Design and startup of an anaerobic fluidized bed reactor

P. Marín, D. Alkalay, L. Guerrero, R. Chamy, M. C. Schiappacasse

Resultado de la investigación: Contribución a una revistaArtículo de la conferenciarevisión exhaustiva

27 Citas (Scopus)

Resumen

A 10 1 anaerobic fluidized bed reactor (AFBR) was designed and constructed, using beach sand as the solid support for the biomass. Considering the complexity of this type of system, previously to the startup, several experiences were performed in a series of minireactors, such as: determination of the bed expansion and the feed distribution. The startup was made increasing gradually the organic load rate (OLR), using the alkalinity ratio (α) and the removal of the organic load, as mg/l of COD, as leading parameters. The system attained a COD removal of over 85%, for an OLR of 3.4 [kg COD/m3·d]. The best removal of 92% was obtained at an OLR of 1.04 [kg COD/m3·d], with a hydraulic retention time (HRT) of 12 hours. The best gas production of 1.8 [m3 of biogas/m3·d], equivalent to a production of 0.16 [m3/kg COD(removed)], was obtained at an (HRT) of 4.8 hours. The best startup results were obtained using Ethanol as the Carbon source.

Idioma originalInglés
Páginas (desde-hasta)63-70
Número de páginas8
PublicaciónWater Science and Technology
Volumen40
N.º8
DOI
EstadoPublicada - 1999
Publicado de forma externa
EventoProceedings of the 1998 5th Latin-American Workshop-Seminar on Wastewater Anaerobic Treatment - Vina del Mar, Chile
Duración: 27 oct 199830 oct 1998

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