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RECORD NUMBER: 6 OF 7

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Main Title

Physical-Chemical Treatment of Raw Municipal Wastewater.

Author

Bisho, Dolloff F. ; O'Farrel, Thomas P. ; Casse, Alan F. ; Pint, Adolph P. ;

CORP Author

District of Columbia Dept. of Environmental Services, Washington.

Year Published

1973

Report Number

DI-14-12-818; EPA-11010-EYM; 06509,; 670/2-73-070

Stock Number

PB-231 250

Additional Subjects

Sewage treatment ; Lime ; Filtration ; Adsorption ; Ion exchanging ; Chemical removal(Sewage treatment) ; Carbonation ; Chlorination ; pH ; Anaerobic processes ; Biochemical oxygen demand ; Nitrogen ; Carbon ; Phosphorus ; Sedimentation ; Organic wastes ; Physical chemical treatment ; Breakpoint chlorination

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
NTIS	PB-231 250	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

69p

Abstract

Physical-chemical treatment of raw wastewater in a 50,000 to 100,000 gpd pilot plant consisted of two-stage lime precipitation with intermediate recarbonation, filtration, pH control, ion exchange or breakpoint chlorination for nitrogen removal and carbon adsorption. The complete system with ion exchange removed 98% of the phosphorus, 95% of the organics (COD) and 78% of the total nitrogen. With breakpoint chlorination, the complete system removed approximately 98% of the phosphorus, 94% of the organics (COD) and 86% of the total nitrogen. (Modified author abstract)

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