Sorption of Pyrene by Regular and Nanoscaled Metal Oxide Particles: Influence of Adsorbed Organic Matter
Sorption of pyrene by regular and nanoscaled aluminum, zinc, and titanium oxides was examined. All oxides had low sorption for pyrene because of sorbed water molecules. Due to the larger surface area (SA) of nanoparticles, they had higher sorption for pyrene than the regular ones. Organic matter (OM...
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| Veröffentlicht in: | Environmental science & technology 2008-10, Vol.42 (19), p.7267-7272 |
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| creator | Wang, Xilong Lu, Jialong Xu, Minggang Xing, Baoshan |
| description | Sorption of pyrene by regular and nanoscaled aluminum, zinc, and titanium oxides was examined. All oxides had low sorption for pyrene because of sorbed water molecules. Due to the larger surface area (SA) of nanoparticles, they had higher sorption for pyrene than the regular ones. Organic matter (OM) coating greatly enhanced pyrene sorption by all oxides, noting the importance of sorbed OM in sorption of hydrophobic organic compounds (HOCs). Due to higher sorption site density in the sorbed OM phase on the regular oxide surfaces, SA-normalized distribution coefficients (K dSA) of pyrene by OM-regular oxide complexes (6.0−40.6) were greater than the OM-coated oxide nanoparticles (0.7−12.5). Furthermore, the OM-regular oxide complexes had higher organic carbon content-normalized K dSA values of pyrene (48−17 300) than the OM-nanoscaled oxide complexes (15−1530). This variation may be due to different physical forms and fractionation of the loaded OM on regular and nanoscaled oxide particles. |
| doi_str_mv | 10.1021/es8015414 |
| format | Article |
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All oxides had low sorption for pyrene because of sorbed water molecules. Due to the larger surface area (SA) of nanoparticles, they had higher sorption for pyrene than the regular ones. Organic matter (OM) coating greatly enhanced pyrene sorption by all oxides, noting the importance of sorbed OM in sorption of hydrophobic organic compounds (HOCs). Due to higher sorption site density in the sorbed OM phase on the regular oxide surfaces, SA-normalized distribution coefficients (K dSA) of pyrene by OM-regular oxide complexes (6.0−40.6) were greater than the OM-coated oxide nanoparticles (0.7−12.5). Furthermore, the OM-regular oxide complexes had higher organic carbon content-normalized K dSA values of pyrene (48−17 300) than the OM-nanoscaled oxide complexes (15−1530). This variation may be due to different physical forms and fractionation of the loaded OM on regular and nanoscaled oxide particles.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es8015414</identifier><identifier>PMID: 18939557</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Adsorption ; Applied sciences ; Carbon - chemistry ; Elements ; Environmental Processes ; Exact sciences and technology ; Models, Chemical ; Molecular chemistry ; Molecules ; Nanoparticles ; Nanoparticles - chemistry ; Organic Chemicals - chemistry ; Organic contaminants ; Oxides - chemistry ; Pollution ; Pyrenes - chemistry ; Sorption ; Surface Properties</subject><ispartof>Environmental science & technology, 2008-10, Vol.42 (19), p.7267-7272</ispartof><rights>Copyright © 2008 American Chemical Society</rights><rights>2009 INIST-CNRS</rights><rights>Copyright American Chemical Society Oct 1, 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a440t-a77ab123cd08551fe23e0074cc5d65eafd418bd1f40d9cfce7667db8f01eef163</citedby><cites>FETCH-LOGICAL-a440t-a77ab123cd08551fe23e0074cc5d65eafd418bd1f40d9cfce7667db8f01eef163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es8015414$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es8015414$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20703999$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18939557$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Xilong</creatorcontrib><creatorcontrib>Lu, Jialong</creatorcontrib><creatorcontrib>Xu, Minggang</creatorcontrib><creatorcontrib>Xing, Baoshan</creatorcontrib><title>Sorption of Pyrene by Regular and Nanoscaled Metal Oxide Particles: Influence of Adsorbed Organic Matter</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Sorption of pyrene by regular and nanoscaled aluminum, zinc, and titanium oxides was examined. All oxides had low sorption for pyrene because of sorbed water molecules. Due to the larger surface area (SA) of nanoparticles, they had higher sorption for pyrene than the regular ones. Organic matter (OM) coating greatly enhanced pyrene sorption by all oxides, noting the importance of sorbed OM in sorption of hydrophobic organic compounds (HOCs). Due to higher sorption site density in the sorbed OM phase on the regular oxide surfaces, SA-normalized distribution coefficients (K dSA) of pyrene by OM-regular oxide complexes (6.0−40.6) were greater than the OM-coated oxide nanoparticles (0.7−12.5). Furthermore, the OM-regular oxide complexes had higher organic carbon content-normalized K dSA values of pyrene (48−17 300) than the OM-nanoscaled oxide complexes (15−1530). This variation may be due to different physical forms and fractionation of the loaded OM on regular and nanoscaled oxide particles.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Carbon - chemistry</subject><subject>Elements</subject><subject>Environmental Processes</subject><subject>Exact sciences and technology</subject><subject>Models, Chemical</subject><subject>Molecular chemistry</subject><subject>Molecules</subject><subject>Nanoparticles</subject><subject>Nanoparticles - chemistry</subject><subject>Organic Chemicals - chemistry</subject><subject>Organic contaminants</subject><subject>Oxides - chemistry</subject><subject>Pollution</subject><subject>Pyrenes - chemistry</subject><subject>Sorption</subject><subject>Surface Properties</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90V1v0zAUBuAIgVg3uOAPIAuJIS4Cx7Edx9xN5WvStlZ0DO4sxz4eGalT7ERa_z0prVoJJK584Uevfc6bZc8ovKFQ0LeYKqCCU_4gm1BRQC4qQR9mEwDKcsXK70fZcUp3AFAwqB5nR7RSTAkhJ9mPRRdXfdMF0nkyX0cMSOo1-YK3Q2siMcGRKxO6ZE2Ljlxib1oyu28ckrmJfWNbTO_IefDtgMHiJuTMpS7WI57FWxMaSy5N32N8kj3ypk34dHeeZF8_friefs4vZp_Op2cXueEc-txIaWpaMOugEoJ6LBgCSG6tcKVA4x2nVe2o5-CU9RZlWUpXVx4ooqclO8lebXNXsfs1YOr1skkW29YE7IakFa2Aj46P8vS_slSlouIPfPEXvOuGGMYp9LjPceFMqhG93iIbu5Qier2KzdLEtaagNy3pfUujfb4LHOoluoPc1TKClztgNpv30QTbpL0rQAJTavNovnVN6vF-f2_iT11KJoW-ni-0-MavFu9vpvrmkGtsOgzx7wd_AwqAs-o</recordid><startdate>20081001</startdate><enddate>20081001</enddate><creator>Wang, Xilong</creator><creator>Lu, Jialong</creator><creator>Xu, Minggang</creator><creator>Xing, Baoshan</creator><general>American Chemical Society</general><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>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope><scope>7QH</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20081001</creationdate><title>Sorption of Pyrene by Regular and Nanoscaled Metal Oxide Particles: Influence of Adsorbed Organic Matter</title><author>Wang, Xilong ; 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Sci. Technol</addtitle><date>2008-10-01</date><risdate>2008</risdate><volume>42</volume><issue>19</issue><spage>7267</spage><epage>7272</epage><pages>7267-7272</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Sorption of pyrene by regular and nanoscaled aluminum, zinc, and titanium oxides was examined. All oxides had low sorption for pyrene because of sorbed water molecules. Due to the larger surface area (SA) of nanoparticles, they had higher sorption for pyrene than the regular ones. Organic matter (OM) coating greatly enhanced pyrene sorption by all oxides, noting the importance of sorbed OM in sorption of hydrophobic organic compounds (HOCs). Due to higher sorption site density in the sorbed OM phase on the regular oxide surfaces, SA-normalized distribution coefficients (K dSA) of pyrene by OM-regular oxide complexes (6.0−40.6) were greater than the OM-coated oxide nanoparticles (0.7−12.5). Furthermore, the OM-regular oxide complexes had higher organic carbon content-normalized K dSA values of pyrene (48−17 300) than the OM-nanoscaled oxide complexes (15−1530). This variation may be due to different physical forms and fractionation of the loaded OM on regular and nanoscaled oxide particles.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>18939557</pmid><doi>10.1021/es8015414</doi><tpages>6</tpages></addata></record> |
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| subjects | Adsorption Applied sciences Carbon - chemistry Elements Environmental Processes Exact sciences and technology Models, Chemical Molecular chemistry Molecules Nanoparticles Nanoparticles - chemistry Organic Chemicals - chemistry Organic contaminants Oxides - chemistry Pollution Pyrenes - chemistry Sorption Surface Properties |
| title | Sorption of Pyrene by Regular and Nanoscaled Metal Oxide Particles: Influence of Adsorbed Organic Matter |
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