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Record nummer 1799041
Titel artikel Modelling nitrification, heterotrophic growth and predation in activated sludge
Auteur(s) Moussa, M.S. ; Hooijmans, C.M. ; Lubberding, H.J.
Tijdschrifttitel Water research : the journal of the International Association on Water Quality
Deel(Jaar)Nummer 39(2005)20
Paginering 5080 - 5098
Annotatie(s) 41 refs
Online full text
Trefwoorden (cab) geactiveerd slib / nitrificatie / afvalwaterbehandeling / predatie / stikstof / verwijdering
Rubrieken Afvalwaterbehandeling
Publicatie type Artikel
Taal Engels
Toelichting (Engels) A mathematical model describing the interaction between nitrifiers, heterotrophs and predators in wastewater treatment has been developed. The inclusion of a predation mechanism is a new addition to the existing activated sludge models. The developed model considered multi-substrate consumption and multi-species growth, maintenance and decay in a culture where nitrifiers, heterotrophs and predators (protozoa and metazoa) are coexisting. Two laboratory-scale sequenced batch reactors (SBRs) operated at different sludge retention time (SRT) of 30 and 100 days for a period of 4 years were used to calibrate and validate the model. Moreover, to assess the predator activity, a simple procedure was developed, based on measuring the respiration rate with and without the presence of the predators
Betrokken instanties IHE, UNESCO Instituut voor Wateronderwijs
Technische Universiteit Delft, Vakgroep Bioprocestechnologie
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