Continuous flow low C/N (carbon/nitrogen ratio) municipal wastewater partial nitrification/ anaerobic ammonia oxidation and denitrification nitrogen removal method
An anammox and municipal sewage technology, which is applied in the field of continuous flow low C/N urban sewage short-range nitrification/anammox + denitrification and denitrification, can solve the problems of difficult and efficient denitrification of urban sewage, and reduce pollution. Sludge treatment costs, reduced sewage energy consumption, and low sludge yield
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[0022] The present invention will be further described below with reference to the drawings and embodiments: continuous flow low-C / N urban sewage short-cut nitrification / anaerobic ammonia oxidation + denitrification denitrification device, which is characterized in that: a municipal sewage raw water tank 1. biological denitrification Reactor 2, secondary sedimentation tank 3; urban sewage raw water tank 1 is equipped with overflow pipe 1.1 and vent pipe 1.2; urban sewage raw water tank 1 is connected to the water inlet pipe of biological denitrification reactor 2 through inlet pump 2.1; biological denitrification Reactor 2 is divided into 7 compartments, and flow holes are staggered up and down according to the direction of water flow to connect each compartment; the compartments are anoxic denitrification zone, aerobic short-range nitrification zone, anoxic anaerobic ammonia oxidation zone, aerobic Short-cut nitrification zone, anoxic anammox zone, aerobic short-cut nitrificati...
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