Bioleaching of chalcopyrite with thermophiles: Temperature-pH-ORP dependence

International Journal of Mineral Processing

Volumn 88, Issue 1-2, 2008, Pages 37-44

  Vilcaez J ^a   Suto, K ^a   Inoue, C ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Bioleaching; Chalcopyrite; Thermophiles

Indexed keywords

COPPER; COPPER COMPOUNDS; EXTRACTION; IRON;

COPPER EXTRACTION; OXIDATION-REDUCTION POTENTIAL (ORP); TEMPERATURE CONDITIONS;

SULFIDE MINERALS;

EID: 48149108905     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2008.06.002     Document Type: Article

References (16)

1. Córdoba, E.M., Muñoz, J.A., Blázquez, M.L., González, F., Ballester, A., in press. Leaching of chalcopyrite with ferric ion. Part IV: The role of redox potential in the presence of mesophilic and thermophilic bacteria. Hydrometallurgy.
2. Dutrizac J.E., and Jambor J.L. Jarosites and their application in hydrometallurgy. Reviews in mineralogy and Geochemistry vol. 40 (2000), Mineralogy Society of America, Washington DC, USA 405-452
3. Gómez C., Figueroa M., Muñoz J., Blázques M.L., and Ballester A. Electrochemistry of chalcopyrite. Hydrometallurgy 43 (1996) 331-344
4. Gómez E., Ballester A., Blázques M.L., and González F. Silver-catalysed bioleaching of a chalcopyrite concentrate with mixed cultures of moderately thermophilic microorganisms. Hydrometallurgy 51 (1999) 37-46
5. Hiroyoshi N., Miki H., Hirajima T., and Tsunekawa M. Enhancement of chalcopyrite leaching by ferrous ions in acidic ferric sulphate solution. Hydrometallurgy 60 (2001) 185-197
6. Hiroyoshi N., Kuroiwa S., Miki H., Tsunekawa M., and Hirajima T. Effects of coexisting metal ions on the redox potential dependence of chalcopyrite leaching in sulphuric acid solutions. Hydrometallurgy 87 (2007) 1-10
7. Jordan H., Sanhueza A., Gautier V., Escobar B., and Vargas T. Electrochemical study of the catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite at 70 °C. Hydrometallurgy 83 (2006) 55-62
8. Kametani H., and Aoki A. Effect of suspension potential on the oxidation rate of copper concentration in sulphuric acid conditions. Metallurgical Transaction 16B (1985) 695-705
9. Konishi Y., Asai S., and Tokushige M. Kinetics of the bioleaching of chalcopyrite concentrate by acidophilic thermophile Acidianus brierleyi. Biotechnology Progress 15 (1999) 681-688
10. Parker A., Klauber C., Kougianos A., Watling H.R., and van Bronswijk W. An X-ray photoelectron spectroscopy study of the mechanism of oxidative dissolution of chalcopyrite. Hydrometallurgy 71 (2003) 265-276
11. Petersen J., and Dixon D.G. Competitive bioleaching of pyrite and chalcopyrite. Hydrometallurgy 83 (2006) 40-49
12. Rodríguez Y., Ballester A., Blázquez M.L., González F., and Muñoz J.A. New information on the chalcopyrite bioleaching at low and high temperature. Hydrometallurgy 71 (2003) 47-56
13. Sandström A., Shchukarev A., and Paul J. XPS characterization of chalcopyrite chemically and bio-leached at high and low redox potential. Minerals Engineering. 18 (2005) 505-515
14. Stott M.B., Watling H.R., Franzmann P.D., and Sutton D. The role of iron-hydroxy precipitates in the passivation of chalcopyrite during bioleaching. Minerals Engineering 13 (2000) 1117-1127
15. Third K.A., Cord-Ruwisch R., and Watling H.R. Control of the redox potential by oxygen limitation improves bacterial leaching of chalcopyrite. Biotechnology and Bioengineering. 78 4 (2002) 433-440
16. Vilcáez, J., Suto, K., Inoue, C., in press. Response of thermophiles to the simultaneous addition of sulfur and ferric ion to enhance the bioleaching of chalcopyrite. Minerals Engineering.