NDLI: COD adsorption capacity of the activated sludge — Its determination and application in the activated sludge process

Content Provider	Springer Nature Link
Author	Tan, K. N. Chua, H.
Copyright Year	1997
Abstract	Proper control of the activated sludge process is essential in ensuring production of good effluent. COD adsorption capacity (CAC) of the activated sludge could be used as a control parameter. CAC is determined by mixing the activated sludge with the settled sewage and measuring the instantaneous COD reduction per unit mass of activated sludge. CAC measures substrate removal by physical adsorption and reflects the quality of the activated sludge. CAC of a healthy activated sludge increases with the flow along the aeration units. CAC could be used for process decision on variation in air supply and feed pattern to the aeration units. In a modified process to cope with sludge bulking problem, CAC could be used to estimate the air supply to the aeration unit which is merely used for reaerating the returned sludge.
Starting Page	211
Ending Page	217
Page Count	7
File Format	PDF
ISSN	01676369
Journal	Environmental Monitoring and Assessment
Volume Number	44
Issue Number	1-3
e-ISSN	15732959
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecology Atmospheric Protection/Air Quality Control/Air Pollution Environmental Management Monitoring/Environmental Analysis/Environmental Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Pollution Medicine Management, Monitoring, Policy and Law

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COD adsorption capacity of the activated sludge — Its determination and application in the activated sludge process