Device and method for treating high-concentration ammonia-nitrogen wastewater in aeration-anaerobic circulation mode
A technology for anaerobic circulation and ammonia nitrogen wastewater, applied in aerobic and anaerobic process treatment, water treatment parameter control, chemical instruments and methods, etc., can solve problems such as difficult conversion rates, avoid low efficiency, and achieve moderate oxygenation , to avoid the effect of energy consumption
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[0017] The present invention will be further described below with reference to the drawings and embodiments.
[0018] Such as figure 1 As shown, the principle diagram of the aeration-anaerobic circulation type treatment device for high-concentration ammonia nitrogen wastewater of the present invention is given, which consists of an inlet pipe 1, an oxygenated column 2, an aerator 3, an air supply pipe 4, an inlet pump 5. The water distribution pipe 6, the supporting layer 7, the sludge reactor 8, the air riser 10, the return tank 12, the water outlet pipe 11 and the circulation pipe 13 are composed; the inside of the oxygen column 2 shown is a cavity and the upper end is open, and the oxygen column 2 has a large height-to-diameter ratio, the water inlet pipe 1 is arranged at the upper end of the oxygenation column 2, and the sewage to be purified flows into the oxygenation column 2 through the water inlet pipe 1. The aerator 3 is arranged at the bottom of the cavity inside the o...
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