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Ammonia removal technology

Ammonia removal technology
Natural surface water and groundwater are dominated by nitrate nitrogen (NO3-), and nitrogen in the form of free ammonia (NH3) and ammonium ions (NH4+). Ammonia nitrogen in contaminated water is called hydrated ammonia, also known as non-ionic ammonia . Non-ionic ammonia is the main factor causing aquatic toxicity. Ammonia nitrogen is a nutrient in water, which can cause eutrophication of water. It is the main oxygen-consuming pollutant in water, which is toxic to fish and some aquatic organisms. Therefore, for wastewater treatment plants, ammonia nitrogen must be discharged. From the known process of removing ammonia nitrogen, we all use nitrification to convert ammonia nitrogen into non-ionic ammonia so that it can be discharged into natural water. Because the nitrifying bacteria that are functioning are autotrophic microorganisms, and the growth rate of the nitrifying bacteria is very slow, they are also very sensitive to water quality environmental conditions such as water temperature, toxicity, impact, etc. Therefore, nitrifying bacteria are easily lost.

Nitrification process: oxidation of ammonia nitrogen to nitrate



By externally adding MicroBoost®-N to supplement N. eutropha and N. eutropha to quickly restore the system's ammonia nitrogen removal function.

In the sewage treatment plant under the impact of toxic substances or low temperature conditions, the number of indigenous nitrifying bacteria is reduced, the activity is reduced, the reproduction is inhibited, and the ammonia nitrogen removal rate is reduced. The nitrifying bacteria provided by MicroBoost®-N cooperate with indigenous nitrifying bacteria to enhance the nitrification capacity of the system and improve the performance of the system under toxicity, inhibitors or low temperature conditions. MicroBoost®-N can quickly establish a nitrification system during the start-up period of the sewage treatment system; it can be used when the sewage treatment system nitrification system is impacted, quickly restore the nitrification function, and can be used during the daily operation of the sewage treatment system to increase the stability of the nitrification system And sustainability.