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Kingma JG, Silver M. Growth of iron-oxidizing thiobacilli in the presence of chalcopyrite and galena. Appl Environ Microbiol. 1980;39(3):635-41doi: 10.1128/aem.39.3.635-641.1980.
Kingma, J. G., & Silver, M. (1980). Growth of iron-oxidizing thiobacilli in the presence of chalcopyrite and galena. Applied and environmental microbiology, 39(3), 635-41. https://doi.org/10.1128/aem.39.3.635-641.1980
Kingma, J G, and Silver, M. "Growth of iron-oxidizing thiobacilli in the presence of chalcopyrite and galena." Applied and environmental microbiology vol. 39,3 (1980): 635-41. doi: https://doi.org/10.1128/aem.39.3.635-641.1980
Kingma JG, Silver M. Growth of iron-oxidizing thiobacilli in the presence of chalcopyrite and galena. Appl Environ Microbiol. 1980 Mar;39(3):635-41. doi: 10.1128/aem.39.3.635-641.1980. PMID: 16345530; PMCID: PMC291389.
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Appl Environ Microbiol. 1980 Mar;39(3):635-41. doi: 10.1128/aem.39.3.635-641.1980.

Growth of iron-oxidizing thiobacilli in the presence of chalcopyrite and galena.

Applied and environmental microbiology

J G Kingma, M Silver

Affiliations

  1. Département de Biochimie, Faculté des Sciences et de Génie, Université Laval, Québec, Canada, G1K 7P4.

PMID: 16345530 PMCID: PMC291389 DOI: 10.1128/aem.39.3.635-641.1980

Abstract

Iron-oxidizing thiobacilli were adapted to grow on a chalcopyrite and a galena ore concentrate. When grown on the chalcopyrite concentrate, the bacteria exhibited a doubling time of 38.4 +/- 2.9 h, with a final cellular protein concentration of 185 mug/ml and solubilization of 10.3 g of copper per liter. When grown on the galena ore concentrate, the generation time was 39.6 +/- 2.7 h, with a final cellular protein concentration of 120 mug/ml. Galena was converted to lead salts soluble in 1 M ammonium acetate to a concentration of 20.2 g of lead per liter. X-ray diffraction and refractive-image analysis indicated that the smaller-sized particles were favored in this process. Galena was converted to anglesite, and soluble copper was liberated from chalcopyrite with the concurrent formation of jarosite.

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