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Article Dans Une Revue Journal of Environmental Chemical Engineering Année : 2020

Coupling cathodic electro-fenton with anodic photo-electrochemical oxidation: A feasibility study on the mineralization of paracetamol

Résumé

A cathodic electro-Fenton (EF) process consisting of thermally treated carbon felt and anodic photoelectrochemical (PEC) oxidation process consisting of bismuth vanadate – bismuth oxyiodide electrodeposited on fluorine doped tin oxide glass (FTO-BiVO4/BiOI) were coupled into a single electrochemical advanced oxidation system for the mineralisation of paracetamol. EF degradation of paracetamol yielded 71 % total organic carbon (TOC) removal after 4 h with a current density of 20 mA cm−2. With the coupled EF/PEC system, the complete removal of paracetamol was achieved within 2 h and a higher mineralisation of 92 % TOC removal after 4 h was recorded with a 10 mA cm−2 current density. The specific energy consumption of the EF/PEC process was about 64 % lower than the energy consumption of EF process alone. The treated aqueous solution exhibited reduced toxicity in comparison with the untreated solution with about 1% inhibition of Vibrio fisheri. This EF/PEC system showed a synergic improvement in performance over EF and PEC.
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Dates et versions

hal-03242836 , version 1 (10-11-2021)

Identifiants

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Benjamin O Orimolade, Busisiwe N Zwane, Babatunde A Koiki, Matthieu Rivallin, Mikhael Bechelany, et al.. Coupling cathodic electro-fenton with anodic photo-electrochemical oxidation: A feasibility study on the mineralization of paracetamol. Journal of Environmental Chemical Engineering, 2020, 8 (5), pp.104394. ⟨10.1016/j.jece.2020.104394⟩. ⟨hal-03242836⟩
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