Remediation of polycyclic aromatic hydrocarbon compounds in groundwater using poplar trees.
Identifieur interne : 003F64 ( Main/Exploration ); précédent : 003F63; suivant : 003F65Remediation of polycyclic aromatic hydrocarbon compounds in groundwater using poplar trees.
Auteurs : Mark A. Widdowson [États-Unis] ; Sandra Shearer ; Rikke G. Andersen ; John T. NovakSource :
- Environmental science & technology [ 0013-936X ] ; 2005.
Descripteurs français
- KwdFr :
- Dépollution biologique de l'environnement (MeSH), Hydrocarbures aromatiques polycycliques (composition chimique), Hydrocarbures aromatiques polycycliques (isolement et purification), Hydrocarbures aromatiques polycycliques (métabolisme), Polluants de l'eau (isolement et purification), Polluants de l'eau (métabolisme), Polluants du sol (isolement et purification), Polluants du sol (métabolisme), Populus (composition chimique), Solubilité (MeSH).
- MESH :
- composition chimique : Hydrocarbures aromatiques polycycliques, Populus.
- isolement et purification : Hydrocarbures aromatiques polycycliques, Polluants de l'eau, Polluants du sol.
- métabolisme : Hydrocarbures aromatiques polycycliques, Polluants de l'eau, Polluants du sol.
- Dépollution biologique de l'environnement, Solubilité.
English descriptors
- KwdEn :
- Biodegradation, Environmental (MeSH), Polycyclic Aromatic Hydrocarbons (chemistry), Polycyclic Aromatic Hydrocarbons (isolation & purification), Polycyclic Aromatic Hydrocarbons (metabolism), Populus (chemistry), Soil Pollutants (isolation & purification), Soil Pollutants (metabolism), Solubility (MeSH), Water Pollutants (isolation & purification), Water Pollutants (metabolism).
- MESH :
- chemical , chemistry : Polycyclic Aromatic Hydrocarbons.
- chemical , isolation & purification : Polycyclic Aromatic Hydrocarbons, Soil Pollutants, Water Pollutants.
- chemical , metabolism : Polycyclic Aromatic Hydrocarbons, Soil Pollutants, Water Pollutants.
- chemistry : Populus.
- Biodegradation, Environmental, Solubility.
Abstract
A seven-year study was conducted to assess the effectiveness of hybrid poplar trees to remediate polycyclic aromatic hydrocarbon (PAH) compounds in soil and groundwater at a creosote-contaminated site. A reduction in the areal extent of the PAH plume was observed in the upper half of the 2-m-thick saturated zone, and PAH concentration levels in the groundwater declined throughout the plume. PAH concentrations began to decline during the period between the third and fourth growing seasons, which coincided with the propagation of the tree roots to the water table region. Remediation was limited to naphthalene and several three-ring PAHs (acenaphthylene and acenaphthene). PAH concentrations in soil and aquifer sediment samples also declined over time; however, levels of four-ring PAHs persisted at the lower depths during the study period. The naphthalene to total PAH concentration ratio in the most contaminated groundwater decreased from >0.90 at the beginning of the second growing season to approximately 0.70 at the end the study. Remediation in the lower region of the saturated zone was limited bythe presence of a 0.3-m-thick layer of creosote present as a dense nonaqueous phase liquid (DNAPL). The nearly steady-state condition of the PAH concentrations observed during the last three years of the study suggests that the effectiveness of the phytoremediation system is limited by the rate of PAH dissolution from the DNAPL source.
DOI: 10.1021/es0491681
PubMed: 15819215
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Widdowson</name><affiliation wicri:level="1"><nlm:affiliation>The Charles E Via Jr Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0105, USA. mwiddows@vt.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>The Charles E Via Jr Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0105</wicri:regionArea><wicri:noRegion>Virginia 24061-0105</wicri:noRegion></affiliation></author><author><name sortKey="Shearer, Sandra" sort="Shearer, Sandra" uniqKey="Shearer S" first="Sandra" last="Shearer">Sandra Shearer</name></author><author><name sortKey="Andersen, Rikke G" sort="Andersen, Rikke G" uniqKey="Andersen R" first="Rikke G" last="Andersen">Rikke G. Andersen</name></author><author><name sortKey="Novak, John T" sort="Novak, John T" uniqKey="Novak J" first="John T" last="Novak">John T. 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A reduction in the areal extent of the PAH plume was observed in the upper half of the 2-m-thick saturated zone, and PAH concentration levels in the groundwater declined throughout the plume. PAH concentrations began to decline during the period between the third and fourth growing seasons, which coincided with the propagation of the tree roots to the water table region. Remediation was limited to naphthalene and several three-ring PAHs (acenaphthylene and acenaphthene). PAH concentrations in soil and aquifer sediment samples also declined over time; however, levels of four-ring PAHs persisted at the lower depths during the study period. The naphthalene to total PAH concentration ratio in the most contaminated groundwater decreased from >0.90 at the beginning of the second growing season to approximately 0.70 at the end the study. Remediation in the lower region of the saturated zone was limited bythe presence of a 0.3-m-thick layer of creosote present as a dense nonaqueous phase liquid (DNAPL). The nearly steady-state condition of the PAH concentrations observed during the last three years of the study suggests that the effectiveness of the phytoremediation system is limited by the rate of PAH dissolution from the DNAPL source.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15819215</PMID><DateCompleted><Year>2005</Year><Month>07</Month><Day>25</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0013-936X</ISSN><JournalIssue CitedMedium="Print"><Volume>39</Volume><Issue>6</Issue><PubDate><Year>2005</Year><Month>Mar</Month><Day>15</Day></PubDate></JournalIssue><Title>Environmental science & technology</Title><ISOAbbreviation>Environ Sci Technol</ISOAbbreviation></Journal><ArticleTitle>Remediation of polycyclic aromatic hydrocarbon compounds in groundwater using poplar trees.</ArticleTitle><Pagination><MedlinePgn>1598-605</MedlinePgn></Pagination><Abstract><AbstractText>A seven-year study was conducted to assess the effectiveness of hybrid poplar trees to remediate polycyclic aromatic hydrocarbon (PAH) compounds in soil and groundwater at a creosote-contaminated site. A reduction in the areal extent of the PAH plume was observed in the upper half of the 2-m-thick saturated zone, and PAH concentration levels in the groundwater declined throughout the plume. PAH concentrations began to decline during the period between the third and fourth growing seasons, which coincided with the propagation of the tree roots to the water table region. Remediation was limited to naphthalene and several three-ring PAHs (acenaphthylene and acenaphthene). PAH concentrations in soil and aquifer sediment samples also declined over time; however, levels of four-ring PAHs persisted at the lower depths during the study period. The naphthalene to total PAH concentration ratio in the most contaminated groundwater decreased from >0.90 at the beginning of the second growing season to approximately 0.70 at the end the study. Remediation in the lower region of the saturated zone was limited bythe presence of a 0.3-m-thick layer of creosote present as a dense nonaqueous phase liquid (DNAPL). The nearly steady-state condition of the PAH concentrations observed during the last three years of the study suggests that the effectiveness of the phytoremediation system is limited by the rate of PAH dissolution from the DNAPL source.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Widdowson</LastName><ForeName>Mark A</ForeName><Initials>MA</Initials><AffiliationInfo><Affiliation>The Charles E Via Jr Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0105, USA. mwiddows@vt.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shearer</LastName><ForeName>Sandra</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Andersen</LastName><ForeName>Rikke G</ForeName><Initials>RG</Initials></Author><Author ValidYN="Y"><LastName>Novak</LastName><ForeName>John T</ForeName><Initials>JT</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Environ Sci Technol</MedlineTA><NlmUniqueID>0213155</NlmUniqueID><ISSNLinking>0013-936X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011084">Polycyclic Aromatic Hydrocarbons</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014873">Water Pollutants</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011084" MajorTopicYN="N">Polycyclic Aromatic Hydrocarbons</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012995" MajorTopicYN="N">Solubility</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014873" MajorTopicYN="N">Water Pollutants</DescriptorName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>4</Month><Day>12</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>7</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>4</Month><Day>12</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15819215</ArticleId><ArticleId IdType="doi">10.1021/es0491681</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Andersen, Rikke G" sort="Andersen, Rikke G" uniqKey="Andersen R" first="Rikke G" last="Andersen">Rikke G. Andersen</name><name sortKey="Novak, John T" sort="Novak, John T" uniqKey="Novak J" first="John T" last="Novak">John T. Novak</name><name sortKey="Shearer, Sandra" sort="Shearer, Sandra" uniqKey="Shearer S" first="Sandra" last="Shearer">Sandra Shearer</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Widdowson, Mark A" sort="Widdowson, Mark A" uniqKey="Widdowson M" first="Mark A" last="Widdowson">Mark A. Widdowson</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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