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

Pre-treatment of beds is not necessary.

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

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

At what pressure is the air blown during cleaning?

What is the mixed liquor?

For plastic type high filtration rate trickling filters what would be the organic loading rate assumed?

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