Abstract
AbstractIn the last few years increasing attention has been devoted to the utilization of electroFenton (EF) and EF based technologies for the treatment of wastewater polluted by recalcitrant organics. It has been shown that the performances of EF can be strongly improved using ultraviolet (UV) irradiation, e. g., by the photo‐electroFenton (PEF) method, or pressurized air or oxygen, e. g., by the pressurized‐electroFenton (PrEF) one. Although several studies were carried out on the degradation of many organic pollutants using EF, PEF or PrEF, a systematic comparison between PEF and PrEF was never reported as well as the possibility to couple the irradiation with pressurized air. In this study the performances of EF, PEF and PrEF were systematically compared using synthetic solutions of three model organic substrates (e. g., formic acid, oxalic acid and Acid Orange 7). In addition, the pressurized‐photo‐electroFenton (PrPEF) process was proposed for the first time.
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