Electro-enhanced heterogeneous activation of peroxymonosulfate via acceleration of Fe(III)/Fe(II) redox cycle on Fe-B catalyst

•Fe-B catalyst was fabricated for electro-assisted heterogeneous activation of PMS.•Electric field could accelerate the Fe(III)/Fe(II) redox cycle.•The direct anodic oxidation and surface-bound radicals were responsible for AO7 decay.•Effects of important operational conditions on the AO7 abatement...

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Veröffentlicht in:	Electrochimica acta 2021-05, Vol.377, p.138073, Article 138073
Hauptverfasser:	Miao, Fei, Liu, Zehao, Kang, Xin, Cheng, Cheng, Mao, Xiaoyu, Li, Ruimeng, Lin, Heng, Zhang, Hui
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Anode effect Bentonite Catalysts Catalytic oxidation Decoloring Dyes Electric field Electric fields Electrolysis Electron paramagnetic resonance Electron transfer Fe(III)/Fe(II) cycle Fe-supported bentonite Heterogeneous activation Iron Orange II Oxidation Peroxymonosulfate Photoelectrons Pollutants Regeneration Spectrum analysis Synergistic effect Wastewater treatment X ray photoelectron spectroscopy
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