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dc.contributor.author
Leon Fernandez, Luis Fernando
dc.contributor.author
Medina Díaz, Hassay Lizeth
dc.contributor.author
Gonzalez Perez, Omar
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dc.contributor.author
Rodríguez Romero, Luis
dc.contributor.author
Villaseñor, José
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Fernández Morales, Francisco Jesús
dc.date.available
2022-08-08T17:48:15Z
dc.date.issued
2021-02
dc.identifier.citation
Leon Fernandez, Luis Fernando; Medina Díaz, Hassay Lizeth; Gonzalez Perez, Omar; Rodríguez Romero, Luis; Villaseñor, José; et al.; Acid mine drainage treatment and sequential metal recovery by means of bioelectrochemical technology; John Wiley & Sons Ltd; Journal of Chemical Technology and Biotechnology; 96; 6; 2-2021; 1543-1552
dc.identifier.issn
0268-2575
dc.identifier.uri
http://hdl.handle.net/11336/164596
dc.description.abstract
BACKGROUND: This work studied the treatment of and metal recovery from a synthetic acid mine drainage (AMD) containing 500 mg L−1 copper (Cu2+) and iron (Fe+3), and 50 mg L−1 nickel (Ni2+) and tin (Sn2+) by using a bioelectrochemical system (BES). The presence of electroactive bacteria improved the performance of such reactor configuration, by contrast with systems with abiotic anodes. RESULTS: Operating as a microbial fuel cell (MFC), all of the Fe3+ was reduced to Fe2+ in about 24 h and Cu2+ was electrodeposited onto the cathodic surface, a Cu electrode, obtaining pure Cu0. Almost all of the Cu in the catholyte was recovered after four days. The maximum current density and power attained in this stage were 0.136 mA cm−2 and 0.0134 mW cm−2, respectively. Subsequent operation as a microbial electrolysis cell (MEC) allowed simultaneous recovery of the Fe2+, Ni2+ and Sn2+ by fixing the cathode potential at −0.7 V versus Ag/AgCl. The electrode material in this stage was titanium. The tin was completely deposited onto the cathodic surface after one day of electrolysis. After three days, 77% and 60% of Ni and Fe, respectively, was recovered. CONCLUSION: It was possible to recover Cu0 while generating electricity at the same time using a BES. The cell voltage required for the metal electrodeposition of Fe2+, Ni2+ and Sn2+ was low in the case of the BES because of the contribution of the electroactive bacteria. Sequential metal deposition is possible by adjusting the operating parameters of the BES reactors.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Ltd
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ACID MINE DRAINAGE
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BIOELECTROCHEMICAL SYSTEM
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METAL RECOVERY
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MICROBIAL ELECTROLYSIS CELL
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MICROBIAL ELECTROMETALLURGY
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MICROBIAL FUEL CELL
dc.subject.classification
Otras Ingeniería Química
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dc.subject.classification
Ingeniería Química
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Acid mine drainage treatment and sequential metal recovery by means of bioelectrochemical technology
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-08-08T15:16:53Z
dc.journal.volume
96
dc.journal.number
6
dc.journal.pagination
1543-1552
dc.journal.pais
Reino Unido
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dc.journal.ciudad
LOndres
dc.description.fil
Fil: Leon Fernandez, Luis Fernando. Universidad de Castilla-La Mancha; España
dc.description.fil
Fil: Medina Díaz, Hassay Lizeth. Universidad de Castilla-La Mancha; España
dc.description.fil
Fil: Gonzalez Perez, Omar. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Electroquímica Aplicada e Ingeniería Electroquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
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Fil: Rodríguez Romero, Luis. Universidad de Castilla-La Mancha; España
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Fil: Villaseñor, José. Universidad de Castilla-La Mancha; España
dc.description.fil
Fil: Fernández Morales, Francisco Jesús. Universidad de Castilla-La Mancha; España
dc.journal.title
Journal of Chemical Technology and Biotechnology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1002/jctb.6669
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/jctb.6669
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