Journal of Industrial and Engineering Chemistry, Vol.104, 390-396, December, 2021
Efficient degradation of azo dye by dual-doped photo-enhanced Fentonlike catalysts in magnetic suspension reactor
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Fenton-like catalysts have sparked enormous interest from academic to industrial fields because of their excellent degradability and offered a promising platform for the effective treatment of wastewater. However, it remains a grand challenge to balance their catalytic performance and corrosion resistance for industrial application. To address this issue, we report Cr and C dual-doped photo-enhanced Fenton-like catalysts (Cr, C-FeSiB) in which Cr functions as a corrosion inhibitor to improve recycling performance and C acts as an electron transfer accelerator to raise the cycle efficiency of iron ions during complex Fenton-like reactions. Moreover, we design a low energy-consumption magnetic-suspensionlike reactor in which Fenton-like catalysts can work as micro-scaled stirrers to enhance the mass transfer efficiency during the Fenton-like reactions owing to their soft magnetic property.
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