Experimental study on removal of residual chlorine from water produced by electrooxidation with powder activated carbon
In view of the problem of residual chlorine in water produced after electrooxidation treatment of wastewater,this study took the water produced after electrooxidation treatment of landfill leachate as the research object,and used powdered activated carbon to remove residual chlorine in water.The effects of reaction time,initial pH of solution,properties of activated carbon,and dosage of activated carbon on the removal of residual chlorine by activated carbon were investigated,and the process test of the removal of residual chlorine by powdered activated carbon was conducted.The results showed that reducing the initial pH of the solution was beneficial to the removal of residual chlorine,and there were obvious differences in the removal effects of different properties of powdered activated carbon on residual chlorine.The maximum removal capacity of powdered activated carbon used in the test was 3 000 mg/g.After the process of powdered activated carbon + vacuum rotary plate filtrationn",the residual chlorine of electrooxidation water production is stable at about 1 mg/L.
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