Innovative Treatment of Septage at Small Wastewater Treatment Plants
Abstract:The objective of this paper is two-fold: 1) present the innovative concepts that were evaluated for treating septage using aerobic co-digestion of thickened waste activated sludge (WAS) and domestic septage, routing only the digesters decant to the plant headworks; and 2) discuss results of the full-scale pilot program for this co-digestion process, which was conducted at the 1.2- million gallons per day (mgd) Rollin-Woodstock Wastewater Treatment Plant (WWTP) in Lenawee County, Michigan between October 2006 and January 2007. The full-scale pilot program used the two existing aerobic digesters at the plant to accept, screen, and co-digest domestic septage and WAS.
Document Type: Research Article
Publication date: June 1, 2008
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