Partially oxidized mackinawite/biochar for photo-Fenton organic contaminant removal: Synergistically improve interfacial electron transfer and H2O2 activation

Li, Binrong; Wang, Chen; Li, Na; Chen, Chunyang; Zhu, Zhi; Tang, Xu; Cui, Yanhua; Liu, Tingting; Attatsi, Collins Kwashie; Wang, Xuedong

doi:10.1016/j.envpol.2024.123660

Environmental Pollution

2024

DOI: 10.1016/j.envpol.2024.123660

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Partially oxidized mackinawite/biochar for photo-Fenton organic contaminant removal: Synergistically improve interfacial electron transfer and H2O2 activation

Binrong Li,

Chen Wang,

Na Li

et al.

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Cited by 6 publications

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Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping

Zhong,

Yu,

Chen

et al. 2024

ChemistrySelect

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To improve the regeneration efficiency of methylene blue (MB) saturated biochar in H2O2 system, biochar was modified by Fe‐doped by using FeSO4 and Fe(NO3)3 as iron sources. The effects of Fe‐doped on its microstructure were characterized by XRD, SEM, and BET. The adsorption and regeneration performance of biochar before and after Fe‐doped were compared through adsorption and regeneration experiments. X‐ray photoelectron spectroscopy, electron spin resonance, and quenching experiments were used to explore the regeneration mechanism. The results show that Fe‐doped biochar (SP‐GBC) prepared from FeSO4 maintains a high specific surface area of 1205.9 m2/g and a high adsorption capacity of 375.43 mg·g−1 for MB. After adsorption, the MB‐saturated SP‐GBC exhibits excellent regeneration performance in the H2O2 system, in which the regeneration efficiencies for five consecutive cycles are 85.76%, 83.92%, 94.01%, 99.24%, and 100.79%, respectively. The synergistic effect of H2O2 desorption and degradation is the main regeneration mechanism for MB‐saturated SP‐GBC. The zero valent iron and Fe (II) on the surface of SP‐GBC are the main active sites for H2O2 activation, while 1O2 and HO· are the main oxidation species. In summary, this work provides a simple and feasible method for the design and synthesis of adsorbents with highly efficient regeneration performance.

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Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping

Zhong,

Yu,

Chen

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

Design of dual-defective polymeric carbon nitride with compact interlayer stacking for boosting photocatalytic H2O2 production: Insight of various configurations

Li,

Guo

et al. 2024

Chemical Engineering Journal

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Fabricated S-scheme CoS/CeO2 heterojunction photocatalyst efficiently activates peroxymonosulfate for polyethylene terephthalate plastic degradation: Insight into radicals and electron transfer

Wan,

Wang,

Liu

et al. 2024

Chemical Engineering Journal

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Partially oxidized mackinawite/biochar for photo-Fenton organic contaminant removal: Synergistically improve interfacial electron transfer and H2O2 activation

Cited by 6 publications

References 56 publications

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping

Design of dual-defective polymeric carbon nitride with compact interlayer stacking for boosting photocatalytic H2O2 production: Insight of various configurations

Fabricated S-scheme CoS/CeO2 heterojunction photocatalyst efficiently activates peroxymonosulfate for polyethylene terephthalate plastic degradation: Insight into radicals and electron transfer

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Partially oxidized mackinawite/biochar for photo-Fenton organic contaminant removal: Synergistically improve interfacial electron transfer and H2O2 activation

Cited by 6 publications

References 56 publications

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H2O2 System via Fe‐Doping

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H2O2 System via Fe‐Doping

Design of dual-defective polymeric carbon nitride with compact interlayer stacking for boosting photocatalytic H2O2 production: Insight of various configurations

Fabricated S-scheme CoS/CeO2 heterojunction photocatalyst efficiently activates peroxymonosulfate for polyethylene terephthalate plastic degradation: Insight into radicals and electron transfer

Contact Info

Product

Resources

About

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping

Enhancing the Regeneration Performance of Methylene Blue Saturated Biochar in H₂O₂ System via Fe‐Doping