Synthesis of citrate–modified CuFeS2 catalyst with significant effect on the photo–Fenton degradation efficiency of bisphenol a under visible light and near–neutral pH

Julia da Silveira Salla,Katia da Boit Martinello,Guilherme L. Dotto,Esmeralda García-Díaz,Hassan Javed,Pedro J.J. Alvarez,Edson Luiz Foletto

Colloids and Surfaces A: Physicochemical and Engineering Aspects（2020）

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摘要

•Application of citrate-modified CuFeS2 material as a potential photo-Fenton catalyst.•Addition of citric acid on the CuFeS2 synthesis accelerates the reduction of Fe3+ to Fe2+ during the photo-Fenton reaction.•The regeneration of Fe2+ promoted a faster production of OH radicals.•CuFeS2 exhibited remarkable degradation efficiency of bisphenol A under visible light and near-neutral pH.

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关键词

CuFeS2,Citric acid,Photo–Fenton,Bisphenol A,Intermediates,Hydroxyl radical

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