A method for evaluating the proportion of free and attached bacteria in the bioleaching of chalcopyrite with Thiobacillus ferrooxidans

Hydrometallurgy

Volumn 40, Issue 1-2, 1996, Pages 1-10

  Escobar, B ^a   Jedlicki, E ^b   Wiertz, J ^a   Vargas, T ^a  

^a DEPARTAMENTO DE FÍSICA   (Chile)

^b UNIVERSITY OF CHILE   (Chile)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIA; GROWTH KINETICS; IRON; LEACHING; OXIDATION; RADIOACTIVE MATERIALS; SODIUM COMPOUNDS; SURFACES;

BACTERIAL GROWTH; BIOLEACHING; CHALCOPYRITE; FERROUS IRON OXIDATION;

SULFIDE MINERALS;

EID: 0029779822     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/0304-386X(95)00005-2     Document Type: Article

References (12)

1. Kumar, S.R., Gandhi, K.S. and Natarajan, K.A., Role of cell attachment in leaching of chalcopyrite mineral by Thiobacillus ferrooxidans. Appl. Microbiol. Biotechnol., 36 (1991): 278-282.
2. Dispirito, A.A., Dugan, P.R. and Tuovinen, O.H., Sorption of Thiobacillus ferrooxidans to particulate material. Biotechnol. Bioeng., 25 (1983): 1163-1168.
3. Helle, U. and Onken, U., Continuous bacterial leaching of a pyritic flotation concentrate by mixed cultures. In: P.R. Norris and D.P. Kelly (Editors), Biohydrometallurgy, Proc. of the Int. Symp. (Warwick), Science and Technology Letters, Kew, Surrey, (1987), pp. 61-75.
4. Palencia, I., García, M.J., Alba, J. and Carranza, F., Effects of pH and high density cultures on the silver catalyzed leaching of Chalcopyrite. In: P.R. Norris and D.P. Kelly (Editors), Biohydrometallurgy, Proc. of the Int. Symp. (Warwick), Science and Technology Letters, Kew, Surrey, (1987), pp. 287-303.
5. Merrettig, U., Wlotzca, P. and Onken, U., Removal of pyritic sulfur from coal by Leptospirillum-like bacteria. In: J. Salley, R.G.L. McCready and P.L. Wichlacz (Editors), Biohydrometallurgy, Proc. of the Int. Symp. (Jackson Hole, Wyoming) (1989), pp. 761-771.
6. Norris, P.R., Barr, D.W. and Hinson, H., Iron and mineral oxidation by acidophilic bacteria: affinities for iron and attachment to pyrite. In: P.R. Norris and D.P. Kelly (Editors), Biohydrometallurgy, Proc. of the Int. Symp. (Warwick), Science and Technology Letters, Kew, Surrey, (1987), pp. 43-59.
7. Espejo, R.T., Escobar, B., Jedlicki, E., Uribe, P. and Badilla-Ohlbaum, R., Oxidation of ferrous iron and elemental sulfur by Thiobacillus ferrooxidans. Appl. Environ. Microbiol., 54 (1988): 1694-1699.
8. Yeh, T.Y., Goshalk, J.R., Olson, G.J. and Kelly, P.R., Use of epifluorescence microscopy for characterizing the activity of Thiobacillus ferrooxidans on iron pyrite. Biotechnol. Bioeng., 30 (1987): 138-146.
9. Espejo, R.T. and Ruiz, P., Growth of free and attached T. ferrooxidans in an ore suspension. Biotechnol. Bioeng., 30 (1987): 586-592.
10. Muir, M.K. and Anderson, T., Determination of ferrous iron in copper process metallurgical solutions by o-phenanthroline colorimetric method. Metallurg. Trans., 8B (1977): 517-518.
11. Espejo, R.T. and Romero, P., Growth of Thiobacillus ferrooxidans on elementary sulfur. Appl. Environ. Microbiol., 53 (1987): 1907-1912.
12. Vargas, T., Wiertz, J., Escobar, B. and Badilla-Ohlbaum, R., The catalytic role of Thiobacillus ferrooxidans in the leaching of pure natural chalcopyrite. In: D.R. Gaskell (Editor), EPD Congress 90. Miner. Met. Mater. Soc., Warrendale, Pa. (1990), pp. 229-238.