A comparison of bioleaching of covellite using pure cultures of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans or a mixed culture of Leptospirillum ferrooxidans and Acidithiobacillus thiooxidans

Hydrometallurgy

Volumn 71, Issue 1-2, 2003, Pages 31-36

  Falco, L ^a   Pogliani, C ^a   Curutchet, G ^a   Donati, E ^a  

^a FACULTAD DE CIENCIAS EXACTAS   (Argentina)

Author keywords

At. ferrooxidans; At. thiooxidans; Covellite; L. ferrooxidans; Mixed culture

Indexed keywords

BACTERIA; COPPER METALLURGY; LEACHING; METAL RECOVERY; OXIDATION; SOLUBILITY;

BIOLEACHING;

HYDROMETALLURGY;

EID: 0141903942     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(03)00170-1     Document Type: Conference Paper

References (19)

1. Breed A.W., Hansford G.S. Effect of pH on ferrous-iron oxidation kinetics of Leptospirillum ferrooxidans in continuous culture. Biochemical Engineering Journal. 3:1999;193-201.
2. Crundwell F.K. Formation of biofilms of iron-oxidizing bacteria on pyrite. Minerals Engineering. 9:1996;1081-1089.
3. Curutchet G., Pogliani C., Donati E. Indirect bioleaching of covellite by Thiobacillus thiooxidans with an oxidant agent. Biotechnology Letters. 17:1995;1251-1256.
4. Donati E., Curutchet G., Pogliani C., Tedesco P. Bioleaching of covellite using pure and mixed cultures of Thiobacillus ferrooxidans and Thiobacillus thiooxidans. Process Biochemistry. 31:1996;129-134.
5. Espejo R.T., Romero J. Bacterial community in copper sulfide ores inoculated and leached with solution from a commercial-scale copper leaching plant. Applied and Environmental Microbiology. 63:1997;1344-1348.
6. Kelly D.P., Wood A.P. Reclassification of some species of Thiobacillus to the newly designated genera Acidithiobacillus gen.nov., Halothiobacillus gen.nov. and Thermithiobacillus gen.nov. International Journal of Systematic and Evolutionary Microbiology. 50:2000;511-516.
7. Lawson E.N. The composition of mixed populations of leaching bacteria active in gold and nickel recovery from sulphide ores. Biotechnology Comes of Age. 1997;QP4.1-QP4.10 Australian Mineral Foundation, Glenside, South Australia.
8. Monteiro V.F., Garcia O. Jr., Tuovinen O.H. Oxidative dissolution of covellite by Thiobacillus ferrooxidans. Amils R., Ballester A. Biohydrometallurgy and the Environment toward the Mining of the 21st century, Part A. 1999;283-290 Elsevier, Amsterdam.
9. Pizarro J., Jedlicki E., Orellana O., Romero J., Espejo R.T. Bacterial populations in samples of bioleached copper ore as revealed by analysis of DNA obtained before and after cultivation. Applied and Environmental Microbiology. 62:1996;1323-1328.
10. Pogliani C., Donati E. Enhancement of copper dissolution from a sulphide ore using Thiobacillus thiooxidans. Geomicrobiology Journal. 17:2000;35-42.
11. Pogliani C., Donati E. Immobilisation of Thiobacillus ferrooxidans: importance of jarosite formation. Process Biochemistry. 35:2000;997-1004.
12. Rawlings D.E. Biomining: Theory, Microbes and Industrial Processes. 1997;229-258 Springer-Verlag, Berlin.
13. Rawlings D.E. Industrial practice and the biology of leaching of metals from ores. The 1997 Pan Labs Lecture. Journal of Industrial Microbiology and Biotechnology. 20:1998;268-274.
14. Rawlings D.E., Silver S. Mining with microbes. Biotechnology. 12:1995;773-778.
15. Rawlings D.E., Coram N.J., Gardner M.N., Deane S.M. Thiobacillus caldus and Leptospirillum ferrooxidans are widely distributed in continuous flow biooxidation tanks used to treat a variety of metal containing ores and concentrates. Amils R., Ballester A. Biohydrometallurgy and the Environment Toward the Mining of the 21st Century, Part A. 1999;777-787 Elsevier, Amsterdam.
16. Sand W., Gehrke T., Hallmann R., Schippers A. Sulfur chemistry, biofilm, and the (in)direct attack mechanism - a critical evaluation of bacterial leaching. Applied Microbiology and Biotechnology. 43:1995;961-966.
17. Sand W., Gehrke T., Jozsa P.-G., Schippers A. Direct versus indirect bioleaching. Amils R., Ballester A. Biohydrometallurgy and the Environment Toward the Mining of the 21st Century, Part A. 1999;27-49 Elsevier, Amsterdam.
18. Silverman M.P., Lundgren D.G. Studies on the chemoautotrophic iron bacterium Thiobacillus ferrooxidans: I. An improved medium and a harvesting procedure for securing high cellular yields. Journal of Bacteriology. 77:1959;642-647.
19. Vazquez M., Espejo R.T. Chemolithotrophic bacteria in copper ores leached at high sulfuric acid concentration. Applied and Environmental Microbiology. 63:1997;332-334.