Trickling filter can also be called as a biofilter.

What is the maximum reduced concentration of BOD obtained at the outlet of tricking filter?

What is the angle at which a tube settler is usually inclined at?

Calculate the diameter of the flocculation zone for the following data: Flow: 200 m3/h. Height considered (SWD):3.5 m

Even by high-rate of backwash, efficiency of cleaning is poor.

In which type of trickling filter very low power is consumed?

Splashing helps in improving aerobic conditions.

Tube settlers are operated in which mode?