Response of Activated Sludge to Quantitative Shock Loading

Characterization of the response of activated sludge systems to environmental change presents complex problems because of the many types of shock and the manner in which they can be administered. Present interest centers on biomass response and a study was designed for comparison of once-through and...

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Bibliographic Details
Published in:Journal - Water Pollution Control Federation 1976-05, Vol.48 (5), p.906-919
Main Authors: Krishnan, P., Gaudy, A. F.
Format: Article
Language:English
Subjects:
Activated sludge
Aeration
Biomass
Cell growth
Hydraulic shock
Hydraulics
Loading rate
Organic foods
Sewage
Shock loads
Sludge
Time Factors
Water - analysis
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Summary:Characterization of the response of activated sludge systems to environmental change presents complex problems because of the many types of shock and the manner in which they can be administered. Present interest centers on biomass response and a study was designed for comparison of once-through and cell recycle systems at constant hydraulic retention times and at varying levels of growth rate and cell residence time. The results of the study delineate the roles of these parameters and establish some guidelines regarding the shock levels that activated sludge systems can handle without significant disruption of treatment activity.
ISSN:0043-1303