Patent ID: 11884569
Assignee: BEIJING JIAOTONG UNIVERSITY
Field: Environmental technology (Chemistry)
Classification: CPC C  Y | IPC C

Claim 1:
2. The system for biological nitrogen removal and negative carbon discharge from wastewater with low carbon-to-nitrogen ratio according to claim 1, wherein the integrated anaerobic ammonium oxidation apparatus comprises a plurality of reaction compartments and a sedimentation compartment that are communicated with one another in sequence; one of the reaction compartments that is at one end of the integrated anaerobic ammonium oxidation apparatus is communicated with the carbon recovery sedimentation tank via a second water outlet pipe of the pipes, and a top of one of the reaction compartments that is at an other end of the integrated anaerobic ammonium oxidation apparatus is communicated with the sedimentation compartment; adjacent two of the reaction compartments are separated by a corresponding one of a plurality of baffles; the baffles are provided with respective openings in tops or bottoms thereof, and ones of the openings in adjacent two of the baffles are different in position; each of the reaction compartments is provided with a frame, a sponge filler loaded with anaerobic ammonium oxidation sludge is fixed on the frame, and the anaerobic ammonium oxidation sludge contains short-cut nitrification bacteria and anaerobic ammonium bacteria; and a bottom of each of the reaction compartments is provided with a first aeration disc communicated with a second air compressor via a second pipe of the pipes.