Do you know the advantages of MBBR?
After reading followings, you may have a general understanding.
Compared with the activated sludge method and the fixed-filler biofilm method, MBBR not only has the high efficiency and operational flexibility of the activated sludge method but also has the characteristics of impact load resistance, long sludge age, and less residual sludge in the traditional biofilm method.
1.Packing characteristics
The fillers are mostly made of polyethylene, polypropylene, and their modified materials, polyurethane foam, etc. The specific gravity is close to that of water, mainly cylindrical and spherical. It is easy to hang the film, does not agglomerate, does not block, and is easy to peel off.
2.Good denitrification ability
Anaerobic, anoxic, and anaerobic environment is formed on the packing, and nitrification and denitrification reactions can occur in one reactor, which has a good effect on the removal of ammonia nitrogen.
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3.Good effect of removing organic matter
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 efficiency of organic treatment, and strong impact load resistance.
4. Easy to maintain and manage
There is no need to install filler brackets in the aeration tank, which facilitates the maintenance of the filler and the aeration device at the bottom of the tank, and saves investment and floor space at the same time.
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