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    Nitrogen-doped bamboo-like carbon nanotubes with Ni encapsulation for persulfate activation to remove emerging contaminants with excellent catalytic stability

    257912.pdf (1.825Mb)
    Access Status
    Open access
    Authors
    Kang, J.
    Duan, Xiaoguang
    Wang, C.
    Sun, H.
    Tan, X.
    Tade, Moses
    Wang, Shaobin
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Kang, J. and Duan, X. and Wang, C. and Sun, H. and Tan, X. and Tade, M. and Wang, S. 2018. Nitrogen-doped bamboo-like carbon nanotubes with Ni encapsulation for persulfate activation to remove emerging contaminants with excellent catalytic stability. Chemical Engineering Journal. 332: pp. 398-408.
    Source Title
    Chemical Engineering Journal
    DOI
    10.1016/j.cej.2017.09.102
    ISSN
    1385-8947
    School
    Department of Chemical Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP150103026
    URI
    http://hdl.handle.net/20.500.11937/59216
    Collection
    • Curtin Research Publications
    Abstract

    Nitrogen-doped bamboo-like carbon nanotubes encapsulated with nickel nanoparticles (Ni@NCNTs) were feasibly fabricated by a one-pot pyrolysis route. The characterization techniques revealed the surface morphology, structure and chemical composition of the as-prepared catalysts synthesized in different conditions. Ni@NCNTs were employed as both adsorbents and catalysts for activating persulfate to remove an emerging pollutant, antibiotic sulfachloropyridazine. The nitrogen modification enhanced both adsorption capacity and catalytic ability of Ni@NCNTs and proved to be a promising alternative to metal oxides and other carbon catalysts. Moreover, Ni@NCNTs showed an excellent stability because of nitrogen heteroatom doping and Ni nanoparticle encapsulation. Electron paramagnetic resonance (EPR) and classical radical quenching tests discovered a simultaneous radical/non-radical mechanism in Ni@NCNTs/persulfate system. The results indicated that the novel nano-architectured catalyst materials can show emerging functionalities for environmental remediation processes.

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