Activated Sludge Separation ProblemsAuthor(s): Valter Tandoi, David Jenkins, Jiri Wanner\nFormat: Paperback\nPublisher: IWA Publishing, United Kingdom\nImprint: IWA Publishing\nISBN-13: 9781900222846, 978-1900222846\nSynopsis\nThe Activated Sludge (AS) Process is old technology but is still widely adopted worldwide for its convenience and simplicity: an impressive number (many hundred of thousands) of this kind of system are in operation. Occasionally, problems such as bulking and foaming occur, causing regulation violations and large investment is often required immediately to control them. For this reason, an intense research effort has been made during the last few decades to face these problems, and this report details the work undertaken by theIWA Specialist Group on Activated Sludge Population Dynamics. This Scientific and Technical Report describes the main reasons fslyuor the growth of the different filamentous microorganisms in activated sludge, and the biological molecular 6