At present,domestic landfill leachate treatment mainly uses membrane filtration.But the concentrated solution produced by membrane treatment is difficult to treat,and the cost is high.A project adopts"micro electrolysis catalytic oxidation pretreatment process + A/O-MBR"treatment process,the treatment scale is 50m3/d.The effluent quality meets the standard in Table 2 of Standard for Pollution Control on the Landfill Site of Municipal Solid Waste(GB 16889-2008).The results of engineering application show that the micro electrolysis catalytic oxidation process has the advantages of no concentrated solution,stable operation and simple operation control,which is worthy of popularization and application in landfill leachate treatment.
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