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dc.contributor | Instituto de Medio Ambiente, Recursos Naturales y Biodiversidad de la Universidad de Léon | es_ES |
dc.contributor.author | Leite Serejo, Mayara | |
dc.contributor.author | Posadas, Esther | |
dc.contributor.author | Árpád Boncz, Marc | |
dc.contributor.author | Blanco Lanza, Saúl | |
dc.contributor.author | Garía Encina, Pedro | |
dc.contributor.author | Muñoz, Raúl | |
dc.contributor.other | Ecologia | es_ES |
dc.date | 2015-02-23 | |
dc.date.accessioned | 2017-11-28T14:51:01Z | |
dc.date.available | 2017-11-28T14:51:01Z | |
dc.date.issued | 2017-11-28 | |
dc.identifier.citation | Environmental Science & Technology, 2015, Mar 3;49(5) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10612/6993 | |
dc.description | P. 3228-3236 | es_ES |
dc.description.abstract | The influence of biogas flow rate (0, 0.3, 0.6, and 1.2 m3 m−2 h−1) on the elemental and macromolecular composition of the algal-bacterial biomass produced from biogas upgrading in a 180 L photobioreactor interconnected to a 2.5 L external bubbled absorption column was investigated using diluted anaerobically digested vinasse as cultivation medium. The influence of the external liquid recirculation/biogas ratio (0.5 < L/G < 67) on the removal of CO2 and H2S, and on the concentrations of O2 and N2 in the upgraded biogas, was also evaluated. A L/G ratio of 10 was considered optimum to support CO2 and H2S removals of 80% and 100%, respectively, at all biogas flow rates tested. Biomass productivity increased at increasing biogas flow rate, with a maximum of 12 ± 1gm−2 d−1 at 1.2 m3 m−2 h−1, while the C, N, and P biomass content remained constant at 49 ± 2%, 9 ± 0%, and 1 ± 0%, respectively, over the 175 days of experimentation. The high carbohydrate contents (60−76%), inversely correlated to biogas flow rates, would allow the production of ≈100 L of ethanol per 1000 m3 of biogas upgraded under a biorefinery process approach | es_ES |
dc.language | eng | es_ES |
dc.publisher | American Chemical Society | es_ES |
dc.subject | Biología | es_ES |
dc.subject | Ecología. Medio ambiente | es_ES |
dc.subject.other | Biogás | es_ES |
dc.subject.other | Biomasa | es_ES |
dc.subject.other | Bacterias | es_ES |
dc.subject.other | Algas | es_ES |
dc.title | Influence of Biogas Flow Rate on Biomass Composition During the Optimization of Biogas Upgrading in Microalgal-Bacterial Processes | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.description.peerreviewed | SI | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
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