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Microwave-Assisted Synthesis of Pd Nanoparticles into Wood Block (Pd@wood) as Efficient Catalyst for 4-Nitrophenol and Cr(VI) Reduction.

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Title: Microwave-Assisted Synthesis of Pd Nanoparticles into Wood Block (Pd@wood) as Efficient Catalyst for 4-Nitrophenol and Cr(VI) Reduction.
Authors: Zhang, Zhao1 (AUTHOR) zhao.zhang@utc.fr, Besserer, Arnaud2 (AUTHOR) arnaud.besserer@univ-lorraine.fr, Rose, Christophe3 (AUTHOR) christophe.rose@inrae.fr, Brosse, Nicolas2 (AUTHOR) nicolas.brosse@univ-lorraine.fr, Terrasson, Vincent1 (AUTHOR) v.terrasson@escom.fr, Guénin, Erwann1 (AUTHOR) v.terrasson@escom.fr
Source: Nanomaterials (2079-4991). Sep2023, Vol. 13 Issue 17, p2491. 12p.
Subjects: Wood, Nanoparticle synthesis, Sewage, Wastewater treatment, Industrial wastes, Microwave heating
Abstract: Palladium (Pd) nanoparticle catalysis has attracted increasing attention due to its efficient catalytic activity and its wide application in environmental protection and chemical synthesis. In this work, Pd nanoparticles (about 71 nm) were synthesized in aqueous solution by microwave-assisted thermal synthesis and immobilized in beech wood blocks as Pd@wood catalysts. The wood blocks were first hydrothermally treated with 10% NaOH solution to improve the internal structure and increase their porosity, thereby providing favorable attachment sites for the formed Pd nanoparticles. The stable deposition of Pd nanoparticle clusters on the internal channels of the wood blocks can be clearly observed. In addition, the catalytic performance of the prepared Pd@wood was investigated through two model reactions: the reduction of 4-nitrophenol and Cr(VI). The Pd@wood catalyst showed 95.4 g−1 s−1 M−1 of normalized rate constant knorm and 2.03 min−1 of the TOF, respectively. Furthermore, Pd nanoparticles are integrated into the internal structure of wood blocks by microwave-assisted thermal synthesis, which is an effective method for wood functionalization. It benefits metal nanoparticle catalysis in the synthesis of fine chemicals as well as in industrial wastewater treatment. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI 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.)
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  Data: Microwave-Assisted Synthesis of Pd Nanoparticles into Wood Block (Pd@wood) as Efficient Catalyst for 4-Nitrophenol and Cr(VI) Reduction.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Zhao%22">Zhang, Zhao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhao.zhang@utc.fr</i><br /><searchLink fieldCode="AR" term="%22Besserer%2C+Arnaud%22">Besserer, Arnaud</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> arnaud.besserer@univ-lorraine.fr</i><br /><searchLink fieldCode="AR" term="%22Rose%2C+Christophe%22">Rose, Christophe</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> christophe.rose@inrae.fr</i><br /><searchLink fieldCode="AR" term="%22Brosse%2C+Nicolas%22">Brosse, Nicolas</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> nicolas.brosse@univ-lorraine.fr</i><br /><searchLink fieldCode="AR" term="%22Terrasson%2C+Vincent%22">Terrasson, Vincent</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> v.terrasson@escom.fr</i><br /><searchLink fieldCode="AR" term="%22Guénin%2C+Erwann%22">Guénin, Erwann</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> v.terrasson@escom.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Sep2023, Vol. 13 Issue 17, p2491. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Wood%22">Wood</searchLink><br /><searchLink fieldCode="DE" term="%22Nanoparticle+synthesis%22">Nanoparticle synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Sewage%22">Sewage</searchLink><br /><searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+wastes%22">Industrial wastes</searchLink><br /><searchLink fieldCode="DE" term="%22Microwave+heating%22">Microwave heating</searchLink>
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  Label: Abstract
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  Data: Palladium (Pd) nanoparticle catalysis has attracted increasing attention due to its efficient catalytic activity and its wide application in environmental protection and chemical synthesis. In this work, Pd nanoparticles (about 71 nm) were synthesized in aqueous solution by microwave-assisted thermal synthesis and immobilized in beech wood blocks as Pd@wood catalysts. The wood blocks were first hydrothermally treated with 10% NaOH solution to improve the internal structure and increase their porosity, thereby providing favorable attachment sites for the formed Pd nanoparticles. The stable deposition of Pd nanoparticle clusters on the internal channels of the wood blocks can be clearly observed. In addition, the catalytic performance of the prepared Pd@wood was investigated through two model reactions: the reduction of 4-nitrophenol and Cr(VI). The Pd@wood catalyst showed 95.4 g−1 s−1 M−1 of normalized rate constant knorm and 2.03 min−1 of the TOF, respectively. Furthermore, Pd nanoparticles are integrated into the internal structure of wood blocks by microwave-assisted thermal synthesis, which is an effective method for wood functionalization. It benefits metal nanoparticle catalysis in the synthesis of fine chemicals as well as in industrial wastewater treatment. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI 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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        Value: 10.3390/nano13172491
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        Text: English
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        PageCount: 12
        StartPage: 2491
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      – SubjectFull: Wood
        Type: general
      – SubjectFull: Nanoparticle synthesis
        Type: general
      – SubjectFull: Sewage
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      – SubjectFull: Wastewater treatment
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      – SubjectFull: Industrial wastes
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      – SubjectFull: Microwave heating
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      – TitleFull: Microwave-Assisted Synthesis of Pd Nanoparticles into Wood Block (Pd@wood) as Efficient Catalyst for 4-Nitrophenol and Cr(VI) Reduction.
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            NameFull: Zhang, Zhao
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              M: 09
              Text: Sep2023
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