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Title: Novel magnetically induced membrane vibration (MMV) for fouling control in membrane bioreactors
Authors: Bilad, Muhammad Roil ×
Mezohegyi, Gergo
Declerck, Priscilla
Vankelecom, Ivo #
Issue Date: Jan-2012
Publisher: Pergamon Press
Series Title: Water Research vol:46 issue:1 pages:63-72
Abstract: Conventional submerged membrane bioreactors (MBRs) rely on the coarse bubbles aeration to generate shear at the liquid membrane interface to limit membrane fouling. Unfortunately, it is a very energy consuming method, still often resulting in a rapid decrease of membrane permeability and consequently in higher expenses. In this paper, the feasibility of a novel magnetically induced membrane vibration (MMV) system was studied in a labscale MBR treating synthetic wastewater. The effects on membrane fouling of applied electrical power of different operation strategies, of membrane flux and of the presence of multiple membranes on one vibrating engine on membrane fouling were investigated. The filtration performance was evaluated by determining the filtration resistance profiles and critical flux. The results showed clear advantages of the vibrating system over conventional MBR processes by ensuring higher fluxes at lower fouling rates. Intermittent vibration was found a promising strategy for both efficient fouling control and significant energy saving. The optimised MMV system is presumed to lead to significant energy and cost reduction in up-scaled MBR operations. (C) 2011 Elsevier Ltd. All rights reserved.
ISSN: 0043-1354
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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