Effect of Dynamic Loading on Biological Nutrient Removal in a Pilot-Scale Liquid-Solid Circulating Fluidized Bed Bioreactor
Publication: Journal of Environmental Engineering
Volume 136, Issue 9
Abstract
A pilot-scale liquid-solid circulating fluidized bed (LSCFB) bioreactor was employed for biological nutrient removal from municipal wastewater at the Adelaide Pollution Control Plant, London, Ontario, Canada. Lava rock particles of were used as a biomass carrier media. The system generated effluent characterized by , , , TN/L, and SBOD/L at an influent flow of , without adding any chemicals for phosphorus removal and secondary clarification for suspended solids removal. The impact of the dynamic loading on the LSCFB effluent quality and its nutrient removal efficiencies were monitored by simulating wet weather condition at a maximum peaking factor of 3 for 4 h. The achievability of effluent characteristics of 1.1 mg , 4.6 mg , 37 mg COD/L, and 0.5 mg after 24 h of the dynamic loading emphasize the favorable response of the LSCFB to the dynamic loadings and the sustainability of performance without loss of nutrient removal capacity.
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Acknowledgments
The writers gratefully acknowledge Trojan Technologies, Canada, Natural Science and Engineering Research Council of Canada (NSERCNSERCCRDPZ380593), Ontario Center of Excellence (OCE), Canada, and City of London, ON, Canada for their endless support and interest at every stage of this research project.NSERC
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 136 • Issue 9 • September 2010
Pages: 906 - 913
Copyright
© 2010 ASCE.
History
Received: Sep 27, 2009
Accepted: Dec 30, 2009
Published online: Jan 5, 2010
Published in print: Sep 2010
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