Study on advanced treatment of wastewater by advanced oxidation based on sulfate radical

At present, the use of water in each country increases sharply, which also brings increasingly prominent environmental pollution problems. A large amount wastewater is discharged into body, seriously pollutes environment. Wastewater treatment has become focus global protection workers. Among them, advanced oxidation technology based on sulfate radical used to treat refractory organic pollutants. The good cleaning efficiency and stability. In order improve universality research application in-depth decontamination, this free method was applied wastewater. However, divalent iron ions react with Na2S2O3 very quickly, resulting reaction stopping soon. Therefore, zero valent (ZVI) activate sodium persulfate produce instead Fe ion. ZVI activation treatment.