Role of iron-oxidizing bacteria in stimulation or inhibition of chalcopyrite bioleaching

Hydrometallurgy

Volumn 57, Issue 3, 2000, Pages 225-233

  Third, K A ^a,b   Cord Ruwisch, R ^a   Watling, H R ^b  

^a MURDOCH UNIVERSITY   (Australia)

^b CSIRO   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIA; IRON; LEACHING; OXIDATION;

BIOLEACHING; CHALCOPYRITE;

HYDROMETALLURGY;

EID: 0034288114     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(00)00115-8     Document Type: Article

References (17)

1. J.E. Dutrizac, The kinetics of dissolution of chalcopyrite in ferric iron media, Metall. Trans. B 9 (1978) 431-439.
2. L.E. Murr, Theory and practice of copper sulphide leaching in dumps and in-situ, Miner. Sci. Eng. 12 (1980) 121-189.
3. F.B. Mateos, I.P. Perez, F.C. Mora, The passivation of chalcopyrite subjected to ferrie sulphate leaching and its reactivation with metal sulphides, Hydrometallurgy 19 (1987) 159-167.
4. T. Hirato, H. Majima, Y. Awakura, The leaching of chalcopyrite with ferric sulfate, Metall. Trans. B 18 (1987) 489-496.
5. A.J. Parker, R.L. Paul, G.P. Power, Electrochemical aspects of leaching copper from chalcopyrite in ferric and cupric salt solutions, Aust. J. Chem. 34 (1981) 13-34.
6. T. Biegler, M.D. Home, The electrochemistry of surface oxidation of chalcopyrite, J. Electrochem. Soc. 132 (1985) 1363-1369.
7. J.E. Dutrizac, The dissolution of chalcopyrite in ferric sulphate and ferric chloride media, Metall. Trans. B 12 (1981) 371-378.
8. N. Hiroyoshi, M. Hirota, T. Hirajima, M. Tsunekawa, A case of ferrous sulphate addition enhancing chalcopyrite leaching, Hydrometallurgy 47 (1997) 37-45.
9. E. Almendras, F. Arriagada, S. Bustos, L. Herrera, P. Ruiz, T. Vargas, J. Wiertz, R. Badilla-Ohlbaum, Surface transformation and electrochemical response of chalcopyrite in a bacterial leaching process, in: P. Norris, D.P. Kelly (Eds.), Proceedings of the 7th International Symposium, Warwick, Science and Technology Letters, Surrey, UK, Biohydrometallurgy 1987, pp. 259-271.
10. N. Hiroyoshi, M. Hirota, T. Hirajima, M. Tsunekawa, Inhibitory effect of iron-oxidizing bacteria on ferrous-promoted chalcopyrite leaching, Biotechnol. Bioeng. 64 (1999) 478-483.
11. L. Ahonen and, O.H. Tuovinen, Redox potential-controlled bacterial leaching of chalcopyrite ores, in: A.E. Torma, J.E. Wey, V.L. Lakshmanan (Eds.), The Minerals, Metals and Materials Society, Jackson Hole, WY, USA, Biohydrometall. Technol. vol. 21993, pp. 571-578.
12. E. Gomez, M.L. Blazquez, A. Ballester, F. Gonzalez, Study by SEM and EDS of chalcopyrite bioleaching using a new thermophilic bacteria, Miner. Eng. 9 (1996) 985-999.
13. P. Devasia, K.A. Natarajan, G.R. Rao, Role of bacterial growth conditions and adhesion in the bioleaching of chalcopyrite by Thiobacillus ferrooxidans, Miner. Metall. Process. 13 (1996) 82-86.
14. G. Karan, K.A. Natarajan, J.M. Modak, Estimation of mineral-adhered biomass of Thiobacillus ferrooxidans by protein assay -some problems and remedies, Hydrometallurgy 42 (1996) 169-175.
15. M. Bradford, A rapid and sensitive method for the quantification of microgram quantities of protein utilising the principle of protein-dye binding, Anal. Biochem. 72 (1976) 248-253.
16. Activon Scientific Products, Activon Electrode Catalogue, Pennant Hills, NSW, 1992.
17. H. Kametani, A. Aoki, Effect of suspension potential on the oxidation rate of copper concentrate in a sulphuric acid solution, Metall. Trans. B 16 (1985) 695-705.