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

Which of these don’t require a flash mixer and a flocculator prior to it?

In which type of trickling filter very low power is consumed?

While designing a high rate filter what would be the velocity assumed?

While designing an HRSCC what is the detention time assumed for the detention hood?

What is the filter media made of?

Calculate the area of the tube settlers for the given data: Flow: 1500 mm3/h Surface loading rate: 7 m2/m3/h

Hindered zone settling refers to the suspensions of intermediate concentration.