Pollution in Keban Dam Lake: Trace metals from classical activated sludge system

Effluent from the Elazig treatment facility in Turkey is discharged to Keban Dam Lake, and the sludge is used as a fertilizer. In this study, sludge and effluent samples were collected and analyzed for the presence of lead, chromium, nickel, and cadmium. The overall removal of Cr in the treatment pl...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2001-12, Vol.67 (6), p.906-912
Main Authors: CUCI, Y, HASAR, H, YAMAN, M, IPEK, U
Format: Article
Language:English
Subjects:
Activated sludge
Agriculture
Applied sciences
Energy
Energy. Thermal use of fuels
Environmental Monitoring
Exact sciences and technology
Fertilizers
Metals, Heavy - analysis
Refuse Disposal
Sewage - chemistry
Theoretical studies. Data and constants. Metering
Trace Elements - analysis
Trace metals
Water Pollutants, Chemical - analysis
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Summary:Effluent from the Elazig treatment facility in Turkey is discharged to Keban Dam Lake, and the sludge is used as a fertilizer. In this study, sludge and effluent samples were collected and analyzed for the presence of lead, chromium, nickel, and cadmium. The overall removal of Cr in the treatment plant was determined to be 88%, while the removals of Pb, Ni, and Cd were 90.4, 89.0, and 50.0%, respectively. The amounts of Pb, Cr, Ni, and Cd entering the lake from the discharge of treated effluents were calculated at 62.0, 62.0, 193.8, and 387.9 kg/yr, respectively. The sludge disposed on land was found to contain high concentrations of Cr, Ni, and Pb, at 41.0, 30.0, and 11.6 mg/kg, respectively.
ISSN:0007-4861
1432-0800
DOI:10.1007/s001280207