Device and method for realizing short-cut nitrification-anaerobic ammonia oxidation based on lateral inhibition of hydroxylamine
An anaerobic ammonia oxidation and short-range nitrification technology is applied in the denitrification treatment of urban sewage; in the field, it can solve the problems of activated sludge prone to sludge bulking, energy consumption, and reduction of nitrification rate, etc., and achieves large reaction driving force and good effect. , the effect of simple process
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[0031] The reactors used in this method are all SBR, made of plexiglass, the short-path nitrification SBR reactor, and the anammox SBR reactor have an effective volume of 10L, and the sludge treatment SBR reactor has an effective volume of 5L. An aeration device is installed at the bottom of the short-path nitrification reactor and the sludge treatment reactor, and the constant dissolved oxygen can be controlled by adjusting the flow meter and DO online feedback. Part of the short-path nitrification SBR reactor and the anammox SBR reactor are equipped with agitators to ensure uniform mixing of mud and water. The water is inflowed by the peristaltic pump, and the water is outflowed by the drain valve. The time of water inflow and outflow is controlled by the online platform.
[0032] During the operation of the system, the sewage treatment process is as follows: First, the domestic sewage is pumped into the short-range nitrification SBR reactor (2) through the first water inlet...
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