N -(1,3-Dimethylbutyl)- N '-phenyl- p -phenylenediamine (6PPD) and its ozonation product, 6PPD-quinone (6PPD-Q), are contaminants of global concern due to their widespread occurrence and acute toxicity to aquatic organisms. Conventional treatment methods often fail to its complete removal in water. Peroxyacetic acid is extensively employed in advanced oxidation processes; however, it relies generally on ultraviolet light irrad...