What is the void ratio of filter media?

The supernatant from the tank flows into a ____

Calculate the diameter of the flocculation zone for the following data: Flow: 200 m3/h. Height considered (SWD):3.5 m

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

Calculate the flow rate of the backwash pump to be used for a pressure sand filter with the following data. Flowrate: 2…

Even by high-rate of backwash, efficiency of cleaning is poor.

While designing a clarifier what is the maximum limit velocity that is assumed?

In which type of trickling filter is nitrogen oxidized?