Calculate the flow rate of the backwash pump to be used for a multimedia filter with the following data. Flowrate: 2200…

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

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

What is the nominal spacing between the plates?

For rock type low filtration rate trickling filters what would be the organic loading rate assumed?

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

Which of the following causes thickening of the biofilm?

What is the mathematical representation when many plates are used?