2024-03-28T19:42:02Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/144452022-11-22T13:13:03Zcom_10612_17col_10612_18
Escuela de Ingenierias Industrial e Informatica
a48c91f4-2975-4bcf-aaa4-92ab67d27013
500
Pelaz, Guillermo
8e5b8a2e-7d36-4744-85ed-76baa098e3ec
600
Carrillo-Peña, Daniela
c51cbb68-9124-4d6f-bb8d-4039117d8db5
600
Morán Palao, Antonio
750
600
Escapa González, Adrián
299
600
0000-0002-5007-349X
Ingenieria Electrica
61128320-e344-4b15-9d83-368a02f8e9f6
500
2022
2022-03-31T11:36:03Z
2022-03-31T11:36:03Z
0016-2361
https://www.sciencedirect.com/science/article/pii/S0016236121022092?via%3Dihub
http://hdl.handle.net/10612/14445
10.1016/j.fuel.2021.122336
[EN] In this study we aimed to understand the impact of medium–low temperatures on the two main steps that usually comprise the electromethanogenesis (EM) process: electrothrophic hydrogenesis and hydrogenothrophic methanogenesis. Results revealed that pure CO2 could effectively be converted into a high-purity biogas (∼90:10 CH4/CO2) at 30 °C. However, when temperature was reduced to 15 °C, methane richness greatly decreased (∼40:60 CH4/CO2). This deterioration in performance was mostly attributed to a decline in methanogenic activity (represented mainly by Methanobacterium and Methanobrevibacter). In contrast, the hydrogenic activity (mostly Desulfomicrobium) did not suffer any significant decay. Results also seemed to indicate that methanogenesis, rather than hydrogenesis, is the main source of variability in EM. Increasing the temperature again to 30 °C restored previous performance, which highlights the resilience of EM to wide temperature fluctuations (from 30 to 15 and back 30 °C).
SI
eng
Elsevier
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Ingeniería química
Bioelectrochemical system
Electromethanogenesis
Low temperature
Biogas
Biocathode
3303 Ingeniería y Tecnología Químicas
3306 Ingeniería y Tecnología Eléctricas
Electromethanogenesis at medium-low temperatures: Impact on performance and sources of variability
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
LE320P18 (project co-financed by FEDER funds),EREN_2019_L3_ULE,FPU Grant (FPU17/00789)
Fuel
310
122336
THUMBNAIL
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.jpg
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.jpg
IM Thumbnail
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https://buleria.unileon.es/bitstream/10612/14445/5/Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.jpg
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TEXT
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.txt
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.txt
Extracted text
text/plain
46544
https://buleria.unileon.es/bitstream/10612/14445/4/Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf.txt
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LICENSE
license.txt
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https://buleria.unileon.es/bitstream/10612/14445/3/license.txt
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CC-LICENSE
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https://buleria.unileon.es/bitstream/10612/14445/2/license_rdf
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ORIGINAL
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf
Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf
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https://buleria.unileon.es/bitstream/10612/14445/1/Electromethanogenesis_Medium_Low_Temperatures_Impact.pdf
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10612/14445
oai:buleria.unileon.es:10612/14445
2022-11-22 14:13:03.377
BULERIA. Repositorio Institucional de la Universidad de León
buleria@unileon.es
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