Electrochemical simulation of redox potential development in bioleaching of a pyritic chalcopyrite concentrate

Hydrometallurgy

Volumn 144-145, Issue , 2014, Pages 7-14

  Khoshkhoo, Mohammad ^a   Dopson, Mark ^b   Shchukarev, Andrey ^c   Sandström, Åke ^a  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

^b LINNAEUS UNIVERSITY   (Sweden)

^c UMEÅ UNIVERSITY   (Sweden)

Author keywords

Bioleaching; Chalcopyrite; Electrochemical cell; Redox potential; XPS

Indexed keywords

CHALCOPYRITE; CHALCOPYRITE LEACHING; ELECTROCHEMICAL EXPERIMENTS; ELECTROCHEMICAL SIMULATION; MODERATELY THERMOPHILIC; PYRITIC CHALCOPYRITES; REDOX POTENTIALS; SURFACE CHARACTERISATION;

COPPER; COPPER CORROSION; DISSOLUTION; ELECTROCHEMICAL CELLS; EXPERIMENTS; MICROORGANISMS; MINERALS; PASSIVATION; PHOTOELECTRONS; REDOX REACTIONS; SECONDARY BATTERIES; X RAY PHOTOELECTRON SPECTROSCOPY;

BIOLEACHING;

EID: 84893828943     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2013.12.003     Document Type: Article

References (27)

1. R.G. Acres, S.L. Harmer, H.W. Shui, C. Chen, and D.A. Beattie Synchrotron scanning photoemission microscopy of homogeneous and heterogeneous metal sulfide minerals J. Synchrotron Radiat. 18 2011 649 657
2. D.R. Baer, M.H. Engelhard, D.J. Gaspar, A.S. Lea, and C.F. Windisch Use and limitations of electron flood gun control of surface potential during XPS: two non-homogeneous sample types Surf. Interface Anal. 33 2002 781 790 (Pubitemid 35295376)
3. E.M. Córdoba, J.A. Muñoz, M.L. Blázquez, F. González, and A. Ballester Leaching of chalcopyrite with ferric ion. Part II: Effect of redox potential Hydrometallurgy 93 2008 88 96
4. F.K. Crundwell How do bacteria interact with minerals? Hydrometallurgy 71 2003 75 81
5. G. Debernardi, and C. Carlesi Chemical-electrochemical approaches to the study passivation of chalcopyrite Miner. Process. Extr. Metall. Rev. 34 2013 10 41
6. D.G. Dixon, D.D. Mayne, and K.G. Baxter Galvanox - a novel galvanically-assisted atmospheric leaching technology for copper concentrate Can. Metall. Q. 47 2008 327 336
7. M. Dopson, and E.B. Lindström Analysis of community composition during moderately thermophilic bioleaching of pyrite, arsenical pyrite, and chalcopyrite Microb. Ecol. 48 2004 19 28 (Pubitemid 39160985)
8. T.A. Fowler, and F.K. Crundwell Leaching of zinc sulfide byThiobacillus ferrooxidans: bacterial oxidation of the sulfur product layer increases the rate of zinc sulfide dissolution at high concentrations of ferrous ions Appl. Environ. Microbiol. 65 1999 5285 5292 (Pubitemid 129520611)
9. T.A. Fowler, P.R. Holmes, and F.K. Crundwell Mechanism of pyrite dissolution in the presence ofThiobacillus ferrooxidans Appl. Environ. Microbiol. 65 1999 2987 2993 (Pubitemid 29315570)
10. C. Gómez, M. Figueroa, J. Muñoz, M.L. Blázquez, and A. Ballester Electrochemistry of chalcopyrite Hydrometallurgy 43 1996 331 344 (Pubitemid 126362416)
11. P.I. Harvey, and F.K. Crundwell Growth of Thiobacillus ferrooxidans: a novel experimental design for batch growth and bacterial leaching studies Appl. Environ. Microbiol. 63 1997 2586 2592 (Pubitemid 27292846)
12. W. Hazeu, d.V. Batenburg-van, P. Bos, R.K. Pas, and J.G. Kuenen The production and utilization of intermediary elemental sulfur during the oxidation of reduced sulfur compounds byThiobacillus ferrooxidans Arch. Microbiol. 150 1988 574 579
13. N. Hiroyoshi, M. Tsunekawa, H. Okamoto, R. Nakayama, and S. Kuroiwa Improved chalcopyrite leaching through optimization of redox potential Can. Metall. Q. 47 2008 253 258
14. N. Hiroyoshi, S. Kuroiwa, H. Miki, M. Tsunekawa, and T. Hirajima Synergistic effect of cupric and ferrous ions on active-passive behavior in anodic dissolution of chalcopyrite in sulfuric acid solutions Hydrometallurgy 74 2004 103 116
15. N. Hiroyoshi, H. Miki, T. Hirajima, and M. Tsunekawa Enhancement of chalcopyrite leaching by ferrous ions in acidic ferric sulfate solutions Hydrometallurgy 60 2001 185 197 (Pubitemid 32279513)
16. N. Hiroyoshi, H. Miki, T. Hirajima, and M. Tsunekawa A model for ferrous-promoted chalcopyrite leaching Hydrometallurgy 57 2000 31 38
17. H. Kametani, and A. Aoki Effect of suspension potential on the oxidation rate of copper concentrate in a sulfuric acid solution Metall. Mater. Trans. B 16 1985 695 705 (Pubitemid 15599685)
18. C. Klauber A critical review of the surface chemistry of acidic ferric sulphate dissolution of chalcopyrite with regards to hindered dissolution Int. J. Miner. Process. 86 2008 1 17 (Pubitemid 351288978)
19. S.M.J. Koleini, V. Aghazadeh, and A. Sandström Acidic sulphate leaching of chalcopyrite concentrates in presence of pyrite Miner. Eng. 24 2011 381 386
20. Y. Li, N. Kawashima, J. Li, A.P. Chandra, and A.R. Gerson A review of the structure and fundamental mechanisms and kinetics of the leaching of chalcopyrite Adv. Colloid Interf. Sci. 197-198 2013 1 32
21. A. Parker, C. Klauber, A. Kougianous, H.R. Walting, and W. vab Bronswijk An X-ray photoelectron spectroscopy study of the mechanism of oxidative dissolution of chalcopyrite Hydrometallurgy 71 2003 265 276
22. Å. Sandström, A. Shchukarev, and J. Paul XPS characterisation of chalcopyrite chemically and bio-leached at high and low redox potential Miner. Eng. 18 2004 505 515 (Pubitemid 40339833)
23. A. Shchukarev XPS at solid-aqueous solution interface Adv. Colloid Interf. Sci. 122 2006 149 157 (Pubitemid 44404026)
24. R.C. Smart, J. Amarantidis, W. Skinner, C. Prestidge, L. Vanier, and S. Grano Surface analytical studies of oxidation and collector adsorption in sulfide mineral flotation K. Wandelt, S. Thurgate, Solid-Liquid Interfaces 2003 Springer Berlin Heidelberg 3 62
25. K.A. Third, R. Cord-Ruwisch, and H.R. Watling Control of the redox potential by oxygen limitation improves bacterial leaching of chalcopyrite Biotechnol. Bioeng. 78 2002 433 441 (Pubitemid 34712363)
26. K.A. Third, R. Cord-Ruwisch, and H.R. Watling The role of iron-oxidizing bacteria in stimulation or inhibition of chalcopyrite bioleaching Hydrometallurgy 57 2000 225 233
27. A.F. Tshilombo Mechanism and kinetics of chalcopyrite passivation and depassivation during ferric and microbial leaching [PhD Thesis] 2004 UBC