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Por favor, use este identificador para citar o enlazar este ítem: http://uvadoc.uva.es/handle/10324/23547
Título: Influence of the gas-liquid flow configuration in the absorption column on photosynthetic biogas upgrading in algal-bacterial photobioreactors
Autor: Toledo-Cervantes, Alma
Madrid-Chirinos, Cindy
Cantera Ruiz de Pellón, Sara
Lebrero Fernández, Raquel
Muñoz Torre, Raúl
Año del Documento: 2017
Editorial: Elsevier
Descripción: Producción Científica
Documento Fuente: Bioresource Technology, 2017, Volume 225, Pages 336–342
Resumen: The potential of an algal-bacterial system consisting of a high rate algal pond (HRAP) interconnected to an absorption column (AC) via recirculation of the cultivation broth for the upgrading of biogas and digestate was investigated. The influence of the gas-liquid flow configuration in the AC on the photosynthetic biogas upgrading process was assessed. AC operation in a co-current configuration enabled to maintain a biomass productivity of 15 g m−2 d−1, while during counter-current operation biomass productivity decreased to 8.7 ± 0.5 g m−2 d−1 as a result of trace metal limitation. A bio-methane composition complying with most international regulatory limits for injection into natural gas grids was obtained regardless of the gas-liquid flow configuration. Furthermore, the influence of the recycling liquid to biogas flowrate (L/G) ratio on bio-methane quality was assessed under both operational configurations obtaining the best composition at an L/G ratio of 0.5 and co-current flow operation.
Palabras Clave: Biogás
Nutrientes
Revisión por Pares: SI
DOI: https://doi.org/10.1016/j.biortech.2016.11.087
Patrocinador: Ministerio de Economía, Industria y Competitividad (Project CTM2015-70442-R and Red NOVEDAR)
Version del Editor: http://www.sciencedirect.com/science/article/pii/S096085241631608X
Idioma: eng
URI: http://uvadoc.uva.es/handle/10324/23547
Derechos: info:eu-repo/semantics/openAccess
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