E3S Web Conf.
Volume 338, 20227th International Conference on Environmental Science and Material Application (ESMA 2021)
|Number of page(s)||4|
|Published online||20 January 2022|
Study on advanced treatment of wastewater by advanced oxidation based on sulfate radical
School of environment, North China Electric Power University, Baoding, China
* Corresponding author: firstname.lastname@example.org
At present, the use of water in each country increases sharply, which also brings increasingly prominent environmental pollution problems. A large amount of wastewater is discharged into the water body, which seriously pollutes the water environment. Wastewater treatment has become the focus of global environmental protection workers. Among them, advanced oxidation technology based on sulfate radical is used to treat refractory organic pollutants. The technology has good cleaning efficiency and oxidation stability. In order to improve the universality of research and application and in-depth decontamination, this free radical advanced oxidation method was applied to the advanced treatment of wastewater. However, divalent iron ions react with Na2S2O3 very quickly, resulting in the reaction stopping soon. Therefore, zero valent iron (ZVI) is used to activate sodium persulfate to produce sulfate radical instead of divalent Fe ion. ZVI activation is applied to wastewater treatment.
© The Authors, published by EDP Sciences, 2022
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