Record nummer 2032884
Titel artikel Multidimensional modeling of biofilm development and fluid dynamics in a hydrogen-based, membrane biofilm reactor (MBfR)
Auteur(s) Martin, K.J. ; Picioreanu, C. ; Nerenberg, R.
Tijdschrifttitel Water research : the journal of the International Association on Water Quality
Deel(Jaar)Nummer 47(2013)13
Paginering 4739 - 4751
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Trefwoorden (cab) afvalwaterbehandeling / drinkwater / waterzuivering / biofilms / modellen / membranen / holle stengel / bioreactoren / denitrificatie
Rubrieken Afvalwaterbehandeling / Watervoorziening
Publicatie type Artikel
Taal Engels
Toelichting (Engels) The membrane biofilm reactor (MBfR) is a drinking water and wastewater treatment technology based on membranes that supply a gaseous substrate to biofilm that grows on the membrane exterior. A two-dimensional, particle-based biofilm model coupled with mass transport and computational fluid dynamics was developed to simulate autotrophic denitrification in a spiral-wound membrane biofilm reactor, where hydrogen is supplied via hollow-fiber membrane fabric. The spiral-wound configuration consists of alternating layers of plastic spacer net and membrane fabric that create rows of flow channels, with the top and bottom walls comprised of membranes. The transversal filaments of the spacer partially obstruct the channel flow, producing complex mixing and shear patterns that require multidimensional representation. This study investigated the effect of hydrogen and nitrate concentrations, as well as spacer configuration, on biofilm development and denitrification fluxes.
Betrokken instanties Technische Universiteit Delft, Vakgroep Bioprocestechnologie
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