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

Filter cycle is interrupted for __

Which of the following causes thickening of the biofilm?

What would happen if the tube settler is inclined at an angle lesser than 45 degrees?

For rock type of packing in intermediate filtration trickling filters what is the hydraulic rate considered?

What does MLSS stand for?

While designing a blower for backwash for sand filters with air scouring what is the velocity considered?

What is the mixed liquor?