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

What is the mathematical representation when many plates are used?

The synthetic fibres used are temperature resistant.

Which of these require a flash mixer prior to it?

While designing a blower for backwash for dual media filters without air scouring what is the velocity considered?

For rock packing low- rate trickling filters what is the hydraulic loading assumed?

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

Which of the following causes thickening of the biofilm?