Anaerobic leaching of covellite by Thiobacillus ferrooxidans

Thiobacillus ferrooxidans was able to grow under anaerobic conditions on copper sulphide with ferric ion as the electron acceptor. The dissolution of covellite under these conditions (68% after 35 days) was higher than values observed aerobically in cultures with similar media composition and almost...

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Detalles Bibliográficos
Autores principales: Donati, Edgardo Ruben, Pogliani, Cristina María, Boiardi, José Luis
Formato: Articulo
Lenguaje:Español
Publicado: 1997
Materias:
Biología
Oxygen
Iron
Copper
Sulphide
Leaching
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/146266
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-146266
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Biología
Oxygen
Iron
Copper
Sulphide
Leaching
spellingShingle Biología
Oxygen
Iron
Copper
Sulphide
Leaching
Donati, Edgardo Ruben
Pogliani, Cristina María
Boiardi, José Luis
Anaerobic leaching of covellite by Thiobacillus ferrooxidans
topic_facet Biología
Oxygen
Iron
Copper
Sulphide
Leaching
description Thiobacillus ferrooxidans was able to grow under anaerobic conditions on copper sulphide with ferric ion as the electron acceptor. The dissolution of covellite under these conditions (68% after 35 days) was higher than values observed aerobically in cultures with similar media composition and almost as high as under aerobic conditions without iron. From these results we propose a mechanism for anaerobic bioleaching of covellite in the presence of ferric iron and speculate that it may occur in leach dumps where the oxygen concentration is, as reported elsewhere, very low.
format Articulo
Articulo
author Donati, Edgardo Ruben
Pogliani, Cristina María
Boiardi, José Luis
author_facet Donati, Edgardo Ruben
Pogliani, Cristina María
Boiardi, José Luis
author_sort Donati, Edgardo Ruben
title Anaerobic leaching of covellite by Thiobacillus ferrooxidans
title_short Anaerobic leaching of covellite by Thiobacillus ferrooxidans
title_full Anaerobic leaching of covellite by Thiobacillus ferrooxidans
title_fullStr Anaerobic leaching of covellite by Thiobacillus ferrooxidans
title_full_unstemmed Anaerobic leaching of covellite by Thiobacillus ferrooxidans
title_sort anaerobic leaching of covellite by thiobacillus ferrooxidans
publishDate 1997
url http://sedici.unlp.edu.ar/handle/10915/146266
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AT poglianicristinamaria anaerobicleachingofcovellitebythiobacillusferrooxidans
AT boiardijoseluis anaerobicleachingofcovellitebythiobacillusferrooxidans
bdutipo_str Repositorios
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