Main Title |
Microbiology of Anaerobic Sludge. |
Author |
Ma, Robert A. ;
|
CORP Author |
North Carolina Univ., Chapel Hill. Dept. of Environmental Sciences and Engineering. |
Year Published |
1969 |
Report Number |
WP-000921-03; |
Stock Number |
PB-216 741 |
Additional Subjects |
( Anaerobic processes ;
Microbiology) ;
( Sewage treatment ;
Anaerobic processes) ;
Fermentation ;
Methane bacteria
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-216 741 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
40p |
Abstract |
Studies on the microbiology of anaerobic sludge disclosed that nonmethanogenic strictly anaerobic bacteria comprised one of the most numerous groups of organisms present. Euryoxic bacteria constitute only a minor fraction of the normal bacterial flora but can become predominant in very short time if fermentable carbohydrates are present. This finding emphasizes the necessity of using unenriched fermentations for studying the sludge digestion process. Lipids are the main substrates responsible for generation of acetate in the unaltered normal sludge fermentation. Organisms responsible for lipid decomposition are apparently slow-growing and are washed out of the digestor at short retention times. Recycling of the bacteria would enable the operator to shorten retention time without a loss in efficiency of decomposition. (Author) |