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Residuals Disposal Costs – A Detailed Analysis

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“Residuals” is the term commonly used to identify grit, screenings, skimmings, and biosolids removed from wastewater at Publicly Owned Treatment Works (POTWs) and ash from biosolids incinerators.

The management of wastewater residuals has always been an issue of concern for POTWs, especially since the disposal costs substantially contribute to the overall costs of operating and maintaining a POTW. Moreover, many utilities find it difficult to track all of the costs associated with residuals management. Thus, representative utility-wide costs from which to benchmark operations are also difficult to find.

This paper provides detailed information concerning the costs that the Northeast Ohio Regional Sewer District (hereinafter “District”) incurred from 1996 – 2001 in conjunction with the disposal of residuals generated at its Easterly, Southerly and Westerly Wastewater Treatment Plants (WWTPs).

Document Type: Research Article


Publication date: 2002-01-01

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