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Abstract The sulfate radicals (SO4•−)-based advanced oxidation process is an efficient way to degrade stubborn pollutants. However, the degradation products of 2,4-dinitrotoluene and the effects of different natural water matrices… Click to show full abstract
Abstract The sulfate radicals (SO4•−)-based advanced oxidation process is an efficient way to degrade stubborn pollutants. However, the degradation products of 2,4-dinitrotoluene and the effects of different natural water matrices on 2,4-dinitrotoluene degradation by persulfate/Fe2+ are largely unknown. In this study, the degradation kinetics of 2,4-dinitrotoluene by persulfate/Fe2+ were investigated in different water matrices. The degradation of 2,4-dinitrotoluene can be divided into rapid-slow reaction stages, which was suitably described by the pseudo-first-order kinetics model (R2 > 0.95). The concentrations of persulfate and Fe2+ had a significant effect on 2,4-dinitrotoluene degradation, and a molar ratio of persulfate/Fe2+ of
Journal Title: Journal of environmental chemical engineering
Year Published: 2021
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