MBBR bio media is often used in municipal sewage. After reading the following content, you will know the reason.
1.Small footprint:
Under the condition of 15% filler filling rate and the same pollution load, the moving bed biofilm reactor accounts for about 20-40% of the pools of conventional bioreactors (anaerobic, anaerobic, and aerobic) Content.
2. Suitable for the expansion of municipal sewage treatment plants:
In view of the fact that most sewage treatment plants have less reserved areas when the actual influent water quality and water volume change. Under the condition that the original design tank capacity remains unchanged, the original design water discharge standard can be met.
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3. Suitable for upgrading and transformation of existing sewage treatment plants:
The moving bed biofilm process is flexible and simple in design and operation, adapts to different types of ponds, and has strong compatibility with other processes, and can be compatible with large-scale sewage treatment plants that have been built. Some processes such as A2O, AO, SBR, CASS, and oxidation ditch method are combined. Therefore, it is suitable for the upgrading and transformation of existing sewage treatment plants to meet the first-level A or first-level B discharge standards.
4. The moving bed biofilm reactor
not only has the characteristics of impact load resistance, long sludge age, less residual sludge, and no sludge expansion in the traditional biofilm process but also has the high efficiency and operational flexibility of the activated sludge process. On the other hand, the impact of temperature changes on the moving bed biofilm process is much smaller than that on the activated sludge process. When the temperature, sewage composition change, or the sewage toxicity increases, the resistance of the moving bed biofilm reactor is very strong.
5. A good nutrient, anoxic and anaerobic environment is formed on the packing. Nitrification and denitrification reactions can occur in one reactor, which has a good effect on the removal of ammonia nitrogen.
6. The sludge concentration in the reactor is relatively high, and the general sludge concentration is 5-10 times that of the ordinary activated sludge method, which can be as high as 30-40g/L. Improve the treatment efficiency of organic matter, and at the same time have strong impact load resistance.
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Email: doris@juntaiplastic.com