What is the maximum head loss at which the filter should be cleaned?

How many hours does it take for filters to attain turbidity breakthrough?

While designing a trickling filter what would be the depth assumed?

For a high rate filter calculate the diameter of the filter required for a flow of water of 200 m3/h.

What is the surface area of the River rock (Large) packing material used in trickling filters as the packing medium?

Trickling filter can also be called as a biofilter.

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

What is the specified minimum time for backwash of rapid filters?