Landfill percolate treatment novel process
A landfill leachate and new process technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of increasing membrane treatment pressure, high one-time construction investment, and process adaptability Poor performance and other problems, to achieve the effect of improving the impact load resistance, short and compact process flow, and compact process flow
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[0021] Embodiment one: a kind of landfill leachate treatment new technique (referring to figure 1), including the following steps, (1) Collecting the landfill leachate into the adjustment tank, the hydraulic retention time (HRT) of the adjustment tank is ≥ 90 days, so as to effectively adjust the water quality and quantity of the leachate; (2) The effluent of the adjustment tank is lifted into the ammonia The blow-off reactor mainly removes a large amount of free ammonia. The ammonia blow-off reactor is an ammonia blow-off tower. The ammonia blow-off process adopts air blow-off, and the effluent from the adjustment tank is first pumped into the pH adjustment tank through the lift pump to adjust the pH. From 9 to 11, the sedimentation is removed through the vertical flow sedimentation tank. The sedimentation time is about 2 hours. The effluent from the sedimentation tank is pumped into the ammonia stripping tower to remove free ammonia nitrogen. Water, the lower part is aerated...
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