Electrochemical passivation of sphalerite during bacterial oxidation in the presence of galena

Minerals Engineering

Volumn 16, Issue 3, 2003, Pages 199-203

  Da Silva, G ^a,b   Lastra, M R ^a   Budden, J R ^a  

^a BHP Billiton Innovation   (Australia)

^b UNIVERSITY OF NEWCASTLE   (Australia)

Author keywords

Bioleaching; Biooxidation; Redox reactions; Sulphide ores

Indexed keywords

DIFFUSION; ELECTROCHEMISTRY; LEACHING; LEAD COMPOUNDS; ORES; OXIDATION; PASSIVATION; SULFIDE MINERALS;

BACTERIAL OXIDATION; ELECTROCHEMICAL PASSIVATION; GALENA; LEAD SULPHATE; SPHALERITE;

ZINC SULFIDE;

EID: 0037368555     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0892-6875(03)00010-4     Document Type: Article

References (16)

1. Attia, Y.A., El-Zeky, M.A., 1990a. Bioleaching of non-ferrous sulfides with adapted thiophillic bacteria. The Chemical Engineering Journal 44, B31-B40.
2. Attia, Y.A., El-Zeky, M.A., 1990b. Effect of galvanic interaction of sulfides on extraction of precious metals from refractory complex sulfides by bioleaching. International Journal of Mineral Processing 30, 99-111.
3. Bang, S., Deshpande, S., Han, K., 1995. The oxidation of galena using thiobacillus ferrooxidans. Hydrometallurgy 37, 181-192.
4. Berry, V.K., Murr, L.E., Hiskey, J.B., 1978. Galvanic interaction between chalcopyrite and pyrite during bacterial leaching of low-grade waste. Hydrometallurgy 3, 309-326.
5. Boon, M., Heijnen, J.J., 1993. Mechanisms and rate limiting steps in bioleaching of sphalerite chalcopyrite and pyrite with thiobacillus ferrooxidans. In: Torma, A.E., Wey, J.E., Lakshmanan, V.L. (Eds.), Biohydrometallurgical Technologies. The Minerals, Metals and Materials Society, pp. 217-235.
6. Boon, M., Snijder, M., Hansford, G.S., Heijnen, J.J., 1998. The oxidation kinetics of zinc sulphide with thiobacillus ferrooxidans. Hydrometallurgy 48, 171-186.
7. Dutrizac, J.E., Chen, T.T., 1995. The leaching of galena in ferric sulfate media. Metallurgical and Materials Transactions B 26B (2), 219-227.
8. Fowler, T.A., Crundwell, F.K., 1998. Leaching of zinc sulfide by thiobacillus ferrooxidans: experiments with a controlled redox potential indicate no direct bacterial mechanism. Applied and Environmental Microbiology 64 (10), 3570-3575.
9. Harvey, T.J., Yen, W.T., 1998. The influence of chalcopyrite, galena and pyrite on the selective extraction of zinc from base metal sulphide concentrates. Minerals Engineering 11 (11), 1-21.
10. Mandre, N.R., Sharma, T., 1993. Preferential leaching of lead zinc complex sulphide ore using ferric chloride. International Journal of Mineral Processing 39, 75-85.
11. Mehta, A.P., Murr, L.E., 1982. Kinetic study of sulfide leaching by galvanic interaction between chalcopyrite, pyrite, and sphalerite in the presence of T. ferrooxidans (30 °C) and a thermophilic microorganism (55 °C). Biotechnology and Bioengineering 24, 919-940.
12. Natarajan, K.A., 1992. Electrobioleaching of base metal sulfides. Metallurgical Transactions B 23B, 5-11.
13. Tomizuka, N., Yagisawa, M., 1978. Optimum conditions for leaching of uranium and oxidation of lead sulfide with thiobacillus ferrooxidans and recovery of metals from bacterial leaching solution with sulfate-reducing bacteria. In: Murr, L.E., Torma, A.E., Brierley, J.A. (Eds.), Metallurgical Applications of Bacterial Leaching and Related Microbiological Phenomena. Academic Press, New York, pp. 321-344.
14. Torres, F., Blázquez, M.L., González, F., Ballester, A., Mier, J.L., 1995. The bioleaching of different sulfide concentrates using thermophilic bacteria. Metallurgical and Materials Transactions B 26B, 455-465.
15. Vizsolyi, A., Veltman, H., Forward, F.A., 1963. Aqueous oxidation of galena in acid media under pressure. Transactions of the Metallurgical Society of AIME 227, 215-220.
16. Won, K.J., 1967. Direct acid leaching of zinc from marmatite ores 3. Journal of the Korean Chemical Society 11 (1), 38-43.