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Conference Paper: Effect of activated carbon on fouling of activated sludge filtration
Title | Effect of activated carbon on fouling of activated sludge filtration |
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Authors | |
Keywords | Activated Carbon Activated Sludge EPS Filtration Fouling Membrane |
Issue Date | 2006 |
Publisher | Elsevier 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? |
Abstract | The 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 Identifier | http://hdl.handle.net/10722/150348 |
ISSN | 2023 Impact Factor: 8.3 2023 SCImago Journal Rankings: 1.521 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Fang, HHP | en_US |
dc.contributor.author | Shi, X | en_US |
dc.contributor.author | Zhang, T | en_US |
dc.date.accessioned | 2012-06-26T06:03:43Z | - |
dc.date.available | 2012-06-26T06:03:43Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | 10th Aachen Membrane Colloquium and 10th Aachen Membrane Colloquium. In Desalination, 2006, v. 189 n. 1-3, p. 193-199 | en_US |
dc.identifier.issn | 0011-9164 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/150348 | - |
dc.description.abstract | The 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.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/desal | en_US |
dc.relation.ispartof | Desalination | en_US |
dc.rights | Desalination. Copyright © Elsevier BV. | - |
dc.subject | Activated Carbon | en_US |
dc.subject | Activated Sludge | en_US |
dc.subject | EPS | en_US |
dc.subject | Filtration | en_US |
dc.subject | Fouling | en_US |
dc.subject | Membrane | en_US |
dc.title | Effect of activated carbon on fouling of activated sludge filtration | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Fang, HHP: hrechef@hkucc.hku.hk | en_US |
dc.identifier.email | Zhang, T: zhangt@hkucc.hku.hk | - |
dc.identifier.authority | Fang, HHP=rp00115 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/j.desal.2005.02.087 | en_US |
dc.identifier.scopus | eid_2-s2.0-33144487087 | en_US |
dc.identifier.hkuros | 116010 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33144487087&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 189 | en_US |
dc.identifier.issue | 1-3 | en_US |
dc.identifier.spage | 193 | en_US |
dc.identifier.epage | 199 | en_US |
dc.identifier.isi | WOS:000235917100022 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Fang, HHP=7402542625 | en_US |
dc.identifier.scopusauthorid | Shi, X=8963870700 | en_US |
dc.identifier.scopusauthorid | Zhang, T=7404373835 | en_US |
dc.identifier.issnl | 0011-9164 | - |