Which of the following is the most efficient for removal of very finely
divided suspended solids and colloidal matter from the polluted waterstream?
(A) Sedimentation tank
(B) Circular clarifier
(C) Mechanical flocculation
(D) Chemical coagulation
divided suspended solids and colloidal matter from the polluted waterstream?
(A) Sedimentation tank
(B) Circular clarifier
(C) Mechanical flocculation
(D) Chemical coagulation