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Residual Benefits

by Ann Copeland, (M.ASCE), Assoc. Project Engr.; Environmental Engineering and Technology, Inc, Newport News, VA,
Carel Vandermeyden, Project Manager; Environmental Engineering and Technology, Inc., Newport News, VA,
David Cornwall, President; Environmental Engineering and Technology, Inc., Newport News, VA,


Serial Information: Civil Engineering—ASCE, 1995, Vol. 65, Issue 1, Pg. 70-72


Document Type: Feature article

Abstract:

Stringent pretreatment and effluent standards and a lack of capacity prohibit their release into sanitary sewer systems. Landfill disposal is costly. The National Pollutant Discharge Elimination system section of the Clean Water Act severely restricts their discharge into surface waters. So what does an owner do with water treatment plant sludge? A beneficial use program for water treatment plant sludge, now called residuals, can be the cost-effective, publicly-acceptable answer. Operating such a program can be difficult. Residuals are a harder sell than their wastewater treatment plant counterparts--biosolids--because they have a lower nutrient value. Nevertheless, water treatment plant owners are finding uses for their plant's byproducts. Water plant residuals work well in turf farming and top soil blending as an economical substitute for natural soil material.

Subject Headings: Water treatment plants | Water discharge | Wastewater treatment plants | Soil water | Sludge | Residual soils | Owners

Services: Buy this book/Buy this article

 

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