Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane

The integration of anaerobic digestion (AD) and a microbial electrolysis cell (MEC) with an electromethanogenic biocathode is proposed to increase the stability and robustness of the AD process against organic and nitrogen overloads; to keep the effluent quality; to recover ammonium; and to upgrade...

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Detalles Bibliográficos
Autores: Cerrillo, Míriam, Viñas, Marc, Bonmatí, August
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:20.500.12327/381
Acceso en línea:http://hdl.handle.net/20.500.12327/381
https://doi.org/10.1016/j.renene.2017.12.062
Access Level:acceso abierto
Palabra clave:631
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spelling Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methaneCerrillo, MíriamViñas, MarcBonmatí, August631The integration of anaerobic digestion (AD) and a microbial electrolysis cell (MEC) with an electromethanogenic biocathode is proposed to increase the stability and robustness of the AD process against organic and nitrogen overloads; to keep the effluent quality; to recover ammonium; and to upgrade the biogas. A thermophilic lab-scale AD, fed with pig slurry, was connected in series with the bioanode compartment of a two-chambered MEC. In turn, the biocathode of the MEC was poised at −800 mV vs Standard Hydrogen Electrode and fed with CO2 to increase the methane production of the system. After doubling its organic and nitrogen loading rate, the AD operation became stable thanks to the connection of a recirculation loop with the MEC effluent. Ammonium removal in the anode compartment of the MEC achieved 14.46 g N-NH4+ m−2 d−1, while obtaining on average 79 L CH4 m−3 d−1 through the conversion of CO2 in the cathode compartment. The microbial analysis showed that methylotrophic Methanossiliicoccaceae family (Methanomassiliicoccus genus) was the most abundant among the metabolically active archaea in the AD during the inhibited state; while, on the cathode, Methanobacteriaceae family (Methanobrevibacter and Methanobacterium genus) shared dominance with Methanomassiliicoccaceae and Methanotrichaceae families (Methanomassiliicoccus and Methanothrix genus, respectively).info:eu-repo/semantics/acceptedVersionElsevierProducció AnimalSostenibilitat en Biosistemes2017info:eu-repo/semantics/article39http://hdl.handle.net/20.500.12327/381https://doi.org/10.1016/j.renene.2017.12.062reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésRenewable EnergyMINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTA2015-00079-C02-01/ES/Uso de reactores bioelectroquímicos para optimizar la recuperación de energía y nutrientes de aguas residuales de alta carga/MINECO/Programa Nacional de Proyectos de Investigación Fundamental/RTA2012-00096-00-00/ES/Integración de reactores bioelectroquímicos y digestores anaerobios para optimizar la recuperación de energía y nitrógeno/INBENTAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:20.500.12327/3812026-05-29T05:05:01Z
dc.title.none.fl_str_mv Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
title Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
spellingShingle Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
Cerrillo, Míriam
631
title_short Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
title_full Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
title_fullStr Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
title_full_unstemmed Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
title_sort Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
dc.creator.none.fl_str_mv Cerrillo, Míriam
Viñas, Marc
Bonmatí, August
author Cerrillo, Míriam
author_facet Cerrillo, Míriam
Viñas, Marc
Bonmatí, August
author_role author
author2 Viñas, Marc
Bonmatí, August
author2_role author
author
dc.contributor.none.fl_str_mv Producció Animal
Sostenibilitat en Biosistemes
dc.subject.none.fl_str_mv 631
topic 631
description The integration of anaerobic digestion (AD) and a microbial electrolysis cell (MEC) with an electromethanogenic biocathode is proposed to increase the stability and robustness of the AD process against organic and nitrogen overloads; to keep the effluent quality; to recover ammonium; and to upgrade the biogas. A thermophilic lab-scale AD, fed with pig slurry, was connected in series with the bioanode compartment of a two-chambered MEC. In turn, the biocathode of the MEC was poised at −800 mV vs Standard Hydrogen Electrode and fed with CO2 to increase the methane production of the system. After doubling its organic and nitrogen loading rate, the AD operation became stable thanks to the connection of a recirculation loop with the MEC effluent. Ammonium removal in the anode compartment of the MEC achieved 14.46 g N-NH4+ m−2 d−1, while obtaining on average 79 L CH4 m−3 d−1 through the conversion of CO2 in the cathode compartment. The microbial analysis showed that methylotrophic Methanossiliicoccaceae family (Methanomassiliicoccus genus) was the most abundant among the metabolically active archaea in the AD during the inhibited state; while, on the cathode, Methanobacteriaceae family (Methanobrevibacter and Methanobacterium genus) shared dominance with Methanomassiliicoccaceae and Methanotrichaceae families (Methanomassiliicoccus and Methanothrix genus, respectively).
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12327/381
https://doi.org/10.1016/j.renene.2017.12.062
url http://hdl.handle.net/20.500.12327/381
https://doi.org/10.1016/j.renene.2017.12.062
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Renewable Energy
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTA2015-00079-C02-01/ES/Uso de reactores bioelectroquímicos para optimizar la recuperación de energía y nutrientes de aguas residuales de alta carga/
MINECO/Programa Nacional de Proyectos de Investigación Fundamental/RTA2012-00096-00-00/ES/Integración de reactores bioelectroquímicos y digestores anaerobios para optimizar la recuperación de energía y nitrógeno/INBENT
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 39
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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