Innovative Treatment of Septage at Small Wastewater Treatment Plants

Authors: May, Stephen R.; Roys, Michael; Gellner, W. James; Al-Omari, Khamis A.

Source: Water Practice, Volume 2, Number 4, June 2008 , pp. 1-15(15)

Publisher: Water Environment Federation

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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.

Keywords: SEPTAGE; WASTE ACTIVATED SLUDGE; AEROBIC DIGESTION; CO-DIGESTION; ROLLIN-WOODSTOCK; CENTRAL LENAWEE

Document Type: Research article

DOI: http://dx.doi.org/10.2175/193317708X335217

Publication date: 2008-06-01

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Water Practice™ publishes peer-reviewed articles and reports focusing on applied water studies. Topics include monitoring, facility operations and maintenance, management, policy, and other issues of interest and concern to water practitioners. The Journal publishes on a monthly to bi-monthly basis and is available online only.
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