Record nummer 1793255
Titel artikel Manipulating filterability of MBR activated sludge by pulsed substrate addition
Auteur(s) Evenblij, H. ; Verrecht, B. ; Graaf, J.H.J.M. van der
Tijdschrifttitel Desalination : the international journal on the science and technology of desalting and water purification
Deel(Jaar)Nummer 178(2005)1/3
Paginering 193 - 201
Annotatie(s) 14 refs
Online full text
Trefwoorden (cab) membranen / filtratie / vervuiling door afzetting / geactiveerd slib / biologische behandeling / afvalwaterbehandeling
Rubrieken Afvalwaterbehandeling
Publicatie type Artikel
Taal Engels
Toelichting (Engels) Membrane (ultra)filtration of activated sludge from membrane bioreactors (MBR) is usually performed with low fluxes. This is done to prevent membrane fouling and system failure. However, even when operated with low fluxes, filterability of the biomass can fluctuate in time considerably. Among the many causes that are mentioned to explain this phenomenon, changes in influent quality and quantity seem most probable. Until now, only little work was done to quantify effects of transient conditions in feeding pattern of an MBR. This paper describes experiments in which 25 L samples of the biomass from an MBR system were fed with an easily biodegradable carbon source. The filterability of the biomass was monitored with standardised filtration characterisation measurements. Along with filtration characterisation the water phase of the activated sludge was analysed for extracellular polymeric substances (EPS)
Betrokken instanties Technische Universiteit Delft, Faculteit der Civiele Techniek en Geowetenschappen, Afdeling Watermanagement
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