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NEET · Biology · STD 12 - 8. microbes in human welfare

Which of the following in sewage treatment removes suspended solids?

  1. A Secondary treatment
  2. B Primary treatment
  3. C Sludge treatment
  4. D Tertiary treatment
Verified Solution

Answer & Solution

Correct Answer

(B) Primary treatment

Step-by-step Solution

Detailed explanation

(b) : Primary or physical treatment is the process of removal of small and large, floating and suspended solids from sewage through two processes of filtration and sedimentation.