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dc.contributor.author
Amar, Agustina
dc.contributor.author
Massello, Francisco Luis
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Costa, Cristina Susana
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Castro, Camila Andrea
dc.contributor.author
Donati, Edgardo Ruben
dc.date.available
2023-09-26T13:42:14Z
dc.date.issued
2022-12
dc.identifier.citation
Amar, Agustina; Massello, Francisco Luis; Costa, Cristina Susana; Castro, Camila Andrea; Donati, Edgardo Ruben; Bioleaching of a Chalcocite-Dominant Copper Ore from Salta, Argentina, by Mesophilic and Thermophilic Microorganisms; Multidisciplinary Digital Publishing Institute; Minerals; 13; 1; 12-2022
dc.identifier.issn
2075-163X
dc.identifier.uri
http://hdl.handle.net/11336/213053
dc.description.abstract
The study and development of new sustainable mining methods to exploit low-grade ores and secondary metallic resources are essential to meet global demand and contribute to caring for the environment. Copper is one of the most widely used metals and chalcocite is the main secondary sulfide of this metal. Therefore, the study of copper recovery from chalcocite-dominant minerals could have a great impact on the industry. In this study, we assess at bench scale the feasibility of applying biohydrometallurgical processes to extract copper from chalcocite-rich minerals from Taca Taca, Argentina, using native mesophilic microorganisms (30 °C) and thermophiles (45, 65 °C). The indigenous mesophilic consortium was dominated by Acidithiobacillus ferrooxidans and could solubilize all the copper present in the systems (113 mg/L) within three weeks without any change in the pH of the solution. Notably, by increasing the temperature up to 45 and 65 °C, copper leaching was enhanced, completing the recovery in 7–14 days. The oxidizing microorganisms active in these conditions were Ferroplasma sp. and Acidianus copahuensis, respectively. An increase in the abiotic copper recovery was also observed as temperature rose; as well as a slight acidification of the solution. This study constitutes the first assessment for the bioleaching of Taca Taca ores.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Multidisciplinary Digital Publishing Institute
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BIOLEACHING
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CHALCOCITE
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COPPER SULFIDES
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HYDROMETALLURGY
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MESOPHILES
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TACA TACA PROJECT
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THERMOPHILES
dc.subject.classification
Otras Biotecnología Industrial
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Biotecnología Industrial
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Bioleaching of a Chalcocite-Dominant Copper Ore from Salta, Argentina, by Mesophilic and Thermophilic Microorganisms
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-07-07T18:31:35Z
dc.journal.volume
13
dc.journal.number
1
dc.journal.pais
Suiza
dc.journal.ciudad
Basilea
dc.description.fil
Fil: Amar, Agustina. Comision Nacional de Energia Atomica. Gerencia de Area de Aplicaciones de la Tecnología Nuclear; Argentina
dc.description.fil
Fil: Massello, Francisco Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Fermentaciones Industriales. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Fermentaciones Industriales; Argentina
dc.description.fil
Fil: Costa, Cristina Susana. Comision Nacional de Energia Atomica. Gerencia de Area de Aplicaciones de la Tecnología Nuclear; Argentina
dc.description.fil
Fil: Castro, Camila Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Fermentaciones Industriales. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Fermentaciones Industriales; Argentina
dc.description.fil
Fil: Donati, Edgardo Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Fermentaciones Industriales. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Fermentaciones Industriales; Argentina
dc.journal.title
Minerals
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2075-163X/13/1/52
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/min13010052
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