883584

AWWA JAW30281

Journal AWWA - Agronomic Effects of Land Application of Water Treatment Sludges

Journal Article by American Water Works Association , 04/01/1991

Elliott, H.A.;Dempsey, B.A.

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Full Description

Economic, regulatory, and legal constraints on alternative disposal methods are raising interest in land application of water treatment sludges. Understanding the agronomic and environmental issues is essential before a land-based disposal program is implemented. Water treatment sludges may favorably modify the pH and water-holding capacity of soils but generally have little fertilizer value. Supplemental phosphorus (P) fertilizer will usually be needed to offset the strong P-binding capacity of these sludges. Heavy metal concentrations can be limited in sludges primarily by controlling the purity of the coagulant chemicals. Includes 36 references, tables.
 

Product Details

Edition:
Vol. 83 - No. 4
Published:
04/01/1991
Number of Pages:
6
File Size:
1 file , 1.5 MB
Note:
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