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RECORD NUMBER: 3 OF 23

OLS Field Name OLS Field Data
Main Title Biological Phosphorus Removal: A Technology Evaluation (Journal Version).
Author Tetreault, M. J. ; Benedict, A. H. ; Kaempfer, C. ; Barth, E. F. ;
CORP Author Brown and Caldwell, Pleasant Hill, CA. ;Lee (Robert E.) and Associates, Inc., Green Bay, WI. ;Barth Tec, Inc., Cincinnati, OH.;Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab.
Year Published 1986
Report Number EPA-68-03-1818; EPA/600/J-86/198;
Stock Number PB87-152559
Additional Subjects Phosphorus ; Activated sludge process ; Sewage treatment ; Anaerobic processes ; Biomass ; Reprints ; PhoStrip process
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB87-152559 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 17p
Abstract
Field investigations at four full-scale biological phosphorus removal plants (two mainstream operationally modified activated sludge and two sidestream PhoStrip plants) evaluated design, operation, and performance. Process-operating conditions, achievable effluent phosphorus concentrations, nitrification effects, and impacts from solids handling operations were defined. The processes achieved less than 1 mg/L effluent total phosphorus without tertiary treatment, even under nitrifying conditions. Both suspended and soluble phosphorus forms were removed. BOD5 and TSS were removed to advanced treatment levels. Influent BOD5:P, anaerobic contact period, aerobic phosphorus uptake, and solids handling affected performance. The mainstream processes performed well with influent BOD5:Total P greater than 20; the PhoStrip process operated effectively at lower ratios because of sidestream chemical phosphorus removal.