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Description: W14-Proceedings
Fundamentals of Sludge Fermentation for Enhanced Biological Phosphorus Removal
Abstract
Most enhanced biological phosphorus removal (EBPR) plants do not have sufficient influent carbon in the form of either short-chain volatile fatty acids (SCVFA) or readily biodegradable COD (rbCOD) that could be converted into VFA in the anaerobic zone. This requires an external source of rbCOD or the generation of either rbCOD or VFA on site. Fermentation of the primary sludge or some of the mixed liquor is then required to augment the available soluble carbon to ensure reliable phosphorus removal. This paper describes the background and fundamentals of fermentation for ensuring an adequate supply of VFA.
Most enhanced biological phosphorus removal (EBPR) plants do not have sufficient influent carbon in the form of either short-chain volatile fatty acids (SCVFA) or readily biodegradable COD (rbCOD) that could be converted into VFA in the anaerobic zone. This requires an external source of rbCOD or the generation of either rbCOD or VFA on site. Fermentation of the primary sludge or some of the mixed...
Author(s)
James L Barnard
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct, 2014
ISSN1938-6478
DOI10.2175/193864714815942602
Volume / Issue2014 / 19
Content sourceWEFTEC
Copyright2014
Word count105

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