Nocardia scum suppression technology by ozone addition

Nocardia scum suppression technology by ozone addition

In order to suppress scum formation due to Nocardioform Actinomycetes (Nocardia sp.), an experiment was made by adding ozone at a small rate in the aeration tank of the real plant in operation based on the oxygen activated sludge process. It was clarified that adding ozone at a rate of above 1.2 mg/...

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Veröffentlicht in:Water Science & Technology 1996-01, Vol.34 (3-4), p.283-290
Hauptverfasser: Okouchi, T., Goi, M., Nishimura, T., Abe, S., Murakami, T.
Format: Artikel
Sprache:eng
Schlagworte:
Actinomycetes
Activated sludge
Activated sludge process
Aeration
Aeration tanks
mycolic acid
nitrification
Nocardia
Ozone
Raw water
Scum
scum measuring method
Sludge
sludge settleability
suppression
Treated water
Water quality
Water treatment plants
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Beschreibung
Zusammenfassung:In order to suppress scum formation due to Nocardioform Actinomycetes (Nocardia sp.), an experiment was made by adding ozone at a small rate in the aeration tank of the real plant in operation based on the oxygen activated sludge process. It was clarified that adding ozone at a rate of above 1.2 mg/l-raw water suppressed scum and Nocardia. The treated water quality was good, and no influence of ozone on the activated sludge was seen.
ISSN:0273-1223
1996-9732
DOI:10.1016/0273-1223(95)00584-6