The role of galena associated with silver-enhanced pyrite in the kinetics of chalcopyrite leaching during the Galvanox™ process

Hydrometallurgy

Volumn 111-112, Issue 1, 2012, Pages 35-45

  Nazari, G ^a   Dixon, D G ^a   Dreisinger, D B ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

Author keywords

Atmospheric leaching; Chalcopyrite; Galena; Galvanox process; Kinetics; Morphology; Pyrite; Silver

Indexed keywords

ATMOSPHERIC LEACHING; CHALCOPYRITE; CHALCOPYRITE LEACHING; ELECTRON DIFFRACTION X-RAY; ELEMENTAL COMPOSITIONS; GALENA; HIGH COSTS; LEACHING EXPERIMENTS; LEACHING TEST; MINIMAL EFFECTS; SECONDARY ELECTRON MICROSCOPY; SILVER IONS;

CATALYSTS; COPPER COMPOUNDS; ENZYME KINETICS; KINETICS; METAL IONS; MORPHOLOGY; PYRITES; RECYCLING; SILVER; SULFUR;

LEACHING;

EID: 84856549372     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2011.09.011     Document Type: Article

References (27)

1. L. Ahonen, and O.H. Touvinen Catalytic effects of silver in the microbiological leaching of finely ground chalcopyrite-containing ore materials in shake flasks Hydrometallurgy 24 1990 219 236 (Pubitemid 20675460)
2. P.K. Abraitis, R.A.D. Pattrick, and D.J. Vaughan Variation in compositional, textural and electrical properties of natural pyrite: a review Int. J. Miner. Process. 74 2004 41 59
3. A. Ballester, F. Gonzalez, M.L. Blazquez, and J.L. Mier The influence of various ions in the bioleaching of metal sulfides Hydrometallurgy 23 1990 221 235 (Pubitemid 20690762)
4. A. Ballester, M.L. Blazquez, F. Gonzalez, and J.A. Munoz Catalytic role of silver and other ions on the mechanism of chemical and bioleaching leaching E.R. Donati, W. Sand, Microbial Processing of Metal Sulfides 2007 77 101
5. V.K. Berry, L.E. Murr, and J.B. Hiskey Galvanic interaction between chalcopyrite and pyrite during bacterial leaching of low grade waste Hydrometallurgy 3 1978 309 326 (Pubitemid 9416528)
6. T. Biegler, and D.A. Swift Anodic electrochemistry of chalcopyrite J. Appl. Electrochem. 9 1979 545 554
7. E.M. Cordoba, J.A. Munoz, M.L. Blazquez, F. Gonzalez, and A. Ballester Leaching of chalcopyrite with ferric ion. Part III: effect of redox potential on the silver-catalyzed process Hydrometallurgy 93 2008 97 105
8. R. Cruz, R.M. Luna-Sanchez, G.T. Lapidus, I. Gonzalez, and M. Monroy An experimental strategy to determine galvanic interactions affecting the reactivity of sulfide mineral concentrates Hydrometallurgy 78 2005 198 208 (Pubitemid 40908806)
9. TM- a novel process for recovery of copper from primary copper concentrates Can. Metall. Q. 47 2008 327 336
10. R.P. Hackl, D.B. Dreisinger, E. Peters, and J.A. King Passivation of chalcopyrite during oxidative leaching in sulfate media Hydrometallurgy 39 1995 25 48
11. D.L. Jones, and E. Peters Leaching of chalcopyrite with ferric sulfate and ferric chloride Extr. Metall. Coppr, Int. Symp. 2 1976 633 653
12. T.I. Markovich, and A.B. Ptitsyn Physical and chemical principles of ore dressing J. Min. Sci. 34 1998 325 332
13. A.P. Mehta, and L.E. Murr Fundamental studies of the contribution of galvanic interaction to acid-bacterial leaching of mixed metal sulfides Hydrometallurgy 9 1983 235 256 (Pubitemid 13511419)
14. J.D. Miller, P.J. McDonough, and H.Q. Portillo Electrochemistry in silver catalyzed ferric sulfate leaching of chalcopyrite M.C. Kuhn, Process and Fundamental Considerations of Selected Hydrometallurgical Systems 1981 SME-AIME New York 327 338 (Pubitemid 12434390)
15. J.D. Miller, and H.Q. Portillo Silver catalysis in ferric sulfate leaching of chalcopyrite. Mineral Processing J. Laskowski, XIII International Min Proc Conf. 1979 Elsevier Amsterdam 851 901
16. J.A. Munoz, D.B. Dreisinger, W.C. Cooper, and S.K. Young Interaction of silver ions with sulphide minerals with special emphasis on the chalcopyrite/pyrite galvanic couple Can. Metall. Q. 47 2008 259 268
17. G. Nazari, D.G. Dixon, and D.B. Dreisinger Enhancing the kinetics of chalcopyrite leaching in the Galvanox™ process Hydrometallurgy 105 2011 251 258
18. D. Nova, and I. Gonzalez The influence of galena galvanic interaction on the reactivity of chalcopyrite floatation concentrate ECS Trans. 2 2006 255 264 (Pubitemid 43952551)
19. P. Nowak, E. Krauss, and A. Pomianowski The electrochemical characteristics of the galvanic corrosion of sulphide minerals in short-circuited model galvanic cells Hydrometallurgy 12 1984 95 110 (Pubitemid 14547372)
20. I. Palencia, R. Romero, and F. Carranza Silver catalyzed IBES process: application to a Spanish copper-zinc sulfide concentrate. Part 2. Biooxidation of the ferrous iron and catalyst recovery Hydrometallurgy 48 1998 101 112 (Pubitemid 128416297)
21. D.W. Price, G.W. Warren, and B. Drouven The electrochemical behaviour of silver sulphide in sulfuric acid solutions J. Appl. Electrochem. 16 1986 719 731 (Pubitemid 16634686)
22. R. Romero, I. Palencia, and F. Carranza Silver catalyzed IBES process: application to a Spanish copper-zinc sulphide concentrate Part 3. Selection of the operational parameters for a continuous pilot plant Hydrometallurgy 49 1998 75 86 (Pubitemid 128414321)
23. M.J. Scaini, G.M. Bancroft, J.W. Lorimer, and L.M. Maddox The interaction of aqueous silver species with sulphur-containing minerals as studied by XPS, AES, SEM, and electrochemistry Geochim. Cosmochim. Acta 59 1995 2733 2747 (Pubitemid 26455382)
24. 2: comparison to natural samples Geochim. Cosmochim. Acta 61 1997 1223 1231
25. L.B. Sukla, G.R. Chaudhury, and R.P. Das Effect of silver ion on kinetics of biochemical leaching of chalcopyrite concentrate Trans. Inst. Min. Metall. 99 1990 C43 C46
26. Tshilombo, A.F. 2004. Mechanism and kinetics of chalcopyrite passivation and depassivation during ferric and microbial leaching. PhD Thesis.
27. S. Venkatachalam Treatment of chalcopyrite concentrates by hydrometallurgical techniques Miner. Eng. 4 1991 1115 1126 (Pubitemid 21664707)