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Are filamentous mycolata important in foaming?

Lookup NU author(s): Professor Russell DavenportORCiD, Professor Thomas CurtisORCiD


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In a previous study, we showed that there was a significant increase in mycolata numbers associated with foaming events at a wastewater treatment site possessing three activated sludge plants. In this paper, we demonstrate that branched filamentous mycolata were a minor proportion of the mycolata morphotypes present in those activated sludge plants, accounting for less than 21% of the mycolata population in the mixed liquor and foam samples examined. In most samples examined, the number of filamentous mycolata was negligible compared to the number of other mycolata morphotypes present. Furthermore, filamentous mycolata did not contribute to any of the significant differences in mycolata concentration observed between foaming and non-foaming situations (P<0.01). These findings suggest that conventional microscopic examination for monitoring mycolata populations in foaming plants may be misleading and should be used with caution.

Publication metadata

Author(s): Davenport RJ, Curtis TP

Publication type: Article

Publication status: Published

Journal: Water Science and Technology

Year: 2002

Volume: 46

Issue: 1-2

Pages: 529-533

Print publication date: 01/01/2002

ISSN (print): 0273-1223

ISSN (electronic): 1996-9732

Publisher: IWA Publishing


PubMed id: 12216682