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Advanced Oxidation Processes Using Sulfate Radicals For Water And Wastewater Treatment Abstract

Eleanor White

Traditional biological treatment approaches do not function well in many industrial wastewater/natural water treatment procedures due to the high toxicity, non-biodegradable, and refractory chemical properties of such wastewaters, including the abundance of organic compounds. Since sulphate radicals have a high redox potential, a long half-life, and wide pH applicability, Sulphate Radical-Based Advanced Oxidation Processes (SR-AOPs) have been shown to offer an alternate strategy to removing refractory organic pollutants. However, because of their slow reaction rates, the oxidants Persulfate (PS) and Peroxymonosulfate (PMS) cannot self-decompose to create sulphate radicals (Xia et al.). As a result, creating efficient and cost-effective activation techniques to produce sulphate radicals for water and wastewater treatment and the removal of refractory organics has been a hot subject in recent years. Reporting on PS/PMS activation techniques, functioning processes, kinetics of sulphate radicals on organics elimination, and possible intermediates throughout the degradation process are the main points of the report.