Continuous flow low-carbon denitrification process for low-carbon-nitrogen-ratio domestic sewage
A low-carbon-to-nitrogen ratio, domestic sewage technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, aerobic and anaerobic process treatment, etc. Sewage water temperature, stability, high requirements for automatic control, etc., to achieve the effect of easy engineering use and efficient treatment
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[0026] The present invention is further described below in conjunction with specific embodiments.
[0027] like figure 1 , A treatment system for implementing the continuous flow low-carbon denitrification process of the present invention includes two pools, the first being a biological reaction pool and the second being a secondary sedimentation pool 10 . The biological reaction tank is divided into three grids, which are the anaerobic tank 2 as the A pool, the anoxic pool 3 as the A pool and the aerobic pool 4 as the O pool. The aerobic tank 4 is connected with the secondary sedimentation tank 10 through the transition pipe 9 . Phosphorus-accumulating bacteria in anaerobic tank 2 release phosphorus; in aerobic tank 4, mineralization of organic pollutants and nitrification and nitrification of ammonia nitrogen occur and excessive phosphorus intake; in anoxic tank 3, denitrification of nitrate nitrogen occurs, and converted into nitrogen. The secondary sedimentation tank 10...
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