How is the height of the sludge calculated in a sludge drying bed?

What is the ratio of Alum/Phosphate while adding alum to a waste water in order to remove the phosphates present?

At which point, chemical addition for phosphorous removal can’t be carried out?

How is the critical concentration of sludge thickener tank calculated?

Which of these process is involved in the settling process in solid thickening facilities?

When will the particles settle in a tank which is subjected to countercurrent settling?

Calculate the volume of flocculator for the following data: Flow rate: 2200m3/hr

In the discrete settling type which of these factors is a constant?