Field evaluation of arsenic and selenium removal by iron coprecipitation

Journal Article · Wed Jan 01 04:00:00 EST 1986 · J. - Water Pollut. Control Fed.; (United States)

OSTI ID:5734742

Merrill, D T; Manzione, M A; Peterson, J J; Parker, D S; Chow, W; Hobbs, A O

The trace elements arsenic and selenium were removed from ash pond effluent by coprecipitation with iron oxyhydroxide in a field study at the Carolina Power and Light Company Roxboro Station. The objectives of the study were to verify previously derived laboratory results, confirm technical and economic feasibility, and develop information that could be used to design full-scale treatment plants. The technology was tested at pilot-scale in a continuous-flow system under field conditions. The chemical coagulation system used was typical for municipal and industrial water treatment. Sludge production thickening and dewatering are discussed. Designation of process sludges as hazardous wastes is addressed and process design and cost information are presented. 18 references.

• Research Organization: Brown and Caldwell, Pleasant Hill, CA
• OSTI ID: 5734742
• Journal Information: J. - Water Pollut. Control Fed.; (United States), Journal Name: J. - Water Pollut. Control Fed.; (United States) Vol. 58:1; ISSN JWPFA
• Country of Publication: United States
• Language: English

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ARSENIC
ASHES
CARBONACEOUS MATERIALS
COAL
COST
ELEMENTS
ENERGY SOURCES
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PONDS
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