| Main Title |
Oxygen consumption in continuous biological culture / |
| Author |
O'Brien, Walter J.,
|
| Other Authors |
|
| CORP Author |
University of Kansas. Center for Research. |
| Publisher |
United States Environmental Protection Agency, Water Quality Office, |
| Year Published |
1971 |
| Report Number |
W7207104; EPA17050-DJS-05/71; EPA/620/R-71/006 |
| OCLC Number |
00959781 |
| Subjects |
Sewage--Purification--Activated sludge process ;
Sewage--Purification--Aeration
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJBD |
EPA 620-R-71-006 |
|
Headquarters Library/Washington,DC |
05/12/2014 |
| ELBD ARCHIVE |
EPA 620-R-71-006 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ELBD RPS |
EPA 620-R-71-006 |
repository copy |
AWBERC Library/Cincinnati,OH |
10/17/2014 |
|
| Collation |
xi, 130 pages : illustrations, figures, tables ; 28 cm |
| Notes |
"EPA/620-R-71-006." "May, 1971." Includes bibliographical references. United States Environmental Protection Agency Contract No. Contract Number: WP01023-03. |
| Contents Notes |
To aid in the further development of sewage treatment by activated sludge, a continuous flow automatically recording respirometer was used to study the response of aeration only and aeration with sludge return completely mixed activated sludge systems (CMAS) to step changes in the influent substrate. The experiments were conducted at 25 C with glucose; a mixture of glucose, glutamate, and acetate; and a mixture of sewage solids plus Metrecal. Influent substrate concentrations were doubled in the 3-hour and tripled in the 6-hour mean residence time aeration only experiments without increasing the soluble COD in the effluent. Decreases in the influent substrate concentrations produced rapid decreases in the rate of oxygen utilization. A procedure for calculating the rate of oxygen uptake by a CMAS system at any time during a step transient was developed. |
