Effect of suspended uncontaminated sediment on persistent organic pollutant release
The transport and fate of persistent organic pollutants (POPs) during resuspension events were investigated using a batch mixing technique. This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigatio...
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| Veröffentlicht in: | Environmental toxicology and chemistry 2014-02, Vol.33 (2), p.375-381 |
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| creator | Handlin, Mzuri Molina, Andrew James, Nicole McConville, Megan Dunnivant, Frank |
| description | The transport and fate of persistent organic pollutants (POPs) during resuspension events were investigated using a batch mixing technique. This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigations. It was demonstrated that sorption follows second‐order kinetics that are dependent on both POP concentration and the total suspended solids (TSS) of the system. Desorption shows a similar dependence. To further characterize pollutant release, the impact on maximum POP release of suspending uncontaminated sediment concomitantly with contaminated sediment was investigated, as this more accurately models real‐world resuspension events. It was found that even relatively low ratios of uncontaminated to contaminated sediment (1:2) yield a maximum POP release nearly 10 times lower than for systems containing only contaminated sediment. Increasing the ratio of uncontaminated sediment further reduced maximum POP release. These results highlight an important limitation of laboratory desorption experiments and current risk‐assessment models related to dredging operations; under typical field conditions, the impact of dredging on pollutant transport and fate may be greatly overpredicted. Environ Toxicol Chem 2014;33:375–381. © 2013 SETAC |
| doi_str_mv | 10.1002/etc.2430 |
| format | Article |
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This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigations. It was demonstrated that sorption follows second‐order kinetics that are dependent on both POP concentration and the total suspended solids (TSS) of the system. Desorption shows a similar dependence. To further characterize pollutant release, the impact on maximum POP release of suspending uncontaminated sediment concomitantly with contaminated sediment was investigated, as this more accurately models real‐world resuspension events. It was found that even relatively low ratios of uncontaminated to contaminated sediment (1:2) yield a maximum POP release nearly 10 times lower than for systems containing only contaminated sediment. Increasing the ratio of uncontaminated sediment further reduced maximum POP release. These results highlight an important limitation of laboratory desorption experiments and current risk‐assessment models related to dredging operations; under typical field conditions, the impact of dredging on pollutant transport and fate may be greatly overpredicted. Environ Toxicol Chem 2014;33:375–381. © 2013 SETAC</description><identifier>ISSN: 0730-7268</identifier><identifier>EISSN: 1552-8618</identifier><identifier>DOI: 10.1002/etc.2430</identifier><identifier>PMID: 24130007</identifier><identifier>CODEN: ETOCDK</identifier><language>eng</language><publisher>Pensacola, FL: Blackwell Publishing Ltd</publisher><subject>Adsorption ; Applied sciences ; Biological and physicochemical properties of pollutants. Interaction in the soil ; Contaminated sediments ; Contamination ; DDT - chemistry ; Desorption ; Desorption kinetics ; Dichlorodiphenyldichloroethane - chemistry ; Dredging ; Effects ; Exact sciences and technology ; Experiments ; Geologic Sediments - chemistry ; Kinetics ; mixing ; Models, Theoretical ; Persistent organic pollutants ; Pollutants ; Pollution ; Pollution dispersion ; Resuspension events ; Sediment pollution ; Sediments ; Soil and sediments pollution ; Sorption ; Sorption kinetics ; Suspending (mixing) ; Total suspended solids ; Transport ; Water Pollutants, Chemical - chemistry</subject><ispartof>Environmental toxicology and chemistry, 2014-02, Vol.33 (2), p.375-381</ispartof><rights>2013 SETAC</rights><rights>2015 INIST-CNRS</rights><rights>2013 SETAC.</rights><rights>Copyright Blackwell Publishing Ltd. 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This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigations. It was demonstrated that sorption follows second‐order kinetics that are dependent on both POP concentration and the total suspended solids (TSS) of the system. Desorption shows a similar dependence. To further characterize pollutant release, the impact on maximum POP release of suspending uncontaminated sediment concomitantly with contaminated sediment was investigated, as this more accurately models real‐world resuspension events. It was found that even relatively low ratios of uncontaminated to contaminated sediment (1:2) yield a maximum POP release nearly 10 times lower than for systems containing only contaminated sediment. Increasing the ratio of uncontaminated sediment further reduced maximum POP release. These results highlight an important limitation of laboratory desorption experiments and current risk‐assessment models related to dredging operations; under typical field conditions, the impact of dredging on pollutant transport and fate may be greatly overpredicted. Environ Toxicol Chem 2014;33:375–381. © 2013 SETAC</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Biological and physicochemical properties of pollutants. Interaction in the soil</subject><subject>Contaminated sediments</subject><subject>Contamination</subject><subject>DDT - chemistry</subject><subject>Desorption</subject><subject>Desorption kinetics</subject><subject>Dichlorodiphenyldichloroethane - chemistry</subject><subject>Dredging</subject><subject>Effects</subject><subject>Exact sciences and technology</subject><subject>Experiments</subject><subject>Geologic Sediments - chemistry</subject><subject>Kinetics</subject><subject>mixing</subject><subject>Models, Theoretical</subject><subject>Persistent organic pollutants</subject><subject>Pollutants</subject><subject>Pollution</subject><subject>Pollution dispersion</subject><subject>Resuspension events</subject><subject>Sediment pollution</subject><subject>Sediments</subject><subject>Soil and sediments pollution</subject><subject>Sorption</subject><subject>Sorption kinetics</subject><subject>Suspending (mixing)</subject><subject>Total suspended solids</subject><subject>Transport</subject><subject>Water Pollutants, Chemical - chemistry</subject><issn>0730-7268</issn><issn>1552-8618</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0V1rFTEQBuAgFnusgr9AF0TozdZ8Z3NZSluVtgq16F2Yk4-ydTe7Jrto_705PdsWBPEqJDzMZOZF6BXBBwRj-t5P9oByhp-gFRGC1o0kzVO0worhWlHZ7KLnOd9gTKTW-hnapZwwjLFaocvjELydqiFUec6jj867ao52iBP0bYSpXLN3be9jQbEafcptnu5u6Rpia6tx6Lp5gvKSfOch-xdoJ0CX_cvl3ENXJ8dfjz7UZ59PPx4dntVWcI7rBmtFJLOEUSBSeAhiTR0Fp3mgQhFgbI2VojxgrR0TMlAA7rSTjVVartke2t_WHdPwc_Z5Mn2bre86iH6YsyFKUsIa2pD_U1G2oTXhotC3f9GbYU6xDGIIL4IqzdhjQZuGnJMPZkxtD-nWEGw2mZiSidlkUujrpeC87r17gPchFPBuAZAtdCFBtG1-dA2Vi6u37lfb-dt_NjTFLI0Xvwns94OH9MNIxZQw3y5OzSf9_fzL-cWJ2cz0ZusDDAauU_nD1SXFhJfuQjZljX8ADf-4tg</recordid><startdate>201402</startdate><enddate>201402</enddate><creator>Handlin, Mzuri</creator><creator>Molina, Andrew</creator><creator>James, Nicole</creator><creator>McConville, Megan</creator><creator>Dunnivant, Frank</creator><general>Blackwell Publishing Ltd</general><general>SETAC</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T7</scope><scope>7TK</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7TV</scope><scope>7U1</scope><scope>7U2</scope><scope>7SU</scope><scope>KR7</scope></search><sort><creationdate>201402</creationdate><title>Effect of suspended uncontaminated sediment on persistent organic pollutant release</title><author>Handlin, Mzuri ; Molina, Andrew ; James, Nicole ; McConville, Megan ; Dunnivant, Frank</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5440-8097163c132a165eaf5b2d2ad94f2571a33b07724f099d356f2aa4d9d68c796b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Biological and physicochemical properties of pollutants. Interaction in the soil</topic><topic>Contaminated sediments</topic><topic>Contamination</topic><topic>DDT - chemistry</topic><topic>Desorption</topic><topic>Desorption kinetics</topic><topic>Dichlorodiphenyldichloroethane - chemistry</topic><topic>Dredging</topic><topic>Effects</topic><topic>Exact sciences and technology</topic><topic>Experiments</topic><topic>Geologic Sediments - chemistry</topic><topic>Kinetics</topic><topic>mixing</topic><topic>Models, Theoretical</topic><topic>Persistent organic pollutants</topic><topic>Pollutants</topic><topic>Pollution</topic><topic>Pollution dispersion</topic><topic>Resuspension events</topic><topic>Sediment pollution</topic><topic>Sediments</topic><topic>Soil and sediments pollution</topic><topic>Sorption</topic><topic>Sorption kinetics</topic><topic>Suspending (mixing)</topic><topic>Total suspended solids</topic><topic>Transport</topic><topic>Water Pollutants, Chemical - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Handlin, Mzuri</creatorcontrib><creatorcontrib>Molina, Andrew</creatorcontrib><creatorcontrib>James, Nicole</creatorcontrib><creatorcontrib>McConville, Megan</creatorcontrib><creatorcontrib>Dunnivant, Frank</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Risk Abstracts</collection><collection>Safety Science and Risk</collection><collection>Environmental Engineering Abstracts</collection><collection>Civil Engineering Abstracts</collection><jtitle>Environmental toxicology and chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Handlin, Mzuri</au><au>Molina, Andrew</au><au>James, Nicole</au><au>McConville, Megan</au><au>Dunnivant, Frank</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of suspended uncontaminated sediment on persistent organic pollutant release</atitle><jtitle>Environmental toxicology and chemistry</jtitle><addtitle>Environ Toxicol Chem</addtitle><date>2014-02</date><risdate>2014</risdate><volume>33</volume><issue>2</issue><spage>375</spage><epage>381</epage><pages>375-381</pages><issn>0730-7268</issn><eissn>1552-8618</eissn><coden>ETOCDK</coden><abstract>The transport and fate of persistent organic pollutants (POPs) during resuspension events were investigated using a batch mixing technique. This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigations. It was demonstrated that sorption follows second‐order kinetics that are dependent on both POP concentration and the total suspended solids (TSS) of the system. Desorption shows a similar dependence. To further characterize pollutant release, the impact on maximum POP release of suspending uncontaminated sediment concomitantly with contaminated sediment was investigated, as this more accurately models real‐world resuspension events. It was found that even relatively low ratios of uncontaminated to contaminated sediment (1:2) yield a maximum POP release nearly 10 times lower than for systems containing only contaminated sediment. Increasing the ratio of uncontaminated sediment further reduced maximum POP release. These results highlight an important limitation of laboratory desorption experiments and current risk‐assessment models related to dredging operations; under typical field conditions, the impact of dredging on pollutant transport and fate may be greatly overpredicted. Environ Toxicol Chem 2014;33:375–381. © 2013 SETAC</abstract><cop>Pensacola, FL</cop><pub>Blackwell Publishing Ltd</pub><pmid>24130007</pmid><doi>10.1002/etc.2430</doi><tpages>7</tpages></addata></record> |
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| ispartof | Environmental toxicology and chemistry, 2014-02, Vol.33 (2), p.375-381 |
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| source | MEDLINE; Access via Wiley Online Library |
| subjects | Adsorption Applied sciences Biological and physicochemical properties of pollutants. Interaction in the soil Contaminated sediments Contamination DDT - chemistry Desorption Desorption kinetics Dichlorodiphenyldichloroethane - chemistry Dredging Effects Exact sciences and technology Experiments Geologic Sediments - chemistry Kinetics mixing Models, Theoretical Persistent organic pollutants Pollutants Pollution Pollution dispersion Resuspension events Sediment pollution Sediments Soil and sediments pollution Sorption Sorption kinetics Suspending (mixing) Total suspended solids Transport Water Pollutants, Chemical - chemistry |
| title | Effect of suspended uncontaminated sediment on persistent organic pollutant release |
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