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Item No. | MBBR 64 |
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Diameter* Height |
25 mm* 4mm |
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Surface Area |
> 1200 m2/m3 |
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Rooms |
64 rooms |
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Number of units per m3 |
980000pcs |
Fist-sized sludge floats up and down in the sedimentation tank intermittently.
There are two situations that cause a large piece of sludge to float up.
Denitrification sludge. The floating sludge is lighter in color, sometimes with rusty color. The reason is that the degree of nitrification in the aeration tank is relatively high. Nitrogen-containing compounds are converted into nitrate through ammoniation and nitrification. The concentration of N03-N is high. At this time, if the sedimentation tank has a too small reflux ratio or poor reflux, etc. The reason is that the sludge level rises, and the sludge cannot be renewed for a long time. The sludge at the bottom of the sedimentation tank can denitrify nitrate due to lack of oxygen.
The improvement method is: increase the reflux ratio to renew the sludge in the sedimentation tank and reduce the sludge layer; reduce the sludge age and discharge more sludge to reduce the sludge concentration; and also appropriately reduce the DO level of the aeration tank. The above measures can reduce nitrification to reduce the source of nitrate.
K1 Pond Media can play a very good filtering role and fundamentally prevent the generation of sludge. It is the first choice for many sewage treatment plants and farmers.
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