Advanced treatment method for garbage percolate
A landfill leachate and advanced treatment technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of low removal rate of ammonia nitrogen and total nitrogen, and achieve effluent water quality Stability, simple operation, and the effect of reducing the land area
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[0019] See shown in Figure 1, the method for advanced treatment of landfill leachate of the present invention, carry out according to the following steps,
[0020] (1) Denitrification reaction: Put the landfill leachate in the denitrification tank, and continuously push the flow in the denitrification tank to perform denitrification reaction on the landfill leachate. In an anoxic environment, nitrate and nitrite pass through the anaerobic bacteria in the Under the action of the reflux concentrate of the ultrafilter and the carbon source in the landfill leachate, it is reduced to nitrogen and discharged to achieve the purpose of biological denitrification. The liquid level of the landfill leachate in the denitrification tank is ≥ 7 meters, and the landfill leachate stays for 10- After 18 hours, it flows into the nitrification tank by itself.
[0021] (2) Nitrification reaction: Garbage leachate flows from the denitrification tank to the nitrification tank, continuous jet flow a...
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