Draws out the maximum potential of biological treatment by setting up a suitable environment for bacteria.

■Good features: The following can be achieved by installing BF:
1)Highly effective one-pass treatment
2)No sludge generated
3)No maintenance

This system is effective when not requiring a BOD high removal rate. This system is also effective for treating low-concentration BOD, like river water or ponds, in a short amount of time and its effectiveness is not related to HRT.

■Good features: The below effects are achieved by installing BF.
1)Plant capacity is increased drastically.
2)Pretreatment processes such as dissolved floatation can be eliminated.
3)Excess sludge volume is significantly reduced.

Plant effectiveness is improved by the combined effects of sludge sticking to the media and floating in the tank.
So operation cost is decreased significantly by omit a pretreatment, reduce sludge volume, maintenance free.

 

■Good features:　
　The following points are achieved because of the high sludge retention of BF.
1)High speed nitrification　　
2)High speed denitrification　　
3)Capacity increases
4)Possibility of phosphorus removal
5)Maximum Q.C.P(Quality and Cost Performance)　

Swim-bed Biofringe keeps enough nitrifying bacteria, which grow very slowly, for rapid nitrification. Dephosphorization processing is also possible. Capacity increase, minimum tank volume, and low-maintenance can be achieved.
The return on investment will be highest among treatment plants.
It is possible to obtain the above effects even by partially installing Biofringe.

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