. (Eds). Inorganic Chemistry vol. 7a (2006), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany
5. Breuer P.L., Hewitt D.M., Jeffrey M.I., and Rumball J.A. The leaching and oxidation of sulfide minerals in cyanide solutions - quantification of reaction products and the effect of lead and oxygen. World Gold Conference (2007) 183-189
6. Breuer P.L., Jeffrey M.I., and Hewitt D.M. Mechanisms of sulfide ion oxidation during cyanidation. Part I: the effect of lead (II) ions. Minerals Engineering 21 (2008) 579-586
7. Buckley A.N., and Woods R. The surface oxidation of pyrite. Applied Surfcae Science 27 (1987) 437-452
8. Churchill M., and Laxen P.A. The rotating disc system and its applications in the dissolution of gold. Nat. Inst. Metall. Johannesburg (Mintek) (1966) 11
9. Cruz R., Bertrand V., Monroy M., and González I. Effect of sulfide impurities on the reactivity of pyrite and pyritic concentrates: a multi-tool approach. Applied Geochemistry 16 (2001) 803-819
10. Cruz R., Luna-Sánchez R.M., Lapidus G.T., González I., and Monroy M. An experimental strategy to determine galvanic interactions affecting the reactivity of sulfide mineral concentrates. Hydrometallurgy 78 (2005) 198-208
11. Dai X., and Jeffrey M.I. The effect of sulfide minerals on the leaching of gold in aerated cyanide solutions. Hydrometallurgy 82 (2006) 118-125
12. Davidson R.J., and Sole M.J. The major role played by calcium in gold plant circuit. The Journal of the Southern African Institute of Mining and Metallurgy 107 (2007) 463-467
13. Deschenes G., Rousseau M., Tardif J., and Prud'homme P.J.H. Effect of the composition of some sulfide minerals on cyanidation and use of lead nitrate and oxygen to alleviate their impact. Hydrometallurgy 50 (1998) 205-221
14. Elsner L. Über das Verhalten regulinischer Mettale in einer wässrigen Lösung von Cyankalium. Journal für Praktische Chemie 37 (1846) 441-446 10.1002/prac.18460370167
15. Filmer A.O. The dissolution of gold from roasted pyrite concentrations. The Journal of the Southern African Institute of Mining and Metallurgy 82 (1982) 90-94
16. Guo H., Deschenes G., Pratt A., Fulton M., and Lastra R. Leaching kinetics and mechanisms of surface reactions during cyanidation of gold in the presence of pyrite and stibnite. Minerals and Metallurgical Processing 22 (2005) 89-95
17. Habashi F. Kinetics and mechanism of gold and silver dissolution in cyanide solution. Montana Bureau of Mines and Geology Bulletin vol. 59 (1967), Montana Bureau of Mines and Geology, Butte, Montana, USA
18. Hedley N., and Tabachnick H. Mineral Dressing Notes No 23, Chemistry of Cyanidation (1968), American Cyanamid Company, New Jersey, USA
19. Jeffrey M.I., and Breuer P.L. The cyanide leaching of gold in solutions containing sulfide. Minerals Engineering 13 (2000) 1097-1106
20. Jeffrey, M.I., Ritchie, I.M., 2000. The leaching of gold in cyanide solutions in the presence of impurities II. The effect of silver. Journal of the Electrochemical Society 147, 3272-3276.
21. Levich V.G. Physicochemical Hydrodynamics (1962), Prentice Hall, Englewood Cliffs, NJ
22. Li J., Dabrowski B., Miller J.D., Acar S., Dietrich M., LeVier K.M., and Wan R.Y. The influence of pyrite pre-oxidation on gold recovery by cyanidation. Minerals Engineering 19 (2006) 883-895
23. Liu G.Q., and Yen W.T. Effects of sulfide minerals and dissolved oxygen on the gold and silver dissolution in cyanide solution. Minerals Engineering 8 (1995) 111-123
24. Lorenzen L., and van Deventer J.S.J. Electrochemical interactions between gold and its associated minerals during cyanidation. Hydrometallurgy 30 (1992) 177-194
25. Lustemberg P.G., Vericat C., Benitez G.A., Vela M.E., Tognalli N., Fainstein A., Martiarena M.L., and Salvarezza R.C. Spontaneously formed sulfur layers on gold in electrolyte solutions: adsorbed sulfur or gold sulfide?. The Journal of Physical Chemistry C. 112 (2008) 11394-11402
26. Luthy R.G., and Bruce S.G. Kinetics of reaction of cyanide and reduced sulfur species in aqueous solution. Environmental Science & Technology 13 (1979) 1481-1487
27. MacArthur J.S., Forrest R.W., and Forrest W. Improvements in Obtaining Gold and Silver from Ores and Other Compounds. British Patent 14 174 (1887)
28. Madhuchhanda M., Devi N.B., Rao K.S., Rath P.C., and Paramguru R.K. Galvanic interaction between sulfide minerals and pyrolusite. Journal of Solid State Electrochemistry 4 (2000) 189-198
29. Marsden J.O., and House C.I. The Chemistry of Gold Extraction (1992), Ellis & Horwood, London
30. Marsden J.O., and House C.I. The Chemistry of Gold Extraction. 2nd Edition (2006), Society for Mining, Metallurgy and Exploration (SME), Littleton, Co, USA
31. Osseo-Asare K., Xue T., and Ciminelli V.S.T. Solution chemistry of cyanide leaching systems. Precious Metals: Mining Extraction and Processing (1984), The Metallurgical Society/AIME, Warrendale, Pennsylvania 173-197
32. Paul R.L. The role of electrochemistry in the extraction of gold. Journal of Electroanalytical Chemistry 168 (1984) 147-162
33. Peters E. Direct leaching of sulphides: chemistry and applications. Metallurgical Transactions B 7 (1976) 505-517
34. Petre C.F., Azizi A., Olsen C., Baçaoui A., and Larachi F. Capillary electrophoretic analysis of sulfur and cyanicides speciation during cyanidation of gold complex sulfidic ores. Journal of Separation Science 31 (2008) 3902-3910
35. Qing You L., Heping L., and Li Z. Study of galvanic interactions between pyrite and chalcopyrite in a flowing system: implications for the environment. Environmental Geology 52 (2007) 11-18
36. Rand D.J.A. Oxygen reduction on sulfide minerals. Part III. Comparison of activities of various copper, iron, lead, and nickel mineral electrodes. Journal of Electroanalytical Chemistry 83 (1977) 19-32
37. Weichselbaum J., Tumilty J.A., and Schmidt C.G. The effect of sulphide and lead on the rate of gold cyanidation. Proceedings Aus. I.M.M. Annual conference Perth/Kalgoorlie (1989), Australasian Institute of Mining and Metallurgy, Melbourne 221-224
38. Zhang Y., Fang Z.H., and Muhammed M. On the solution chemistry of cyanidation of gold and silver bearing sulphide ores. A critical evaluation of thermodynamic calculations. Hydrometallurgy 46 (1997) 251-269
39. Zhu X., Li J., and Wastworth M.E. Kinetics of transpassive oxidation of pyrite. In: Hager J.P. (Ed). EPD Congress (1993), The Minerals, Metals & Materials Society 355-368