Skip navigation
Por favor, use este identificador para citar o enlazar este ítem: http://uvadoc.uva.es/handle/10324/23530
Título: A study of photosynthetic biogas upgrading based on a high rate algal pond under alkaline conditions: Influence of the illumination regime
Autor: Franco-Morgado, Mariana
Alcántara, Cynthia
Adalberto Noyolaa
Muñoz Torre, Raúl
González-Sánchez, Armando
Año del Documento: 2017
Editorial: Elsevier
Descripción: Producción Científica
Documento Fuente: Science of The Total Environment, 2017, Volume 592, Pages 419–425
Resumen: Microalgal-bacterial processes have emerged as environmental friendly systems for the cost-effective treatment of anaerobic effluents such as biogas and nutrients-laden digestates. Environmental parameters such as temperature, irradiation, nutrient concentration and pH effect the performance of the systems. In this paper, the potential of a microalgal-bacterial photobioreactor operated under high pH (≈ 9.5) and high alkalinity to convert biogas into biomethane was evaluated. The influence of the illumination regime (continuous light supply vs 12 h/12 h light/dark cycles) on the synthetic biogas upgrading efficiency, biomass productivity and nutrient removal efficiency was assessed in a High-Rate Algal Pond interconnected to a biogas absorption bubble column. No significant differences in the removal efficiency of CO2 and H2S (91.5 ± 2% and 99.5% ± 0.5, respectively) were recorded regardless of the illumination regime. The high fluctuations of the dissolved oxygen concentration during operation under light/dark cycles allowed to evaluate the specific growth rate and the specific partial degradation rate of the microalgae biomass by photosynthesis and respiration, respectively. The respiration reduced the net microalgae biomass productivity under light/dark cycles compared with process operation under the continuous light supply.
Palabras Clave: Biogás
Ciclos de luz
Revisión por Pares: SI
DOI: http://dx.doi.org/10.1016/j.scitotenv.2017.03.077
Patrocinador: Ministerio de Economía, Industria y Competitividad (Project CTM2015-70442-R)
Version del Editor: http://www.sciencedirect.com/science/article/pii/S0048969717305892
Idioma: eng
URI: http://uvadoc.uva.es/handle/10324/23530
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:DEP48 - Artículos de revista

Ficheros en este ítem:
Fichero Descripción TamañoFormato 
Franco et al. 2017 STOTEN.pdf800,13 kBAdobe PDFThumbnail
Visualizar/Abrir


Este ítem está sujeto a una licencia Creative Commons Licencia Creative Commons Creative Commons

Comentarios
Universidad de Valladolid
Powered by MIT's. DSpace software, Version 5.5