Main Title |
Investigation of response surfaces of the microscreen process / |
Author |
Shea, Timothy G.,
|
Other Authors |
|
CORP Author |
Engineering-Science, inc. |
Publisher |
United States Environmental Protection Agency, Office of Research and Monitoring, |
Year Published |
1971 |
Report Number |
W7212960; EPA17090-EEM-12/71; EPA 620-R-71-004 |
OCLC Number |
00363870 |
Subjects |
Sewage--Purification--Filtration
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBD |
EPA 620-R-71-004 |
|
Headquarters Library/Washington,DC |
05/02/2014 |
ELBD ARCHIVE |
EPA 620-R-71-004 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
ELBD |
EPA 17090-EEM-12-71 |
|
AWBERC Library/Cincinnati,OH |
11/04/2011 |
|
Collation |
viii, 142 pages : illustrations, figures, tables ; 28 cm. |
Notes |
"Report date December 1971." United States Environmental Protectoin Agency Contract No. Contract Number: 14-12-819. Includes bibliographical references (page 83). |
Contents Notes |
Field, laboratory, theoretical, and state-of-the-art studies were conducted with regard to use of microscreens for tertiary sewage treatment applications. Field studies were conducted with two pilot microscreen units, using a variety of screen sizes and types, for activated sludge, trickling filter, and oxidation pond effluents. Particle size distribution of the effluents (microscreen influents) were found to be the key characterizing parameter in determination of treatment effectiveness. Overall effectiveness of solids removal was low, and was ascribed to deficiencies in microscreen design practice for the transfer of screened solids from the screen to the backwash system and out of the microscreen unit. A computer model of the process was developed in a format compatible with the EPA Executive Program for Optimization of Treatment Systems. |