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Conference Paper: Effect of activated carbon on fouling of activated sludge filtration

TitleEffect of activated carbon on fouling of activated sludge filtration
Authors
KeywordsActivated Carbon
Activated Sludge
EPS
Filtration
Fouling
Membrane
Issue Date2006
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/desal
Citation
10th Aachen Membrane Colloquium and 10th Aachen Membrane Colloquium. In Desalination, 2006, v. 189 n. 1-3, p. 193-199 How to Cite?
AbstractThe effect of adding activated carbon on the fouling of activated sludge filtration was investigated using a complete-mix cell with a flat-sheet cellulosic membrane at a constant pressure gradient of 70 kN/m2. Four sludge samples were tested in parallel: a sludge without additive served as control, plus three sludge samples dosed with individual additives, including inert diatomaceous earth, activated carbon pre-sorbed with 112 mg-C/g of EPS (extracellular polymeric substance), and virgin activated carbon. Results showed that the EPS of activated sludge was a major contributor of membrane fouling. Additives may reduce the filtration resistance of the film deposited on the membrane surface, depending upon their EPS-sorbing capacity. As compared with the control, virgin activated carbon reduced the film filtration resistance by 22%, from 6.4 ± 0.5×1012 m-1 to 5.0 ± 0.1×1012 m-1, whereas the reduction was only 14% by the activated carbon pre-sorbed with EPS and negligible by the inert diatomaceous earth. Of the three main constituents of EPS, polysaccharide and humic substance were of significance to the fouling; protein had little effect. © 2006 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150348
ISSN
2015 Impact Factor: 4.412
2015 SCImago Journal Rankings: 1.549
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFang, HHPen_US
dc.contributor.authorShi, Xen_US
dc.contributor.authorZhang, Ten_US
dc.date.accessioned2012-06-26T06:03:43Z-
dc.date.available2012-06-26T06:03:43Z-
dc.date.issued2006en_US
dc.identifier.citation10th Aachen Membrane Colloquium and 10th Aachen Membrane Colloquium. In Desalination, 2006, v. 189 n. 1-3, p. 193-199en_US
dc.identifier.issn0011-9164en_US
dc.identifier.urihttp://hdl.handle.net/10722/150348-
dc.description.abstractThe effect of adding activated carbon on the fouling of activated sludge filtration was investigated using a complete-mix cell with a flat-sheet cellulosic membrane at a constant pressure gradient of 70 kN/m2. Four sludge samples were tested in parallel: a sludge without additive served as control, plus three sludge samples dosed with individual additives, including inert diatomaceous earth, activated carbon pre-sorbed with 112 mg-C/g of EPS (extracellular polymeric substance), and virgin activated carbon. Results showed that the EPS of activated sludge was a major contributor of membrane fouling. Additives may reduce the filtration resistance of the film deposited on the membrane surface, depending upon their EPS-sorbing capacity. As compared with the control, virgin activated carbon reduced the film filtration resistance by 22%, from 6.4 ± 0.5×1012 m-1 to 5.0 ± 0.1×1012 m-1, whereas the reduction was only 14% by the activated carbon pre-sorbed with EPS and negligible by the inert diatomaceous earth. Of the three main constituents of EPS, polysaccharide and humic substance were of significance to the fouling; protein had little effect. © 2006 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/desalen_US
dc.relation.ispartofDesalinationen_US
dc.rightsDesalination. Copyright © Elsevier BV.-
dc.subjectActivated Carbonen_US
dc.subjectActivated Sludgeen_US
dc.subjectEPSen_US
dc.subjectFiltrationen_US
dc.subjectFoulingen_US
dc.subjectMembraneen_US
dc.titleEffect of activated carbon on fouling of activated sludge filtrationen_US
dc.typeConference_Paperen_US
dc.identifier.emailFang, HHP: hrechef@hkucc.hku.hken_US
dc.identifier.emailZhang, T: zhangt@hkucc.hku.hk-
dc.identifier.authorityFang, HHP=rp00115en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.desal.2005.02.087en_US
dc.identifier.scopuseid_2-s2.0-33144487087en_US
dc.identifier.hkuros116010-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33144487087&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume189en_US
dc.identifier.issue1-3en_US
dc.identifier.spage193en_US
dc.identifier.epage199en_US
dc.identifier.isiWOS:000235917100022-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridFang, HHP=7402542625en_US
dc.identifier.scopusauthoridShi, X=8963870700en_US
dc.identifier.scopusauthoridZhang, T=7404373835en_US

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