The Effect of Operational Parameters on the Acid-phase Anaerobic Fermentation in the Biological Phosphorus Removal Process

by P. Elefsiniotis, Univ of British Columbia, Vancouver, BC, Canada,
W. K. Oldham, Univ of British Columbia, Vancouver, BC, Canada,

Document Type: Proceeding Paper

Part of: Environmental Engineering


A series of laboratory-scale, continuous flow experiments has been employed to study the effects of selected HRTs and SRTs on the acid-phase fermentation of primary sludge. The VFA production is greatly affected by the variation in both operational parameters. Overall, HRTs from 9 to 15 hours and SRTs from 10 to 20 days result in high rates of substrate solubilization and subsequent VFA generation.

Subject Headings: Biological processes | Sludge | Phosphorus | Nutrient pollution | Acids | Waste treatment | Parameters (statistics)

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