Transport of Fullerene Nanoparticles (nC60) in Saturated Sand and Sandy Soil: Controlling Factors and Modeling
Understanding subsurface transport of fullerene nanoparticles (nC60) is of critical importance for the benign use and risk management of C60. We examined the effects of several important environmental factors on nC60 transport in saturated porous media. Decreasing flow velocity from approximately 10...
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Veröffentlicht in: | Environmental science & technology 2012-07, Vol.46 (13), p.7230-7238 |
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description | Understanding subsurface transport of fullerene nanoparticles (nC60) is of critical importance for the benign use and risk management of C60. We examined the effects of several important environmental factors on nC60 transport in saturated porous media. Decreasing flow velocity from approximately 10 to 1 m/d had little effect on nC60 transport in Ottawa sand (mainly pure quartz), but significantly inhibited the transport in Lula soil (a sandy, low-organic-matter soil). The difference was attributable to the smaller grain size, more irregular and rougher shape, and greater heterogeneity of Lula soil. Increasing ionic strength and switching background solution from NaCl to CaCl2 enhanced the deposition of nC60 in both sand and soil columns, but the effects were more significant for soil. This was likely because the clay minerals (and possibly soil organic matter) in soil responded to changes of ionic strength and species differently than quartz. Anions in the mobile phase had little effect on nC60 transport, and fulvic acid in the mobile phase (5.0 mg/L) had a small effect in the presence of 0.5 mM Ca2+. A two-site transport model that takes into account both the blocking-affected attachment process and straining effects can effectively model the breakthrough of nC60. |
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We examined the effects of several important environmental factors on nC60 transport in saturated porous media. Decreasing flow velocity from approximately 10 to 1 m/d had little effect on nC60 transport in Ottawa sand (mainly pure quartz), but significantly inhibited the transport in Lula soil (a sandy, low-organic-matter soil). The difference was attributable to the smaller grain size, more irregular and rougher shape, and greater heterogeneity of Lula soil. Increasing ionic strength and switching background solution from NaCl to CaCl2 enhanced the deposition of nC60 in both sand and soil columns, but the effects were more significant for soil. This was likely because the clay minerals (and possibly soil organic matter) in soil responded to changes of ionic strength and species differently than quartz. Anions in the mobile phase had little effect on nC60 transport, and fulvic acid in the mobile phase (5.0 mg/L) had a small effect in the presence of 0.5 mM Ca2+. A two-site transport model that takes into account both the blocking-affected attachment process and straining effects can effectively model the breakthrough of nC60.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es301234m</identifier><identifier>PMID: 22681192</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; Benzopyrans - chemistry ; Biological and physicochemical properties of pollutants. Interaction in the soil ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Flow velocity ; Fullerenes ; Fullerenes - chemistry ; Grain size ; Humic Substances - analysis ; Ions ; Models, Chemical ; Motion ; Nanoparticles ; Nanoparticles - chemistry ; Osmolar Concentration ; Pollution ; Pollution, environment geology ; Porosity ; Quartz ; Silicon Dioxide - chemistry ; Soil - analysis ; Soil and sediments pollution ; Soil Pollutants - chemistry</subject><ispartof>Environmental science & technology, 2012-07, Vol.46 (13), p.7230-7238</ispartof><rights>Copyright © 2012 American Chemical Society</rights><rights>2014 INIST-CNRS</rights><rights>Copyright American Chemical Society Jul 3, 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a373t-a5e4cd7e4481a065cef4a02aba6e456acdda1f82c3d5b07ef506921730b6d3093</citedby><cites>FETCH-LOGICAL-a373t-a5e4cd7e4481a065cef4a02aba6e456acdda1f82c3d5b07ef506921730b6d3093</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/es301234m$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es301234m$$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=26098083$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22681192$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Lunliang</creatorcontrib><creatorcontrib>Hou, Lei</creatorcontrib><creatorcontrib>Wang, Lilin</creatorcontrib><creatorcontrib>Kan, Amy T</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Tomson, Mason B</creatorcontrib><title>Transport of Fullerene Nanoparticles (nC60) in Saturated Sand and Sandy Soil: Controlling Factors and Modeling</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Understanding subsurface transport of fullerene nanoparticles (nC60) is of critical importance for the benign use and risk management of C60. We examined the effects of several important environmental factors on nC60 transport in saturated porous media. Decreasing flow velocity from approximately 10 to 1 m/d had little effect on nC60 transport in Ottawa sand (mainly pure quartz), but significantly inhibited the transport in Lula soil (a sandy, low-organic-matter soil). The difference was attributable to the smaller grain size, more irregular and rougher shape, and greater heterogeneity of Lula soil. Increasing ionic strength and switching background solution from NaCl to CaCl2 enhanced the deposition of nC60 in both sand and soil columns, but the effects were more significant for soil. This was likely because the clay minerals (and possibly soil organic matter) in soil responded to changes of ionic strength and species differently than quartz. Anions in the mobile phase had little effect on nC60 transport, and fulvic acid in the mobile phase (5.0 mg/L) had a small effect in the presence of 0.5 mM Ca2+. A two-site transport model that takes into account both the blocking-affected attachment process and straining effects can effectively model the breakthrough of nC60.</description><subject>Applied sciences</subject><subject>Benzopyrans - chemistry</subject><subject>Biological and physicochemical properties of pollutants. Interaction in the soil</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Flow velocity</subject><subject>Fullerenes</subject><subject>Fullerenes - chemistry</subject><subject>Grain size</subject><subject>Humic Substances - analysis</subject><subject>Ions</subject><subject>Models, Chemical</subject><subject>Motion</subject><subject>Nanoparticles</subject><subject>Nanoparticles - chemistry</subject><subject>Osmolar Concentration</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>Porosity</subject><subject>Quartz</subject><subject>Silicon Dioxide - chemistry</subject><subject>Soil - analysis</subject><subject>Soil and sediments pollution</subject><subject>Soil Pollutants - chemistry</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpd0E1LAzEQBuAgiq3Vg39AAiLYw-ok2U13vcliVah6aAVvZZpkZcs2qcnuof_e7YdVPAwzhIeZ8BJyzuCGAWe3JghgXMSLA9JlCYcoSRN2SLoATESZkB8dchLCHAC4gPSYdDiXKWMZ7xI78WjD0vmauoIOm6oy3lhDX9G6Jfq6VJUJ9NrmEvq0tHSMdeOxNrqdrKbrWg8rOnZldUdzZ2vvqqq0n3SIqnY-bMyL02b9eEqOCqyCOdv1HnkfPkzyp2j09vic348iFANRR5iYWOmBieOUIchEmSJG4DhDaeJEotIaWZFyJXQyg4EpEpAZZwMBM6kFZKJHLrd7l959NSbU07lrvG1PTtvExIanrepvlfIuBG-K6dKXC_SrFq0dm-6Tbe3FbmMzWxi9lz9RtuBqBzAorIo2V1WGXychSyEVvw5V-Pur_we_Ad5qi8o</recordid><startdate>20120703</startdate><enddate>20120703</enddate><creator>Zhang, Lunliang</creator><creator>Hou, Lei</creator><creator>Wang, Lilin</creator><creator>Kan, Amy T</creator><creator>Chen, Wei</creator><creator>Tomson, Mason B</creator><general>American Chemical Society</general><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></search><sort><creationdate>20120703</creationdate><title>Transport of Fullerene Nanoparticles (nC60) in Saturated Sand and Sandy Soil: Controlling Factors and Modeling</title><author>Zhang, Lunliang ; Hou, Lei ; Wang, Lilin ; Kan, Amy T ; Chen, Wei ; Tomson, Mason B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a373t-a5e4cd7e4481a065cef4a02aba6e456acdda1f82c3d5b07ef506921730b6d3093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Benzopyrans - chemistry</topic><topic>Biological and physicochemical properties of pollutants. Interaction in the soil</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Flow velocity</topic><topic>Fullerenes</topic><topic>Fullerenes - chemistry</topic><topic>Grain size</topic><topic>Humic Substances - analysis</topic><topic>Ions</topic><topic>Models, Chemical</topic><topic>Motion</topic><topic>Nanoparticles</topic><topic>Nanoparticles - chemistry</topic><topic>Osmolar Concentration</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>Porosity</topic><topic>Quartz</topic><topic>Silicon Dioxide - chemistry</topic><topic>Soil - analysis</topic><topic>Soil and sediments pollution</topic><topic>Soil Pollutants - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Lunliang</creatorcontrib><creatorcontrib>Hou, Lei</creatorcontrib><creatorcontrib>Wang, Lilin</creatorcontrib><creatorcontrib>Kan, Amy T</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Tomson, Mason B</creatorcontrib><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>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Lunliang</au><au>Hou, Lei</au><au>Wang, Lilin</au><au>Kan, Amy T</au><au>Chen, Wei</au><au>Tomson, Mason B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transport of Fullerene Nanoparticles (nC60) in Saturated Sand and Sandy Soil: Controlling Factors and Modeling</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2012-07-03</date><risdate>2012</risdate><volume>46</volume><issue>13</issue><spage>7230</spage><epage>7238</epage><pages>7230-7238</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Understanding subsurface transport of fullerene nanoparticles (nC60) is of critical importance for the benign use and risk management of C60. We examined the effects of several important environmental factors on nC60 transport in saturated porous media. Decreasing flow velocity from approximately 10 to 1 m/d had little effect on nC60 transport in Ottawa sand (mainly pure quartz), but significantly inhibited the transport in Lula soil (a sandy, low-organic-matter soil). The difference was attributable to the smaller grain size, more irregular and rougher shape, and greater heterogeneity of Lula soil. Increasing ionic strength and switching background solution from NaCl to CaCl2 enhanced the deposition of nC60 in both sand and soil columns, but the effects were more significant for soil. This was likely because the clay minerals (and possibly soil organic matter) in soil responded to changes of ionic strength and species differently than quartz. Anions in the mobile phase had little effect on nC60 transport, and fulvic acid in the mobile phase (5.0 mg/L) had a small effect in the presence of 0.5 mM Ca2+. A two-site transport model that takes into account both the blocking-affected attachment process and straining effects can effectively model the breakthrough of nC60.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>22681192</pmid><doi>10.1021/es301234m</doi><tpages>9</tpages></addata></record> |
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subjects | Applied sciences Benzopyrans - chemistry Biological and physicochemical properties of pollutants. Interaction in the soil Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Flow velocity Fullerenes Fullerenes - chemistry Grain size Humic Substances - analysis Ions Models, Chemical Motion Nanoparticles Nanoparticles - chemistry Osmolar Concentration Pollution Pollution, environment geology Porosity Quartz Silicon Dioxide - chemistry Soil - analysis Soil and sediments pollution Soil Pollutants - chemistry |
title | Transport of Fullerene Nanoparticles (nC60) in Saturated Sand and Sandy Soil: Controlling Factors and Modeling |
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