Which of these is the most efficient?

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 wash rate?

What is the depth of the trickling filter?

What is the nominal spacing between the plates?

While designing a blower for backwash for multimedia filters with air scouring what is the velocity considered?

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

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