The key substance between primary and secondary treatment in Sewage Treatment Plants $(STP)$ is?

  • A
    Effluent
  • B
    Flocs
  • C
    Primary sludge
  • D
    Active sludge

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Similar Questions

Which of the following is used to digest the bacteria and fungi present in sewage sludge?

Given below are two statements about sewage. Based on them,select the correct option given below.
Statement $I$: The sediment in the settling tank is called floc.
Statement $II$: Sewage is first passed in the grit chamber,then it is screened.

Select the correct statement from the following.

Activated sludge means.

Which of the following is put into an anaerobic sludge digester for further sewage treatment?

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