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Article: Sorption behaviour of benzyl butyl phthalate on marine sediments: Equilibrium assessments, effects of organic carbon content, temperature and salinity

TitleSorption behaviour of benzyl butyl phthalate on marine sediments: Equilibrium assessments, effects of organic carbon content, temperature and salinity
Authors
KeywordsBenzyl Butyl Phthalate
Marine Sediment
Seawater
Sorption
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/marchem
Citation
Marine Chemistry, 2009, v. 115 n. 1-2, p. 66-71 How to Cite?
AbstractBenzyl butyl phthalate (BBP) is an endocrine-disrupting chemical, and its sorption behaviour on marine sediments was investigated. BBP sorption on the sediments was a rapid process, which could reach equilibrium in 6 h. The sorption equilibrium results could be well described by a linear isotherm. The BBP partition coefficient, Kd, varied from 7.16 to 12.54 L/g in approximately proportion to the organic content of the sediments. After H2O2 oxidation for removing the organic material from the sediments, the Kd values were reduced by more than 70%, but the organic normalised partition coefficient averaged 2165 L/g for the H2O2-treated sediments, which was more than three times of 598 L/g for the raw sediments. The sorption of BBP on the sediments increased with a decrease in temperature and an increase in salinity. A salting constant of 1.14 L/mol was obtained for BBP in artificial seawater. These research findings are of importance to an assessment of the fate and transport of BBP and other similar endocrine-disrupting chemicals (EDCs) in seawater-sediment systems. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150506
ISSN
2015 Impact Factor: 3.412
2015 SCImago Journal Rankings: 1.389
ISI Accession Number ID
Funding AgencyGrant Number
University of Hong Kong200607176104
Research Grants CouncilHKU7149/06E
University Grants Committee (UGC) of the Hong Kong SAR Government, ChinaAoE/P-04/2004
Funding Information:

This research was supported by grants 200607176104 of Small Project Funding from the University of Hong Kong, HKU7149/06E from the Research Grants Council (RGC) and AoE/P-04/2004 from the University Grants Committee (UGC) of the Hong Kong SAR Government, China. The technical assistance of Mr. Keith C. H. Wong is highly appreciated. Finally, we are grateful to two anonymous reviewers for their constructive comments and suggestion on the manuscript.

References

 

DC FieldValueLanguage
dc.contributor.authorXu, XRen_US
dc.contributor.authorLi, XYen_US
dc.date.accessioned2012-06-26T06:05:16Z-
dc.date.available2012-06-26T06:05:16Z-
dc.date.issued2009en_US
dc.identifier.citationMarine Chemistry, 2009, v. 115 n. 1-2, p. 66-71en_US
dc.identifier.issn0304-4203en_US
dc.identifier.urihttp://hdl.handle.net/10722/150506-
dc.description.abstractBenzyl butyl phthalate (BBP) is an endocrine-disrupting chemical, and its sorption behaviour on marine sediments was investigated. BBP sorption on the sediments was a rapid process, which could reach equilibrium in 6 h. The sorption equilibrium results could be well described by a linear isotherm. The BBP partition coefficient, Kd, varied from 7.16 to 12.54 L/g in approximately proportion to the organic content of the sediments. After H2O2 oxidation for removing the organic material from the sediments, the Kd values were reduced by more than 70%, but the organic normalised partition coefficient averaged 2165 L/g for the H2O2-treated sediments, which was more than three times of 598 L/g for the raw sediments. The sorption of BBP on the sediments increased with a decrease in temperature and an increase in salinity. A salting constant of 1.14 L/mol was obtained for BBP in artificial seawater. These research findings are of importance to an assessment of the fate and transport of BBP and other similar endocrine-disrupting chemicals (EDCs) in seawater-sediment systems. © 2009 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/marchemen_US
dc.relation.ispartofMarine Chemistryen_US
dc.subjectBenzyl Butyl Phthalateen_US
dc.subjectMarine Sedimenten_US
dc.subjectSeawateren_US
dc.subjectSorptionen_US
dc.titleSorption behaviour of benzyl butyl phthalate on marine sediments: Equilibrium assessments, effects of organic carbon content, temperature and salinityen_US
dc.typeArticleen_US
dc.identifier.emailLi, XY:xlia@hkucc.hku.hken_US
dc.identifier.authorityLi, XY=rp00222en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.marchem.2009.06.006en_US
dc.identifier.scopuseid_2-s2.0-69249231971en_US
dc.identifier.hkuros178446-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-69249231971&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume115en_US
dc.identifier.issue1-2en_US
dc.identifier.spage66en_US
dc.identifier.epage71en_US
dc.identifier.isiWOS:000270265400007-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridXu, XR=7405293882en_US
dc.identifier.scopusauthoridLi, XY=26642887900en_US
dc.identifier.citeulike5329765-

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