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Incinerated municipal sewage sludge as a secondary resource for metals and phosphorus.

Authors
Gabler-RC Jr.; Neylan-DL
Source
Proc 3D Nat Conf on Sludge Mgmt Disposal & Util Miami Beach Florida 12/14-16/76 :197-200
Link
NIOSHTIC No.
10009637
Abstract
As part of the Bureau of Mines secondary resource program, a study of the potential of incinerated sewage sludge ash as a resource was initiated. The concentration of various metals in sewage sludge ash was determined for 14 plants representing 11 U.S. cities. Significant differences in heavy metal content were noted from heavily industrialized cities compared with cities where most of the sewage is domestic. Extraction data on a typical industrial city sludge ash shows that most of the elements of environmental interest are removed by an acid leach. Sludge ash produced in Palo Alto, California, Contains levels of gold, palladium, and silver that warrant research on economical methods of recovery. For most U.S. cities recovery costs may only be justified as part of the disposal operation.
Publication Date
19760101
Document Type
OP; Conference/Symposia Proceedings
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Identifying No.
OP 57-77
NIOSH Division
CPRC
Source Name
Proc 3D Nat. Conf. on Sludge Mgmt., Disposal, & Util., Miami Beach, Florida, 12/14-16/76,
State
CA; FL; MD
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