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Título: | Comparative study on the selective chalcopyrite bioleaching of a molybdenite concentrate with mesophilic and thermophilic bacteria |
Autor: | Romano, P.; Blázquez, M. L.; Alguacil, Francisco José CSIC ORCID; Muñoz, J. A.; Ballester, A.; González, F. | Palabras clave: | Chalcopyrite bioleaching Molybdenite concentrate Acidophilic bacterium Galvanic interaction |
Fecha de publicación: | mar-2001 | Editor: | John Wiley & Sons | Citación: | FEMS Microbiology Letters 196 (1) : 71–75 (2001) | Resumen: | This study evaluates different bioleaching treatments of a molybdenite concentrate using mesophilic and thermophilic bacterial cultures. Further studies on the chemical leaching and the electrochemical behavior of the MoS2 concentrate were carried out. Bioleaching tests showed a progressive removal of chalcopyrite from the molybdenite concentrate with an increase in temperature. Chemical leaching tests support the idea of an indirect attack of the concentrate. Electrochemical tests indicate that chalcopyrite dissolution is favored when molybdenite is present. Therefore, this type of bioleaching treatment could be applied to purify molybdenite flotation concentrates by selectively dissolving chalcopyrite. | Versión del editor: | http://dx.doi.org/10.1111/j.1574-6968.2001.tb10543.x | URI: | http://hdl.handle.net/10261/39787 | DOI: | 10.1111/j.1574-6968.2001.tb10543.x | ISSN: | 0378-1097 |
Aparece en las colecciones: | (CENIM) Artículos |
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