Urban garbage transfer station leachate in-situ denitrification and carbon removal integrated apparatus and urban garbage transfer station leachate in-situ denitrification and carbon removal integrated process
A technology for urban garbage and transfer stations, applied in aerobic and anaerobic process treatment, polluted groundwater/leachate treatment, filtration treatment, etc., can solve problems such as expensive chemicals, membrane pollution, concentrated solution, and strict load requirements , to achieve the effect of exhaust gas discharge up to standard, short hydraulic retention time and strong impact load resistance
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[0040] Taking the leachate treatment process of a garbage transfer station in a town in Hangzhou as an example, the leachate of the transfer station is treated using the above-mentioned devices and processes. The raw water quality is shown in Table 1:
[0041]
[0042] The specific process of the invention method is as follows: figure 2 , the device and treatment process are as mentioned above, and some specific parameters are as follows: 1.5 tons of leachate raw water from the garbage transfer station is pumped into the UASB through the water pump every day for anaerobic fermentation reaction, and the top supernatant is returned to the bottom of the UASB at the same time, with a reflux ratio of 100 %-200%, the reflux time is 24 h. The waste gas generated during the anaerobic fermentation process is collected and treated by waste gas treatment facilities before being discharged up to standard. After 3.2 days in the UASB reactor, the COD concentration can be reduced to 400...
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