When filled which of the following material both nitrogen and BOD are removed?

The synthetic fibres used are temperature resistant.

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

What is the porosity range during expansion of the filter bed?

At what pressure is the air blown during cleaning?

For plastic type high filtration rate trickling filters what would be the BOD removal rate?

Calculate the flocculation volume for an HRSCC for the following data. Flow: 300 m3/h.

For rock type of roughing packing trickling filter what will be the hydraulic loading rate?