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Piezo-enhanced photocatalytic diclofenac mineralization over ZnO.

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Title: Piezo-enhanced photocatalytic diclofenac mineralization over ZnO.
Authors: Meroni, Daniela1,2 (AUTHOR) daniela.meroni@unimi.it, Bianchi, Claudia L.1,2 (AUTHOR), Boffito, Daria C.3 (AUTHOR), Cerrato, Giuseppina4 (AUTHOR), Bruni, Anna1 (AUTHOR), Sartirana, Marta1 (AUTHOR), Falletta, Ermelinda1,2,5 (AUTHOR) ermelinda.falletta@unimi.it
Source: Ultrasonics Sonochemistry. Jul2021, Vol. 75, pN.PAG-N.PAG. 1p.
Subjects: Diclofenac, Mineralization, Zinc oxide, Complex matrices, Micropollutants, Water testing, Nanorods
Abstract: • US-assisted photocatalysis by ZnO leads to efficient mineralization of diclofenac. • Synergistic effects are observed only when ZnO nanorods are used. • Tests in simulated water matrix show enhanced performance with respect to TiO 2. • Reaction intermediates of photo- and sonophotocatalysis are identified. The degradation of diclofenac has been realized for the first time by a piezo-enhanced sonophotocatalytic approach based on ZnO. The sonophotocatalytic degradation showed a slight enhancement in the degradation of the parent compound, whereas strong synergistic effects were observed for the mineralization process when suitable ZnO morphologies are used, reaching 70% of complete degradation of 25 ppm diclofenac using 0.1 g/L ZnO in 360 min. Tests in a complex water matrix show enhanced diclofenac removal, outperforming a TiO 2 benchmark photocatalyst. These promising experimental results promote this process as a good alternative to traditional degradation approaches for remediation of real water matrices. [ABSTRACT FROM AUTHOR]
Copyright of Ultrasonics Sonochemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 150969899
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Piezo-enhanced photocatalytic diclofenac mineralization over ZnO.
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  Data: <searchLink fieldCode="AR" term="%22Meroni%2C+Daniela%22">Meroni, Daniela</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> daniela.meroni@unimi.it</i><br /><searchLink fieldCode="AR" term="%22Bianchi%2C+Claudia+L%2E%22">Bianchi, Claudia L.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boffito%2C+Daria+C%2E%22">Boffito, Daria C.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cerrato%2C+Giuseppina%22">Cerrato, Giuseppina</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bruni%2C+Anna%22">Bruni, Anna</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sartirana%2C+Marta%22">Sartirana, Marta</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Falletta%2C+Ermelinda%22">Falletta, Ermelinda</searchLink><relatesTo>1,2,5</relatesTo> (AUTHOR)<i> ermelinda.falletta@unimi.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Ultrasonics+Sonochemistry%22">Ultrasonics Sonochemistry</searchLink>. Jul2021, Vol. 75, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Diclofenac%22">Diclofenac</searchLink><br /><searchLink fieldCode="DE" term="%22Mineralization%22">Mineralization</searchLink><br /><searchLink fieldCode="DE" term="%22Zinc+oxide%22">Zinc oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Complex+matrices%22">Complex matrices</searchLink><br /><searchLink fieldCode="DE" term="%22Micropollutants%22">Micropollutants</searchLink><br /><searchLink fieldCode="DE" term="%22Water+testing%22">Water testing</searchLink><br /><searchLink fieldCode="DE" term="%22Nanorods%22">Nanorods</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: • US-assisted photocatalysis by ZnO leads to efficient mineralization of diclofenac. • Synergistic effects are observed only when ZnO nanorods are used. • Tests in simulated water matrix show enhanced performance with respect to TiO 2. • Reaction intermediates of photo- and sonophotocatalysis are identified. The degradation of diclofenac has been realized for the first time by a piezo-enhanced sonophotocatalytic approach based on ZnO. The sonophotocatalytic degradation showed a slight enhancement in the degradation of the parent compound, whereas strong synergistic effects were observed for the mineralization process when suitable ZnO morphologies are used, reaching 70% of complete degradation of 25 ppm diclofenac using 0.1 g/L ZnO in 360 min. Tests in a complex water matrix show enhanced diclofenac removal, outperforming a TiO 2 benchmark photocatalyst. These promising experimental results promote this process as a good alternative to traditional degradation approaches for remediation of real water matrices. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ultrasonics Sonochemistry is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ultsonch.2021.105615
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Diclofenac
        Type: general
      – SubjectFull: Mineralization
        Type: general
      – SubjectFull: Zinc oxide
        Type: general
      – SubjectFull: Complex matrices
        Type: general
      – SubjectFull: Micropollutants
        Type: general
      – SubjectFull: Water testing
        Type: general
      – SubjectFull: Nanorods
        Type: general
    Titles:
      – TitleFull: Piezo-enhanced photocatalytic diclofenac mineralization over ZnO.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Meroni, Daniela
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          Name:
            NameFull: Bianchi, Claudia L.
      – PersonEntity:
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            NameFull: Boffito, Daria C.
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            NameFull: Cerrato, Giuseppina
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            NameFull: Bruni, Anna
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            NameFull: Sartirana, Marta
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            NameFull: Falletta, Ermelinda
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          Dates:
            – D: 01
              M: 07
              Text: Jul2021
              Type: published
              Y: 2021
          Identifiers:
            – Type: issn-print
              Value: 13504177
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            – Type: volume
              Value: 75
          Titles:
            – TitleFull: Ultrasonics Sonochemistry
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