Question

Put the steps of drinking water treatment in the correct order.

step 4

step 3

step 5

step 2

step 1

Options: Disinfection, Coagulation and Flocculation, Screening and Straining, Sedimentation, Filtration

Answer 1

Screening and Straining, Coagulation and Flocculation, Sedimentation, Filtration, Disinfection