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Microbial behaviors involved in cake fouling in membrane bioreactors under different solids retention times.

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Microbial behaviors involved in cake fouling in membrane bioreactors under different solids retention times.

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dc.contributor.author Wu, Bing.
dc.contributor.author Yi, Shan.
dc.contributor.author Fane, Anthony Gordon.
dc.date.accessioned 2011-10-10T06:43:12Z
dc.date.available 2011-10-10T06:43:12Z
dc.date.copyright 2010
dc.date.issued 2011-10-10
dc.identifier.citation Wu, B., Yi, S., & Fane, A. G. (2011). Microbial behaviors involved in cake fouling in membrane bioreactors under different solids retention times. Bioresource Technology, 102(3), 2511–2516.
dc.identifier.issn 0960-8524
dc.identifier.uri http://hdl.handle.net/10220/7195
dc.description.abstract Biomass characteristics and membrane performances in the MBRs operated at a high flux of 30 L/m2 h under different SRTs (10, 30 days, and infinity) were monitored. Results showed that more serious cake-fouling happened in the SRT-infinity MBR, which correlated with the activated sludge characteristics such as smaller floc size and greater EPS amount. DGGE analysis indicated that the microbial community shifted in different ways under various SRTs, which also influenced EPS productions in the MBRs. Different microbial communities were developed on the membrane surfaces at various operating stages and SRTs. Possibly, the activated sludge characteristics (such as MLSS concentration, EPS properties) and hydrodynamic conditions influenced by the SRTs were associated with cake layer development and membrane fouling propensity. Insight into the EPS characteristics and deposition behaviors of bacterial flocs will be crucial to explore appropriate biofouling control strategies in MBRs.
dc.format.extent 6 p.
dc.language.iso en
dc.relation.ispartofseries Bioresource technology
dc.rights © 2011 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Bioresource technology, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.biortech.2010.11.045 ]
dc.subject DRNTU::Engineering::Environmental engineering::Water treatment.
dc.title Microbial behaviors involved in cake fouling in membrane bioreactors under different solids retention times.
dc.type Journal Article
dc.contributor.research Singapore Membrane Technology Centre
dc.identifier.doi http://dx.doi.org/10.1016/j.biortech.2010.11.045
dc.description.version Accepted version

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