Out of these which is not used as a chemical coagulant?

What is the time period for which the water is stored in fill and draw type of sedimentation tank?

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

At what pH is the solubility of AlPO4 minimum?

What is the detention time considered while designing a primary sedimentation tank which is followed by a secondary trea…

How concentrated are the suspensions which are subjected to hindered settling?

What is the flight speed assumed while designing a rectangular tank?

How many hours does the removing of Settleable particles require in fill and draw type of sedimentation tanks?