期刊
COMPOSITES COMMUNICATIONS
卷 27, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2021.100811
关键词
Fenton; FeOCl; Electron-rich materials; Catalytic performance
资金
- National Natural Science Foundation of China [51678182]
- Start-up grant for Shenzhen oversea high-level talents
By incorporating electron-rich materials like CNTs into Fenton-like catalysts, the catalytic performance can be significantly improved, allowing for efficient degradation of dye wastewater at low oxidant dosages. The novel composite catalyst FeOCl/Fe2O3/CNTs can maintain superior performance under various pH conditions, providing a new approach for catalyst design.
FeOCl and Fe2O3 Fenton-like catalysts have received much attention due to low cost and high catalytic activity. However, their potential application is significantly hindered by the sluggish reduction kinetics of Fe3+ to active Fe2+. Herein, we report a novel composite catalyst FeOCl/Fe2O3/CNTs with significantly improved catalytic performance. As a result, FeOCl/Fe2O3/CNTs can degrade 100% of MB (50 mg L-1) within 20 min at low dosage of H2O2 (0.6 mM) and the superior performance is almost independent of pH in the range of 3-9. In practical application, the assembled FeOCl/Fe2O3/CNTs membrane effectively degrades continuous MB flow. This study demonstrates that incorporating electron-rich materials such as CNTs is an effective way to enhance the performance of catalysts for heterogeneous Fenton-like reaction.
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