Anaerobic ammonia oxidation sewage autotrophic nitrogen removal system and process method based on efficient short-cut nitrification

• Main Authors: SU ANMEI, CHEN ZHONG, XIE RONGHENG, LIANG YUNXIANG, LI YOUGUO, WEI XING, YIN YEXING
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides an anaerobic ammonia oxidation sewage autotrophic nitrogen removal system and process method based on efficient short-cut nitrification, the system comprises a short-cut nitrification zone, an oxygen elimination zone, an anaerobic ammonia oxidation zone, a reflux zone, an air pushing zone and a clarification zone, the top of the short-cut nitrification zone is provided with a water inlet pipe, the top of the short-cut nitrification zone is communicated with the top of the oxygen elimination zone, and the top of the anaerobic ammonia oxidation zone is communicated with the water inlet pipe. The bottom of the oxygen elimination zone is communicated with the anaerobic ammonia oxidation zone, the top of the anaerobic ammonia oxidation zone is communicated with the top of the backflow zone, the bottoms of the clarification zone, the backflow zone and the air pushing zone are communicated with one another, and the top of the air pushing zone is communicated with the top of the short-cut nitri