Model-based comparative performance analysis of membrane aerated biofilm reactor configurations

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Title: Model-based comparative performance analysis of membrane aerated biofilm reactor configurations
Authors: Syron, Eoin
Casey, Eoin
Permanent link: http://hdl.handle.net/10197/2759
Date: 15-Apr-2008
Abstract: The potential of the membrane aerated biofilm reactor (MABR) for high-rate bio-oxidation was investigated. A reaction-diffusion model was combined with a preliminary hollow-fiber MABR process model to investigate reaction rate-limiting regime and to perform comparative analysis on prospective designs and operational parameters. High oxidation fluxes can be attained in the MABR if the intra-membrane oxygen pressure is sufficiently high, however the volumetric oxidation rate is highly dependent on the membrane specific surface area and therefore the maximum performance, in volumetric terms, was achieved in MABRs with relatively thin fibers. The results show that unless the carbon substrate concentration is particularly high, there does not appear to be an advantage to be gained by designing MABRs on the basis of thick biofilms even if oxygen limitations can be overcome.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Wiley
Copyright (published version): 2007 Wiley Periodicals, Inc.
Keywords: Biofilm;Membrane;Aeration;Model;Oxidation
Subject LCSH: Biofilms
Bioreactors
Membranes (Technology)
Oxidation
DOI: 10.1002/bit.21700
Language: en
Status of Item: Peer reviewed
Appears in Collections:Chemical and Bioprocess Engineering Research Collection

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