Which of the following is the most efficient for removal of very finel – McqOptions

MCQOPTIONS

1.	Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream ?
A.	Sedimentation tank
B.	Circular clarifier
C.	Mechanical flocculation
D.	Chemical coagulation
Answer» E.

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