Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia

Benzal Montes, Eva|||0000-0002-0045-1341; Solé Sardans, Maria Montserrat|||0000-0002-0854-4649; Lao Luque, Concepción|||0000-0002-7342-7801; Morral Molto, Eloi|||0000-0002-8574-6260; Gamisans Noguera, Javier|||0000-0003-1856-8692; Dorado Castaño, Antonio David|||0000-0003-0238-5867

Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia

This is the peer reviewed version of the following article: Benzal, E., et al. Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia. Environmental progress & sustainable energy, 2021, e13588, p. 1-8, which has been published in final form at https:...

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Autores:	Benzal Montes, Eva\|\|\|0000-0002-0045-1341, Solé Sardans, Maria Montserrat\|\|\|0000-0002-0854-4649, Lao Luque, Concepción\|\|\|0000-0002-7342-7801, Morral Molto, Eloi\|\|\|0000-0002-8574-6260, Gamisans Noguera, Javier\|\|\|0000-0003-1856-8692, Dorado Castaño, Antonio David\|\|\|0000-0003-0238-5867
Tipo de recurso:	artículo
Fecha de publicación:	2021
País:	España
Institución:	Universitat Politècnica de Catalunya (UPC)
Repositorio:	UPCommons. Portal del coneixement obert de la UPC
Idioma:	inglés
OAI Identifier:	oai:upcommons.upc.edu:2117/342224
Acceso en línea:	https://hdl.handle.net/2117/342224 https://dx.doi.org/10.1002/ep.13588
Access Level:	acceso abierto
Palabra clave:	Microbial biotechnology Copper Bioleaching Metal recovery Microbial consortium Mineral medium Microbiologia -- Biotecnologia Coure Àrees temàtiques de la UPC::Enginyeria química::Biotecnologia

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spelling	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortiaBenzal Montes, Eva\|\|\|0000-0002-0045-1341Solé Sardans, Maria Montserrat\|\|\|0000-0002-0854-4649Lao Luque, Concepción\|\|\|0000-0002-7342-7801Morral Molto, Eloi\|\|\|0000-0002-8574-6260Gamisans Noguera, Javier\|\|\|0000-0003-1856-8692Dorado Castaño, Antonio David\|\|\|0000-0003-0238-5867Microbial biotechnologyCopperBioleachingCopperMetal recoveryMicrobial consortiumMineral mediumMicrobiologia -- BiotecnologiaCoureÀrees temàtiques de la UPC::Enginyeria química::BiotecnologiaThis is the peer reviewed version of the following article: Benzal, E., et al. Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia. Environmental progress & sustainable energy, 2021, e13588, p. 1-8, which has been published in final form at https://doi.org/10.1002/ep.13588. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.In the present work, key parameters in copper bioleaching from chalcopyrite have been investigated at long-term operation. In detail, the type of mixed microbial consortium (origin and adaptation); the composition of two mineral media (the growth medium and the modified 9K medium); its buffer capacity by the buffers HCl/KCl and Na2HPO4/KH2PO4; and the influence of different ore grades in relation with the potential alkalinity associated have been investigated. For the first time, a mixed microbial consortium, obtained from a gas-phase biotrickling filter treating high loads of H2S, was employed revealing significant copper extraction by biological leaching. Results reveal that a single adaptation step of this biomass improved both kinetics and process efficiency, nearly doubling the amount of copper obtained compared with the non-adapted consortium. Nevertheless, the growth medium also influences the efficiency of the bioleaching process, enhancing copper extraction at higher sulfate concentration. The ore containing the metal is also a determining factor, obtaining same copper extraction for biotic and abiotic in one case, and enhancing up to 50 times from the abiotic in the other. Thus, this becomes a relevant limitation for the applicability of bioleaching for some ores, mainly due to the composition of the matrix.Eva Benzal gratefully acknowledges a FPU-2014 predoctoral scholarship from Ministerio de Educación, Cultura y Deporte (Spain) and co-financed by FEDER fundsPeer ReviewedObjectius de Desenvolupament Sostenible::11 - Ciutats i Comunitats Sostenibles20212021-01-0420212021-03-23journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/342224https://dx.doi.org/10.1002/ep.13588reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3422242026-05-27T15:37:01Z
dc.title.none.fl_str_mv	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
title	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
spellingShingle	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia Benzal Montes, Eva\|\|\|0000-0002-0045-1341 Microbial biotechnology Copper Bioleaching Copper Metal recovery Microbial consortium Mineral medium Microbiologia -- Biotecnologia Coure Àrees temàtiques de la UPC::Enginyeria química::Biotecnologia
title_short	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
title_full	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
title_fullStr	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
title_full_unstemmed	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
title_sort	Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia
dc.creator.none.fl_str_mv	Benzal Montes, Eva\|\|\|0000-0002-0045-1341 Solé Sardans, Maria Montserrat\|\|\|0000-0002-0854-4649 Lao Luque, Concepción\|\|\|0000-0002-7342-7801 Morral Molto, Eloi\|\|\|0000-0002-8574-6260 Gamisans Noguera, Javier\|\|\|0000-0003-1856-8692 Dorado Castaño, Antonio David\|\|\|0000-0003-0238-5867
author	Benzal Montes, Eva\|\|\|0000-0002-0045-1341
author_facet	Benzal Montes, Eva\|\|\|0000-0002-0045-1341 Solé Sardans, Maria Montserrat\|\|\|0000-0002-0854-4649 Lao Luque, Concepción\|\|\|0000-0002-7342-7801 Morral Molto, Eloi\|\|\|0000-0002-8574-6260 Gamisans Noguera, Javier\|\|\|0000-0003-1856-8692 Dorado Castaño, Antonio David\|\|\|0000-0003-0238-5867
author_role	author
author2	Solé Sardans, Maria Montserrat\|\|\|0000-0002-0854-4649 Lao Luque, Concepción\|\|\|0000-0002-7342-7801 Morral Molto, Eloi\|\|\|0000-0002-8574-6260 Gamisans Noguera, Javier\|\|\|0000-0003-1856-8692 Dorado Castaño, Antonio David\|\|\|0000-0003-0238-5867
author2_role	author author author author author
dc.subject.none.fl_str_mv	Microbial biotechnology Copper Bioleaching Copper Metal recovery Microbial consortium Mineral medium Microbiologia -- Biotecnologia Coure Àrees temàtiques de la UPC::Enginyeria química::Biotecnologia
topic	Microbial biotechnology Copper Bioleaching Copper Metal recovery Microbial consortium Mineral medium Microbiologia -- Biotecnologia Coure Àrees temàtiques de la UPC::Enginyeria química::Biotecnologia
description	This is the peer reviewed version of the following article: Benzal, E., et al. Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia. Environmental progress & sustainable energy, 2021, e13588, p. 1-8, which has been published in final form at https://doi.org/10.1002/ep.13588. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
publishDate	2021
dc.date.none.fl_str_mv	2021 2021-01-04 2021 2021-03-23
dc.type.none.fl_str_mv	journal article http://purl.org/coar/resource_type/c_6501 AM http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv	info:eu-repo/semantics/article
format	article
dc.identifier.none.fl_str_mv	https://hdl.handle.net/2117/342224 https://dx.doi.org/10.1002/ep.13588
url	https://hdl.handle.net/2117/342224 https://dx.doi.org/10.1002/ep.13588
dc.language.none.fl_str_mv	Inglés eng
language_invalid_str_mv	Inglés
language	eng
dc.rights.none.fl_str_mv	open access http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv	info:eu-repo/semantics/openAccess
rights_invalid_str_mv	open access http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv	openAccess
dc.format.none.fl_str_mv	application/pdf
dc.source.none.fl_str_mv	reponame:UPCommons. Portal del coneixement obert de la UPC instname:Universitat Politècnica de Catalunya (UPC)
instname_str	Universitat Politècnica de Catalunya (UPC)
reponame_str	UPCommons. Portal del coneixement obert de la UPC
collection	UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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Influence of ore grade and mineral medium on chalcopyrite bioleaching with mixed microbial consortia

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