Record Display for the EPA National Library Catalog


Main Title Evaluation of flow equalization at a small wastewater treatment plant /
Author Foess, Gerald W.,
Other Authors
Author Title of a Work
Meenahan, James G.,
Harju, J. Michael,
CORP Author Johnson and Anderson, Inc., Pontiac, Mich.;Municipal Environmental Research Lab., Cincinnati, Ohio. Wastewater Research Div.
Publisher U.S. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory,
Year Published 1976
Report Number EPA-600/2-76-181; EPA-68-03-0417
Stock Number PB-260 375
OCLC Number 02625531
ISBN pbk.
Subjects Sewage disposal plants ; Hydraulic control ; Sewage disposal--Michigan--Walled Lake/Novi
Additional Subjects Sewage treatment ; Activated sludge process ; Flow control ; Walled Lake ; Performance evaluation ; Biochemical oxygen demand ; Solids ; Filtration ; Phosphorus ; Settling ; Concentration(Composition) ; Equalizing ; Aeration ; Reservoirs ; Cost comparison ; Tables(Data) ; Michigan ; Novi(Michigan)
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 600-2-76-181 Headquarters Library/Washington,DC 09/14/2010
EJBD  EPA 600-2-76-181 Headquarters Library/Washington,DC 04/04/2014
ESAD  EPA 600-2-76-181 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-260 375 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation x, 47 pages : illustrations, figures, tables ; 28 cm.
The primary objective of this project was to evaluate the impact of flow equalization on the 0.092 cu m/sec (2.1 mgd) activated sludge plant at Walled Lake/Novi, Michigan. Process streams were characterized for a twelve-month period under equalized flow conditions with respect to BOD, total suspended solids and total phosphorus. The effects of the equalization basin on final settling and filtration were evaluated by conducting two intensive week-long studies, one with and one without equalization of flow. Flow equalization was effective in leveling influent flow variations but had very little effect upon concentration leveling. Performance of the multimedia filters was superior under the equalized flow, both in terms of average removal efficiency and consistency.
Prepared by Johnson & Anderson, Inc., Pontiac, Mich., under cotract no. 68-03-0417. Includes bibliographical references (page 46).