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A review of copper-based Fenton reactions for the removal of organic pollutants from wastewater over the last decade: different reaction systems

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Abstract

In recent years, as global industrialization has intensified, environmental pollution has become an increasingly serious problem. Improving water quality and achieving wastewater purification remain top priorities for environmental health initiatives. The Fenton process is favored by researchers due to its high efficiency and ease of operation. Central to the Fenton process is a catalyst used to activate hydrogen peroxide, rapidly degrading pollutants, improving water quality. Among various catalysts developed, copper-based catalysts have attracted considerable attention due to their affordability, high activity, and stable performance. Based on this, this paper reviews the development of copper-based Fenton systems over the past decade. It mainly involves the research and application of copper-based catalysts in different Fenton systems, including photo-Fenton, electro-Fenton, microwave-Fenton, and ultrasonic-Fenton. This review provides a fundamental reference for the subsequent studies of copper-based Fenton systems, contributing to the goal of transitioning these systems from laboratory research into practical environmental applications.

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Funding

This work was financially supported by the National Natural Science Foundation of China (No. 22376132, 22176120).

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Contributions

Huixian Du: Writing review; Xuefeng Hu: Writing, editing and Supervision; Yao Huang: Writing review; Yaxing Bai: Data collection; Yuhuan Fei: Data analysis; Meng Gao: Drafting of the review; Zilong Li: Finishing concepts. All the authors approved the final article.

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Correspondence to Xuefeng Hu.

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All authors are aware of the submission of this article. The articles do not involve human participants and/or animal studies.

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We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work. There is no professional or other personal interest of any nature or kind in any product, service and/or company.

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Responsible Editor: Guilherme Luiz Dotto

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Du, H., Hu, X., Huang, Y. et al. A review of copper-based Fenton reactions for the removal of organic pollutants from wastewater over the last decade: different reaction systems. Environ Sci Pollut Res 31, 27609–27633 (2024). https://doi.org/10.1007/s11356-024-33220-1

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  • DOI: https://doi.org/10.1007/s11356-024-33220-1

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