Application of Ozone Catalytic Oxidation in Municipal Waste water Treatment
With the rapid development of modern industry,the types and concentrations of refractory organic pollutants in industrial wastewater are increasing and becoming complex.Traditional physical,chemical and biochemical treatment methods are difficult to efficiently remove these pollutants and cannot meet increasingly stringent environmental standards.Therefore,solving the problem of difficult biodegradation of industrial wastewater has become an important research topic in the fields of chemistry and environmental science.This article conducts a pilot test of ozone catalytic oxidation in an urban sewage treatment plant that implements Class A emission standards to explore the ability of ozone catalytic oxidation as an advanced treatment unit to further degrade the COD index of the secondary treatment effluent from urban sewage plants.Through the dosage of ozone and the removal of COD indicators,explore the dosage of ozone and the removal ratio of COD,in order to provide design basis for engineering applications such as Class Ⅳ water standard improvement in sewage treatment plants.
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