Effect of organic loading rate on organic matter and foulant characteristics in membrane bio-reactor

Johir, MAH; Vigneswaran, S; Sathasivan, A; Kandasamy, J; Chang, CY

Effect of organic loading rate on organic matter and foulant characteristics in membrane bio-reactor

Johir, MAH

Vigneswaran, S

Sathasivan, A Kandasamy, J Chang, CY

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Publication Type:: Journal Article
Citation:: Bioresource Technology, 2012, 113 pp. 154 - 160
Issue Date:: 2012-06-01

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Field	Value	Language
dc.contributor.author	Johir, MAH https://orcid.org/0000-0001-6222-6943	en_US
dc.contributor.author	Vigneswaran, S https://orcid.org/0000-0002-8117-4322	en_US
dc.contributor.author	Sathasivan, A	en_US
dc.contributor.author	Kandasamy, J	en_US
dc.contributor.author	Chang, CY	en_US
dc.date.available	2011-12-01	en_US
dc.date.issued	2012-06-01	en_US
dc.identifier.citation	Bioresource Technology, 2012, 113 pp. 154 - 160	en_US
dc.identifier.issn	0960-8524	en_US
dc.identifier.uri	http://hdl.handle.net/10453/29579
dc.description.abstract	In this study, the influence of organic loading rate (OLR) on the performance of a membrane bio-reactor (MBR) was investigated. The MBR was operated with 6 different OLRs between 0.5 and 3.0kgCOD/m 3d. The hydrodynamic parameters of the MBR were kept constant. The hydraulic retention time and sludge retention time were kept at 8h and 40d respectively. From the experimental investigation, it was found that the removal efficiency of DOC, COD and NH 4-N decreased when OLRs were increased from 0.5 to 3.0kgCOD/m 3d. Higher OLRs of 2.75-3.0kgCOD/m 3d resulted in a higher transmembrane pressure development. The fractionation of organic matters showed more hydrophilic substances with higher OLRs. A detailed organic matter characterization of membrane foulant, soluble microbial product and extracellular polymeric substances showed that bio-polymers type substances together with humic acid and lower molecular neutral and acids were responsible for membrane fouling. © 2011 Elsevier Ltd.	en_US
dc.relation.ispartof	Bioresource Technology	en_US
dc.relation.isbasedon	10.1016/j.biortech.2011.12.002	en_US
dc.subject.classification	Biotechnology	en_US
dc.subject.mesh	Membranes, Artificial	en_US
dc.subject.mesh	Chromatography, Gel	en_US
dc.subject.mesh	Bioreactors	en_US
dc.title	Effect of organic loading rate on organic matter and foulant characteristics in membrane bio-reactor	en_US
dc.type	Journal Article
utslib.citation.volume	113	en_US
utslib.for	0904 Chemical Engineering	en_US
utslib.for	0907 Environmental Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	113	en_US

Abstract:

In this study, the influence of organic loading rate (OLR) on the performance of a membrane bio-reactor (MBR) was investigated. The MBR was operated with 6 different OLRs between 0.5 and 3.0kgCOD/m 3d. The hydrodynamic parameters of the MBR were kept constant. The hydraulic retention time and sludge retention time were kept at 8h and 40d respectively. From the experimental investigation, it was found that the removal efficiency of DOC, COD and NH 4-N decreased when OLRs were increased from 0.5 to 3.0kgCOD/m 3d. Higher OLRs of 2.75-3.0kgCOD/m 3d resulted in a higher transmembrane pressure development. The fractionation of organic matters showed more hydrophilic substances with higher OLRs. A detailed organic matter characterization of membrane foulant, soluble microbial product and extracellular polymeric substances showed that bio-polymers type substances together with humic acid and lower molecular neutral and acids were responsible for membrane fouling. © 2011 Elsevier Ltd.

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http://hdl.handle.net/10453/29579