Abstract
in this paper, advanced oxidation technology based on radical catalysis was used to study the efficiency and mechanism of advanced treatment of refractory pollutants in the wastewater of waterworks by coupling the ultraviolet chemical reaction system with peroxyacetic acid. In this paper, the first-order photodegradation kinetics of UV / PAA system was revealed; The efficiency characteristics of UV / PAA system were analyzed with high quantum yield and excellent degradation rate constant; From the point of view of PAA activating free radicals, the contribution of pollutants degradation was quantitatively analyzed, and the reaction mechanism of UV / PAA system was given. This paper proves the feasibility and superiority of UV / PAA advanced treatment of wastewater in waterworks, and provides an important theoretical basis for practical process design.
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