Identify the sequence of processes in sewage treatment:

  • A
    Filtration $\rightarrow$ Sedimentation $\rightarrow$ Biological treatment $\rightarrow$ Anaerobic sludge digesters
  • B
    Sedimentation $\rightarrow$ Filtration $\rightarrow$ Biological treatment $\rightarrow$ Anaerobic sludge digesters
  • C
    Filtration $\rightarrow$ Sedimentation $\rightarrow$ Anaerobic sludge digesters $\rightarrow$ Biological treatment
  • D
    Sedimentation $\rightarrow$ Filtration $\rightarrow$ Anaerobic sludge digesters $\rightarrow$ Biological treatment

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Similar Questions

Given below are two statements with reference to the secondary treatment of sewage.
Statement $I$: The $BOD$ of effluent increases.
Statement $II$: Flocs of bacteria consume the major part of the organic matter present in the effluent.
In the light of the above statements,choose the most appropriate answer from the options given below.

Identify the incorrect statement.

During which process are flocs formed?

What are flocs?

What is the composition of flocs?

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