What is the treatment method for ammonia nitrogen wastewater? -Huaqiang Electronic Network

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What is the treatment method for ammonia nitrogen wastewater? This is a lot of people's doubts. In fact, it is not difficult. The following is a simple and effective way to solve the ammonia nitrogen wastewater method.

Ammonia nitrogen form in sewage: There are two main types of ammonia nitrogen in wastewater. One is ammonia nitrogen formed by ammonia water, and the other is ammonia nitrogen formed by inorganic ammonia, mainly ammonium sulfate, ammonium chloride and the like. There are four types: organic nitrogen, ammonia nitrogen, nitrogen nitrite (NO2-) and nitrogen nitrate (NO3-). Nitrate nitrogen (NO3-) is mainly dominated by natural surface water bodies and groundwater bodies. The general formation of high ammonia nitrogen wastewater is caused by the coexistence of ammonia water and inorganic ammonia. Generally, the main source of ammonia nitrogen in the ph above neutral pH is the joint action of inorganic ammonia and ammonia water, and ph in wastewater under acidic conditions. Ammonia nitrogen is mainly caused by inorganic ammonia.

Ecological environment: The main harmful effect of ammonia nitrogen on aquatic organisms is free ammonia, which is several times more toxic than ammonium salt and increases with the increase of alkalinity. The toxicity of ammonia nitrogen is closely related to the pH value and water temperature of the pool water. In general, the higher the pH value and water temperature, the stronger the toxicity, and the harm to fish is similar to that of nitrite.

Biological treatment: It is the biological denitrification that we often say, mainly including ammoniation, nitrification, denitrification and finally taking off from the water with nitrogen. Biological denitrification is now a lot of mature processes, which are very common in water treatment.

The chemical method removes ammonia nitrogen: according to the nature of the pollutants in the wastewater, if necessary, a certain chemical raw material (ammonia nitrogen remover SN-1) is added, under certain process conditions (temperature, catalyst, pH value, pressure, stirring conditions, The reaction time, the proportion of the ingredients, and the like are subjected to a chemical reaction to cause a pollutant in the wastewater to form a precipitate or a polymer having a small solubility, or to generate a water-insoluble gas product, thereby purifying the wastewater or achieving a certain removal rate. It is also important to choose the right chemical raw materials.

The quickest method for ammonia nitrogen wastewater treatment is to add ammonia nitrogen remover SN-1, without adding the original process, directly adding, more than 96% of the remover.