E-mail: michael@shboqu.com   |   Expert in Water Quality Measurement and Water Treatment Project

Causes and treatment methods of excessive ammonia nitrogen in domestic sewage

by:BOQU     2023-03-17
1. The reason for the excessive ammonia nitrogen in domestic sewage The reason for the high ammonia nitrogen in the influent is mainly related to the source of wastewater. The reason for the high ammonia nitrogen in the effluent is mainly related to the process of the sewage treatment site. Whether the coagulation and sedimentation process is perfect now, and whether there is a special removal of ammonia nitrogen? Treatment process, on-site operation and maintenance of the treatment process. 2. How to solve the problem of excessive ammonia nitrogen in domestic sewage Process improvement: On the basis of the original process, add an effective ammonia nitrogen treatment process, or improve the original ammonia nitrogen treatment process to achieve the goal of discharge standards. Adsorption method: Bentonite, natural or synthetic zeolite, kaolin and activated carbon can be used to adsorb nitrogen and nitrogen in wastewater, among which synthetic zeolite has the ability to adsorb ammonium ions. However, the processing effect of this method is not ideal. Stripping method: Under alkaline conditions, it is a method of separation using the gas-liquid equilibrium relationship between the gas phase concentration and the liquid phase concentration of ammonia nitrogen. It is generally believed that stripping is related to humidity, PH, and gas-liquid ratio. Use this method to operate technically complicated, and labor cost is high. Chemical treatment method: The oxidation of ammonia nitrogen remover decomposes ammonia nitrogen, and optimizes the treatment capacity of the process to achieve efficient treatment effect.
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