What is the surface wash rate?

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

What would happen if the tube settler is inclined at an angle lesser than 45 degrees?

The settling depth provided by tube settlers is _____ than the actual settling depth.

For rock type low filtration rate trickling filters what would be the recycling ratio assumed?

Trickling filter can also be called as a biofilter.

What is the surface area of the plastic high specific surface area packing material used in trickling filters as the pac…

What is the bulk density of sand assumed while designing the amount required for a sand filter?