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Activation of Peroxymonosulfate by Co-Metal–Organic Frameworks as Catalysts for Degradation of Organic Pollutants

  • Wenjia Mao
    Wenjia Mao
    School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
    Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, China
    More by Wenjia Mao
  • Xinting Wang
    Xinting Wang
    School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
    Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, China
    More by Xinting Wang
  • Xiaoli Hu*
    Xiaoli Hu
    School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
    Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, China
    *Email: [email protected]
    More by Xiaoli Hu
  • Zihan Lin*
    Zihan Lin
    School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
    *Email: [email protected]
    More by Zihan Lin
  • , and 
  • Zhongmin Su*
    Zhongmin Su
    School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
    Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, China
    Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun 130022, China
    *Email: [email protected]
    More by Zhongmin Su
Cite this: Ind. Eng. Chem. Res. 2021, 60, 36, 13223–13232
Publication Date (Web):August 30, 2021
https://doi.org/10.1021/acs.iecr.1c02259
Copyright © 2021 American Chemical Society
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Supporting Info (3)»

Abstract

Two novel Co-based metal–organic frameworks, namely, [Co3(H3bpt)2(1,4-bimb)3(H2O)2]·2DMF·H2O (CUST-560) and [Co3(H3bpt)2(4,4′-tmdp)2(H2O)2]·2CH3OH·H2O (CUST-561) (H3bpt = 3,4′,5-biphenyltricarboxylic acid, 4,4′-tmdp = 4,4-trimethylenedipyridine, and 1,4-bimb = 1,4-bis((1H-imidazol-1-yl)methyl)benzene), were synthesized under hydrothermal conditions and characterized. In this study, by adjusting several experimental parameters including catalyst dosage, PMS volume, temperature, and the initial value of pH, PMS activation toward two cationic dyes and two anionic dye degradations was systematically examined. Radical scavenging experiments revealed that SO4· is considered to act as the paramount reactive oxygen species in the oxidation process. The Co(III)/Co(II) recycle of CUST-560 and CUST-561 is able to carry out an effective electronic transfer to PMS, facilitating the reaction process; thus, an eminent catalytic property has emerged. Consequently, the original material as-synthesized is thought to be a splendid activator to peroxymonosulfate activation for extermination and decolorization of dyes.

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The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.iecr.1c02259.

  • Description of materials and instrumentation in the experiment (PDF)

  • Crystallographic data of CCDC-2076590 (CUST-560) (CIF)

  • Crystallographic data of CCDC-2076591 (CUST-561) (CIF)

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