Recent updates on electrochemical degradation of bio-refractory organic pollutants using BDD anode: a mini review

Abstract : Boron-doped diamond (BDD) is playing an important role in environmental electrochemistry and has been successfully applied to the degradation of various bio-refractory organic pollutants. However, the review concerning recent progress in this research area is still very limited. This mini-review updated recent advances on the removal of three kinds of bio-refractory wastewaters including pharmaceuticals, pesticides, and dyes using BDD electrode. It summarized the important parameters in three electrochemical oxidation processes, i.e., anodic oxidation (AO), electro-Fenton (EF), and photoelectro-Fenton (PEF) and compared their different degradation mechanisms and behaviors. As an attractive improvement of PEF, solar photoelectro-Fenton using sunlight as UV/vis source presented cost-effectiveness, in which the energy consumption for enrofloxacin removal was 0.246 kWh/(g TOC), which was much lower than that of 0.743 and 0.467 kWh/(g TOC) by AO and EF under similar conditions. Finally the existing problems and future prospects in research were suggested.
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Xinmin Yu, Minghua Zhou, Youshuang Hu, Karine Groenen Serrano, Fangke Yu. Recent updates on electrochemical degradation of bio-refractory organic pollutants using BDD anode: a mini review. Environmental Science and Pollution Research, Springer Verlag, 2014, 21 (14), pp.8417-8431. ⟨10.1007/s11356-014-2820-0⟩. ⟨hal-01913420⟩

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