PittsburghV1, France, Analysis, bibRecord, 000331

Fate of Zinc Oxide and Silver Nanoparticles in a Pilot Wastewater Treatment Plant and in Processed Biosolids

Identifieur interne : 000331 ( France/Analysis ); précédent : 000330; suivant : 000332

Fate of Zinc Oxide and Silver Nanoparticles in a Pilot Wastewater Treatment Plant and in Processed Biosolids

Auteurs : RUI MA [États-Unis] ; Clement Levard [France] ; Jonathan D. Judy [États-Unis] ; Jason M. Unrine [États-Unis] ; Mark Durenkamp [Royaume-Uni] ; Ben Martin [Royaume-Uni] ; Bruce Jefferson [Royaume-Uni] ; Gregory V. Lowry [États-Unis]

Source :

Environmental science & technology [ 0013-936X ] ; 2014.

RBID : Pascal:15-0006424

Descripteurs français

Pascal (Inist)
- Zinc Oxyde, Argent, Nanoparticule, Station épuration, Boue résiduaire, Epuration eau usée, Epuration physicochimique, Epuration biologique, Réutilisation déchet, Traitement déchet, Traitement biologique, Devenir polluant, Evaluation risque, Impact environnement, Biocide, Nanomatériau, Traitement eau, Valorisation, Gestion déchet, Gestion ressources, Gestion risque.
Wicri :
- topic : Argent.

English descriptors

KwdEn :
- Biocide, Biological purification, Biological treatment, Environment impact, Nanoparticle, Nanostructured materials, Physicochemical purification, Pollutant behavior, Resource management, Risk assessment, Risk management, Sewage sludge, Sewage treatment plant, Silver, Upgrading, Waste management, Waste reuse, Waste treatment, Waste water purification, Water treatment, Zinc Oxides.

Abstract

Chemical transformations of silver nanoparticles (Ag NPs) and zinc oxide nanoparticles (ZnO NPs) during wastewater treatment and sludge treatment must be characterized to accurately assess the risks that these nanomaterials pose from land application of biosolids. Here, X-ray absorption spectroscopy (XAS) and supporting characterization methods are used to determine the chemical speciation of Ag and Zn in sludge from a pilot wastewater treatment plant (WWTP) that had received PVP coated 50 nm Ag NPs and 30 nm ZnO NPs, dissolved metal ions, or no added metal. The effects of composting and lime and heat treatment on metal speciation in the resulting biosolids were also examined. All added Ag was converted to Ag₂S, regardless of the form of Ag added (NP vs ionic). Zn was transformed to three Zn-containing species, ZnS, Zn,(PO₄)₂, and Zn associated Fe oxy/hydroxides, also regardless of the form of Zn added. Zn speciation was the same in the unamended control sludge. Ag₂S persisted in all sludge treatments. Zn₃(PO₄)₂ persisted in sludge and biosolids, but the ratio of ZnS and Zn associated with Fe oxy/hydroxide depended on the redox state and water content of the biosolids. Limited differences in Zn and Ag speciation among NP-dosed, ion-dosed, and control biosolids indicate that these nanoparticles are transformed to similar chemical forms as bulk metals already entering the WWTP.

Affiliations:

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Le document en format XML

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<sZ>8 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><settlement type="city">Pittsburgh</settlement>
<region type="state">Pennsylvanie</region>
</placeName>
<orgName type="university">Université Carnegie-Mellon</orgName>
</affiliation>
<affiliation><inist:fA14 i1="02"><s1>Center for Environmental Implications of Nanotechnology (CEINT)</s1>
<s3>INC</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>8 aut.</sZ>
</inist:fA14>
<wicri:noCountry>INC</wicri:noCountry>
</affiliation>
<affiliation><inist:fA14 i1="03"><s1>Transatlantic Initiative for Nanotechnology and the Environment (TINE)</s1>
<s3>INC</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
</inist:fA14>
<wicri:noCountry>INC</wicri:noCountry>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Environmental science & technology</title>
<title level="j" type="abbreviated">Environ. sci. technol.</title>
<idno type="ISSN">0013-936X</idno>
<imprint><date when="2014">2014</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Environmental science & technology</title>
<title level="j" type="abbreviated">Environ. sci. technol.</title>
<idno type="ISSN">0013-936X</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biocide</term>
<term>Biological purification</term>
<term>Biological treatment</term>
<term>Environment impact</term>
<term>Nanoparticle</term>
<term>Nanostructured materials</term>
<term>Physicochemical purification</term>
<term>Pollutant behavior</term>
<term>Resource management</term>
<term>Risk assessment</term>
<term>Risk management</term>
<term>Sewage sludge</term>
<term>Sewage treatment plant</term>
<term>Silver</term>
<term>Upgrading</term>
<term>Waste management</term>
<term>Waste reuse</term>
<term>Waste treatment</term>
<term>Waste water purification</term>
<term>Water treatment</term>
<term>Zinc Oxides</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Zinc Oxyde</term>
<term>Argent</term>
<term>Nanoparticule</term>
<term>Station épuration</term>
<term>Boue résiduaire</term>
<term>Epuration eau usée</term>
<term>Epuration physicochimique</term>
<term>Epuration biologique</term>
<term>Réutilisation déchet</term>
<term>Traitement déchet</term>
<term>Traitement biologique</term>
<term>Devenir polluant</term>
<term>Evaluation risque</term>
<term>Impact environnement</term>
<term>Biocide</term>
<term>Nanomatériau</term>
<term>Traitement eau</term>
<term>Valorisation</term>
<term>Gestion déchet</term>
<term>Gestion ressources</term>
<term>Gestion risque</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Argent</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Chemical transformations of silver nanoparticles (Ag NPs) and zinc oxide nanoparticles (ZnO NPs) during wastewater treatment and sludge treatment must be characterized to accurately assess the risks that these nanomaterials pose from land application of biosolids. Here, X-ray absorption spectroscopy (XAS) and supporting characterization methods are used to determine the chemical speciation of Ag and Zn in sludge from a pilot wastewater treatment plant (WWTP) that had received PVP coated 50 nm Ag NPs and 30 nm ZnO NPs, dissolved metal ions, or no added metal. The effects of composting and lime and heat treatment on metal speciation in the resulting biosolids were also examined. All added Ag was converted to Ag<sub>2</sub>
S, regardless of the form of Ag added (NP vs ionic). Zn was transformed to three Zn-containing species, ZnS, Zn,(PO<sub>4</sub>
)<sub>2</sub>
, and Zn associated Fe oxy/hydroxides, also regardless of the form of Zn added. Zn speciation was the same in the unamended control sludge. Ag<sub>2</sub>
S persisted in all sludge treatments. Zn<sub>3</sub>
(PO<sub>4</sub>
)<sub>2</sub>
 persisted in sludge and biosolids, but the ratio of ZnS and Zn associated with Fe oxy/hydroxide depended on the redox state and water content of the biosolids. Limited differences in Zn and Ag speciation among NP-dosed, ion-dosed, and control biosolids indicate that these nanoparticles are transformed to similar chemical forms as bulk metals already entering the WWTP.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Pennsylvanie</li>
<li>Provence-Alpes-Côte d'Azur</li>
</region>
<settlement><li>Aix en Provence</li>
<li>Marseille</li>
<li>Pittsburgh</li>
</settlement>
<orgName><li>Université Carnegie-Mellon</li>
<li>Université d'Aix-Marseille</li>
</orgName>
</list>
<tree><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Rui Ma" sort="Rui Ma" uniqKey="Rui Ma" last="Rui Ma">RUI MA</name>
</region>
<name sortKey="Judy, Jonathan D" sort="Judy, Jonathan D" uniqKey="Judy J" first="Jonathan D." last="Judy">Jonathan D. Judy</name>
<name sortKey="Lowry, Gregory V" sort="Lowry, Gregory V" uniqKey="Lowry G" first="Gregory V." last="Lowry">Gregory V. Lowry</name>
<name sortKey="Unrine, Jason M" sort="Unrine, Jason M" uniqKey="Unrine J" first="Jason M." last="Unrine">Jason M. Unrine</name>
</country>
<country name="France"><region name="Provence-Alpes-Côte d'Azur"><name sortKey="Levard, Clement" sort="Levard, Clement" uniqKey="Levard C" first="Clement" last="Levard">Clement Levard</name>
</region>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Durenkamp, Mark" sort="Durenkamp, Mark" uniqKey="Durenkamp M" first="Mark" last="Durenkamp">Mark Durenkamp</name>
</noRegion>
<name sortKey="Jefferson, Bruce" sort="Jefferson, Bruce" uniqKey="Jefferson B" first="Bruce" last="Jefferson">Bruce Jefferson</name>
<name sortKey="Martin, Ben" sort="Martin, Ben" uniqKey="Martin B" first="Ben" last="Martin">Ben Martin</name>
</country>
</tree>
</affiliations>
</record>

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Fate of Zinc Oxide and Silver Nanoparticles in a Pilot Wastewater Treatment Plant and in Processed Biosolids

Fate of Zinc Oxide and Silver Nanoparticles in a Pilot Wastewater Treatment Plant and in Processed Biosolids

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