The process of adding certain chemicals to water in order to form flocculent precipitate for absorbing and entraining colloidal mater is called sedimentation with coagulation.

Related MCQs

• Plain sedimentation is a process of retaining water in a basin so that the suspended particles settles down as a result of the
• When turbidity of water exceeds about 45 ppm, coagulation
• The coagulation is not required in
• Aluminium sulphate may be used for coagulation.
• Coagulation is required when the particles are of
• Colloidal impurities if associated with organic matter having bacterias becomes the chief source of
• The length of rectangular sedimentation tank should not be more than
• The efficiency of sedimentation tank for a given discharge, can be increased by
• The detention time for an ordinary plain sedimentation tank is
• The velocity of flow in any sedimentation tank should not exceed