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Record nummer 1969075
Titel artikel Particle counting as a tool to predict filterability in membrane bioreactors activated sludge?
Auteur(s) Lousada-Ferreira, M. ; Moreau, A. ; Lier, J.B. van ; Graaf, J.H.J.M. van der
Tijdschrifttitel Water science and technology : a journal of the International Association on Water Pollution Research
Deel(Jaar)Nummer 64(2011)1
Paginering 139 - 146
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Trefwoorden (cab) afvalwaterbehandeling / afvalwater / bioreactoren / membranen / geactiveerd slib / filtreerbaarheid / deeltjesgrootteanalyse / tellen / kwantitatieve technieken / zuiveringsinstallaties
Rubrieken Afvalwaterbehandeling
Publicatie type Artikel
Taal Engels
Toelichting (Engels) Activated sludge quality is one of the major factors influencing flux decline in membrane bioreactors (MBRs). Sludge filterability is a recognized parameter to characterize the physical properties of activated sludge. Decrease in filterability is linked to a higher number of submicron particles. In our present research we studied whether particle counting techniques can be used to indicate deflocculation of the sludge suspended fraction to submicron particles, causing the aforementioned filterability decrease. A total number of 105 activated sludge samples were collected in four full scale municipal MBRs. Samples were tested for filterability and particle counting in the range 2–100 μm.
Betrokken instanties Technische Universiteit Delft, Faculteit der Civiele Techniek en Geowetenschappen, Afdeling Watermanagement
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