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Article: Adsorption of phthalates by activated sludge and its biopolymers

TitleAdsorption of phthalates by activated sludge and its biopolymers
Authors
Fang, HHPZheng, H
KeywordsActivated sludge
Adsorption
Biopolymers
Endocrine disruptors
Phthalates
Issue Date2004
PublisherSelper Ltd. The Journal's web site is located at http://www.environtechnol.co.uk
Citation
Environmental Technology, 2004, v. 25 n. 7, p. 757-761 How to Cite?
DOI: http://dx.doi.org/10.1080/09593330.2004.9619366
AbstractThis study shows diethyl phthalate (DEP) and dibutyl phthalate (DBP) were substantially adsorbed by activated sludge and its extracellular polymeric substance (EPS). The adsorption characteristics followed Freundlich and Langmuir isotherms. According to the Langmuir isotherm, each gram of activated sludge at maximum adsorbed 0.73 mg of DEP and 17.6 mg of DBP, and each gram of centrifugation-extracted EPS adsorbed 14.3 mg of DEP and 10.6 m of DBP. The adsorption increased with the hydrophobicity of phthalates. This suggests most phthalates, which are of higher hydrophobicity than DEP and DBP likely to be removed from wastewater through adsorption by the activated sludge in the biological treatment process. © Selper Ltd, 2004.
Persistent Identifierhttp://hdl.handle.net/10722/71296
ISSN
0959-3330
2023 Impact Factor: 2.2
2023 SCImago Journal Rankings: 0.540
ISI Accession Number ID
WOS:000223713400003
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorFang, HHPen_HK
dc.contributor.authorZheng, Hen_HK
dc.date.accessioned2010-09-06T06:30:42Z-
dc.date.available2010-09-06T06:30:42Z-
dc.date.issued2004en_HK
dc.identifier.citationEnvironmental Technology, 2004, v. 25 n. 7, p. 757-761en_HK
dc.identifier.issn0959-3330en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71296-
dc.description.abstractThis study shows diethyl phthalate (DEP) and dibutyl phthalate (DBP) were substantially adsorbed by activated sludge and its extracellular polymeric substance (EPS). The adsorption characteristics followed Freundlich and Langmuir isotherms. According to the Langmuir isotherm, each gram of activated sludge at maximum adsorbed 0.73 mg of DEP and 17.6 mg of DBP, and each gram of centrifugation-extracted EPS adsorbed 14.3 mg of DEP and 10.6 m of DBP. The adsorption increased with the hydrophobicity of phthalates. This suggests most phthalates, which are of higher hydrophobicity than DEP and DBP likely to be removed from wastewater through adsorption by the activated sludge in the biological treatment process. © Selper Ltd, 2004.en_HK
dc.languageengen_HK
dc.publisherSelper Ltd. The Journal's web site is located at http://www.environtechnol.co.uken_HK
dc.relation.ispartofEnvironmental Technologyen_HK
dc.subjectActivated sludge-
dc.subjectAdsorption-
dc.subjectBiopolymers-
dc.subjectEndocrine disruptors-
dc.subjectPhthalates-
dc.subject.meshAdsorptionen_HK
dc.subject.meshBiopolymersen_HK
dc.subject.meshBioreactorsen_HK
dc.subject.meshModels, Theoreticalen_HK
dc.subject.meshPhthalic Acids - chemistry - isolation & purificationen_HK
dc.subject.meshSewage - chemistry - microbiologyen_HK
dc.subject.meshTemperatureen_HK
dc.subject.meshWaste Disposal, Fluid - methodsen_HK
dc.titleAdsorption of phthalates by activated sludge and its biopolymersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0959-3330&volume=25&spage=757&epage=761&date=2004&atitle=Adsorption+of+phthalates+by+activated+sludge+and+its+biopolymersen_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/09593330.2004.9619366-
dc.identifier.pmid15346856-
dc.identifier.scopuseid_2-s2.0-4444278675en_HK
dc.identifier.hkuros104784en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-4444278675&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume25en_HK
dc.identifier.issue7en_HK
dc.identifier.spage757en_HK
dc.identifier.epage761en_HK
dc.identifier.isiWOS:000223713400003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK
dc.identifier.scopusauthoridZheng, H=7403440567en_HK
dc.identifier.issnl0959-3330-

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