The effective treatment of refractory organics can be achieved
The effective treatment of refractory organics can be achieved by advanced oxidation processes (AOPs); highly reactive species generated within, primarily hydroxyl radicals (HO), are capable of oxidizing organic contaminants into biodegradable products or ultimately to CO2 and H2O  and . According to the type of Selumetinib used for the generation of HO, AOPs can be broadly classified into: chemical; photochemical and photocatalytic, electrical, and mechanical processes. The effectiveness of UV-C/H2O2 process, the most studied photochemical AOP, for the treatment of a vast array of organic pollutants, either simple- (e.g. single benzene ring) or complex-structured, is filter feeders well documented , , , , ,  and , as well as its full-scale applications ,  and . Since the complete mineralization of organic contaminants by AOPs might be costly, their application can be aimed at the elimination of targeted refractory organics (mainly of aromatic structures), thus increasing biodegradability and lowering toxicity and aromaticity of the treated water, which are often cross-correlated .