Highly coordinated Fe–N<sub>5</sub> sites effectively promoted peroxymonosulfate activation for degradation of 4-chlorophenol

Panjwani, Manoj Kumar; Gao, Feiyu; He, Ting; Gao, Pan; Xiao, Feng; Yang, Shaoxia

doi:10.1039/d4en00189c

Environ. Sci.: Nano

2024

DOI: 10.1039/d4en00189c

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Highly coordinated Fe–N₅ sites effectively promoted peroxymonosulfate activation for degradation of 4-chlorophenol

Manoj Kumar Panjwani,

Feiyu Gao,

Ting He

et al.

Abstract: M-Nx single-atom catalysts (SACs) with a higher coordination number (x>4) are effective catalysts for eliminating organic pollutants, while the origin of SACs with high activity still remains elusive. In this...

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Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Liu,

Zhang,

Wang

et al. 2024

Chemical Engineering Journal

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Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Liu,

Zhang,

Wang

et al. 2024

Chemical Engineering Journal

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Rapid Degradation of Bisphenol F Using Magnetically Separable Bimetallic Biochar Composite Activated by Peroxymonosulfate

Liang,

Li,

Liu

et al. 2024

Molecules

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Peroxymonosulfate (PMS)-based advanced oxidation processes have shown potential for the removal of organic contaminants; however, the preparation of catalysts with high degradation efficiencies and rapid reaction rates remains a challenge. In this study, we have successfully synthesized CoFe bimetallic modified corn cob-derived biochar (CoFe/BC) for the activation of PMS, achieving the rapid and efficient degradation of bisphenol F (BPF). The synthesized CoFe/BC catalyst demonstrated excellent catalytic performance, achieving over 99% removal within 3 min and exhibiting a removal rate of 90.0% after five cycles. This could be attributed to the cyclic transformation of Co and Fe, which sustained rapid PMS activation for BPF degradation, and Co0/Fe0 played a significant role in the cyclic transformation. Furthermore, the electron paramagnetic resonance tests confirmed that •SO4− and •OH were the primary reactive oxygen species, while •O2− played a minor role in BPF degradation. This study highlights the high degradation efficiency, rapid reaction rate, excellent magnetic separation properties, and exceptional reusability of CoFe/BC catalysts for BPF removal, providing valuable insights for practical wastewater treatment.

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Highly coordinated Fe–N₅ sites effectively promoted peroxymonosulfate activation for degradation of 4-chlorophenol

Abstract: M-Nx single-atom catalysts (SACs) with a higher coordination number (x>4) are effective catalysts for eliminating organic pollutants, while the origin of SACs with high activity still remains elusive. In this...

Cited by 2 publications

References 51 publications

Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Rapid Degradation of Bisphenol F Using Magnetically Separable Bimetallic Biochar Composite Activated by Peroxymonosulfate

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Highly coordinated Fe–N5 sites effectively promoted peroxymonosulfate activation for degradation of 4-chlorophenol

Abstract: M-Nx single-atom catalysts (SACs) with a higher coordination number (x>4) are effective catalysts for eliminating organic pollutants, while the origin of SACs with high activity still remains elusive. In this...

Cited by 2 publications

References 51 publications

Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Coordination dependent photocatalytic peroxymonosulfate activation on biomass derived Fe single atom catalysts for atrazine degradation

Rapid Degradation of Bisphenol F Using Magnetically Separable Bimetallic Biochar Composite Activated by Peroxymonosulfate

Contact Info

Product

Resources

About

Highly coordinated Fe–N₅ sites effectively promoted peroxymonosulfate activation for degradation of 4-chlorophenol