Research Status of Advanced Oxidation Process Based on Free Radicals in Printing and Dyeing Wastewater Treatment
Printing and dyeing wastewater is difficult to be biodegraded because of a large discharge volume,high chromaticity,high toxicity,which is a high concentration refractory organic wastewater in industrial wastewater.This paper summarizes the advanced oxidation process based on free radicals,including hydroxyl radicals and sulfate radicals,as well as the activation methods of sulfate radical.Furthermore,the research on the treatment of printing and dyeing wastewater and refractory organic pollutants by these two technologies are introduced as well.Finally,the future trends in advanced oxidation process for sulfate radical were proposed.
printing and dyeing wastewateradvanced oxidation processhydroxyl radicalsulfate radicalactivationpersulfate
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