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Cheng, Siyao; Pan, Xihao; Zhang, Cheng; Lin, Xiangpeng; Zhuang, Qiu; Jiao, Yingzhi; Dong, Wei; Qi, Xiaoliang
The Science of the total environment, 03/2022, Letnik: 810Journal Article
Fenton-like catalysts represent a family of promising materials to degrade micropollutants from contaminated water. However, the practical applications of Fenton-like catalysts are mainly limited by low catalytic degradation efficiency and stability. Herein, for the first time, rapid fabrication of Ag-decorated Fe3O4/polydopamine (FPA) microspheres was achieved via the help of UV irradiation, and the designed FPA microspheres were employed as Fenton-like catalysts to degrade micropollutants. Results showed that UV irradiation could activate the generation of the polydopamine shell and accelerate the Ag deposition, which played a crucial role in the rapid synthesis of highly active and stable FPA catalysts. Relative to reported catalysts, these FPA microspheres exhibited outstanding catalytic degradation performance, achieving 94.38% removal of tetracycline within 60 min. This work will provide a convenient strategy in the sustainable and efficient purification of wastewater to improve the quality of human life. Display omitted •Rapid synthesis of Fe3O4/polydopamine/Ag (FPA) microspheres was achieved.•FPA microspheres were used as Fenton-like catalysts for the first time.•FPA exhibited outstanding catalytic degradation performance and stability.•Detailed degradation mechanism of FPA for degrading tetracycline was described.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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