Treatment method of aging landfill leachate
A landfill leachate and treatment method technology, which is applied in the treatment of aging landfill leachate and waste water treatment, can solve the problems of poor biodegradability, large changes in water quality and quantity, excessive organic matter and other pollutants, and achieve strong impact load resistance , Guaranteed stability, good removal effect
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[0035] see figure 1 , the processing method of aging landfill leachate of the present invention comprises following specific operations:
[0036] (1) Pretreatment: The aging landfill leachate is poured into the adjustment tank to adjust the water quality, water volume and B / C ratio, and the hydraulic retention time in the adjustment tank is 90-150d; the effluent from the adjustment tank enters the hydrolysis acidification tank for treatment Hydrolytic acidification;
[0037] (2) Biochemical treatment: the leachate after hydrolysis and acidification flows into the primary A / O from the hydrolysis and acidification tank 2 The denitrification / carbon oxidation / nitrification reaction is carried out in the reaction tank to remove organic matter and ammonia nitrogen in the leachate, and the primary A / O 2 The hydraulic retention time in the reaction tank is 7d; the first-level A / O 2 The effluent from the reaction tank enters the secondary A / O reaction tank for denitrification / nitrif...
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