Integral two-stage type anaerobic ammoxidation coupling denitrification denitriding decarbonizing device and operation control method thereof

Abstract

The invention relates to an integral two-stage type anaerobic ammoxidation coupling denitrification denitriding decarbonizing device and an operation control method thereof. A device body mainly consists of an anaerobic ammoxidation coupling denitrification reaction chamber and an anaerobic ammoxidation reaction chamber; the top of each of the two reaction chambers is provided with a filling layer and a reticular baffle plate with holes; the side wall of the body is sequentially provided with a water distributor, a mud discharging opening, a determining instrument, a sample taking opening, a mud inlet, a backflow opening, an inclined backflow cutoff preventing baffle plate, a water discharging pipe and an exhaust pipe from bottom to top. The ammonia nitrogen concentration range is controlled to be 160 to 360mg / L; the ratio of ammonia nitrogen to nitrite nitrogen is 1:(0.5 to 0.8); functional bacterial flora can be domesticated and cultured in the reaction chambers with different height-diameter ratio in the staged way; the major bacterial flora in the anaerobic ammoxidation coupling denitrification reaction chamber are anaerobic ammoxidation bacteria and denitrification bacteria, and the auxiliary bacterial flora are ammoxidation bacteria; the major bacterial flora in the anaerobic ammoxidation reaction chamber are anaerobic ammoxidation bacteria; through the longitudinal distribution characteristics of the bacterial flora and the control of the backflow ratio, the defects of low impact resistance load and operation instability of a traditional biological coupling device are overcome.

Description

technical field [0001] The invention relates to an anaerobic ammonium oxidation coupled denitrification denitrification and carbon removal device and its control operation method, especially an anaerobic digestion of high ammonia nitrogen and low C / N ratio organic wastewater, anaerobic An integrated two-stage anaerobic ammonium oxidation coupled denitrification denitrification and carbon removal device for digestate water treatment and its control and operation method. Background technique [0002] The traditional nitrification-denitrification denitrification process needs to consume oxygen and organic carbon sources, but for some low C / N wastewater, it requires an additional carbon source when applied to this process. The treatment cost is high, the process is long, and the operation and management are relatively complicated. Oxyammox is a newly discovered autotrophic transformation process of nitrogen in the process of biological treatment. It refers to the process in whic...

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Problems solved by technology

[0004] Technical problem: In order to solve the problems of low volume load, serious sludge loss and unstable operation in the existing anaerobic ammonium oxidation coupled denitrification device and operation method, the present invention provides a simple structure, An integrated two-stage anaerobic ammonium oxidation coupled denitrification denitrification and carbon removal device with convenient operation and high volume conversion efficiency and its control operation method

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