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- W3206408212 endingPage "133025" @default.
- W3206408212 startingPage "133025" @default.
- W3206408212 abstract "As a metal complex widely used in the electroplating industry, the degradation of Cu-EDTA in the wastewater treatment process is difficult for its strong stability, it is a crucial but extremely challenging task. In this study, a novel Ferreous metal–organic frameworks (Fe-MOF) heterogeneous catalyst was synthesized by a convenient and fast microwave method. Combined with electrochemical (EC) method and persulfate (PS), an EC/Fe-MOF/PS system was firstly applied to degrade the Cu-EDTA that was completely removed under the optimized conditions. During this process, the redox cycle was accelerated with electrical assistance and the ratio of Fe(II)/Fe(III) on the Fe-MOF was significantly increased, which improved the catalytic ability. Additionally, the degradation performance was obviously enhanced with the increased cycles. The phenomenon occurred because that Cu species derived from the decomposition of Cu-EDTA was deposited on Fe-MOF surface, and the additional catalytic ability was obtained from the Cu(0)/Cu(I)/Cu(II). The detailed pathway of Cu-EDTA degradation was proposed based on the intermediates identified by FT-ICR-MS and the mechanism was also investigated by Electron spin resonance (ESR) and quenching experiments of Reactive oxygen species (ROS). Furthermore, the EC/Fe-MOF/PS system could also represent excellent performance for the degradation of various metal-EDTA complexes. This study provided an efficient and sustainable approach for the degradation of refractory organic pollutants." @default.
- W3206408212 created "2021-10-25" @default.
- W3206408212 creator A5003456946 @default.
- W3206408212 creator A5010776860 @default.
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- W3206408212 creator A5028596316 @default.
- W3206408212 creator A5042788485 @default.
- W3206408212 creator A5055395034 @default.
- W3206408212 date "2022-02-01" @default.
- W3206408212 modified "2023-10-18" @default.
- W3206408212 title "The decomplexation of Cu-EDTA by electro-assisted heterogeneous activation of persulfate via acceleration of Fe(II)/Fe(III) redox cycle on Fe-MOF catalyst" @default.
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- W3206408212 doi "https://doi.org/10.1016/j.cej.2021.133025" @default.
- W3206408212 hasPublicationYear "2022" @default.