Record nummer 1936171
Titel artikel An aeration energy model for an immersed membrane bioreactor
Auteur(s) Verrecht, B. ; Judd, S. ; Guglielmi, G. ; Brepols, C. ; Mulder, J.W.
Tijdschrifttitel Water research : the journal of the International Association on Water Quality
Deel(Jaar)Nummer 42(2008)19
Paginering 4761 - 4770
Online full text
Trefwoorden (cab) afvalwaterbehandeling / bioreactoren / membranen / beluchting / zuurstofbehoefte / permeabiliteit / waterzuivering / energiebehoefte / modellen / zuiveringsinstallaties
Rubrieken Afvalwaterbehandeling
Publicatie type Artikel
Taal Engels
Toelichting (Engels) A simple model for evaluating energy demand arising from aeration of an MBR is presented based on a combination of empirical data for the membrane aeration and biokinetic modelling for the biological aeration. The model assumes that aeration of the membrane provides a proportion of the dissolved oxygen demanded for the biotreatment. The model also assumes, based on literature information sources, a linear relationship between membrane permeability and membrane aeration up to a threshold value, beyond which permeability is unchanged with membrane aeration. The model was benchmarked against two full-scale plant to obtain the most appropriate and conservative value of the slope of the flux:aeration curve and the blower efficiency. A sensitivity analysis is presented for key variable parameters to assess their impact on the specific energy demand for aeration
Betrokken instanties Waterschap Brabantse Delta
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