Biological Fluidized Bed Reactor: Hydrodynamics, Biomass Distribution and Performance
- 1 January 1990
- journal article
- Published by IWA Publishing in Water Science & Technology
- Vol. 22 (1-2) , 193-202
- https://doi.org/10.2166/wst.1990.0146
Abstract
Performance of a pilot-scale denitrifying biological fluidized bed was analyzed with special consideration to the effects of mean cell residence time (MCRT) and biomass distribution in the reactor. An optimum MCRT exists at which volumetric removal rate is maximized. The decline of substrate removal rate at short MCRT is caused by small amount of biomass in the reactor. At long MCRT the decline of substrate removal rate was attributed to decreasing biofilm effectiveness and smaller solids holdup.Keywords
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