Calculate the amount of pebbles required for the following data. Flow: 200 m3/h Velocity of dual media filter: 15m/h …

While designing a pump for backwash for a filter what will be the velocity assumed?

What is the percentage of bacterial removal in filter beds?

For rock type low filtration rate trickling filters what would be depth assumed while designing it?

For roughing type trickling filters what would be the BOD removal rate?

Calculate the volume of the flocculation zone for a clariflocculator for the following data. Flow: 500 m3/h.

For plastic type high filtration rate trickling filters what would be depth assumed while designing it?

Pre-treatment of beds is not necessary.