H2O2 activation and contaminants removal in heterogeneous Fenton-like systems

Emerging contaminants can be removed effectively in heterogeneous Fenton-like systems. Currently, catalyst activity and contaminant removal mechanisms have been studied extensively in Fenton-like systems. However, a systematic summary was lacking. This review summarized: 1) The effects of various he...

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Veröffentlicht in:Journal of hazardous materials 2023-09, Vol.458, p.131926-131926, Article 131926
Hauptverfasser: Li, Ning, He, Xu, Ye, Jingya, Dai, Haoxi, Peng, Wenchao, Cheng, Zhanjun, Yan, Beibei, Chen, Guanyi, Wang, Shaobin
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Sprache:eng
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Zusammenfassung:Emerging contaminants can be removed effectively in heterogeneous Fenton-like systems. Currently, catalyst activity and contaminant removal mechanisms have been studied extensively in Fenton-like systems. However, a systematic summary was lacking. This review summarized: 1) The effects of various heterogeneous catalysts on emerging contaminants degradation by activating H2O2; 2) The role of active sites in different catalysts during the activation of H2O2 and their contribution to the generation of active species; 3) The modulation of degradation pathways of emerging contaminants. This paper will help scholars to advance the controlled construction of active sites in heterogeneous Fenton-like systems. Suitable heterogeneous Fenton catalysts can be selected in practical water treatment processes. [Display omitted] •The various catalysts on contaminants by activating H2O2 are compared in detail.•The contribution of active sites to active species production is summarized.•The information of active species acting on emerging contaminants is discussed.•The possible research directions of active sites in H2O2-AOPs are proposed.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2023.131926