Question:

Arrange the steps of biological sewage treatment process in a sequence.
(A) Vigorous growth of flocs and significant reduction in BOD 
(B) Activated sludge pumped into anaerobic sludge digester 
(C) Effluent passed into an aeration tank and agitated mechanically 
(D) Effluent transfer to settling tank followed by sedimentation of bacterial flocs 
Choose the correct answer from the options given below:

Updated On: May 31, 2024
  • (A), (B), (C), (D)
  • (B), (C), (D), (A)
  • (C), (A), (D), (B)
  • (D), (C), (B), (A)
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The Correct Option is C

Solution and Explanation

The correct option is (C) : (C), (A), (D), (B)
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