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Biology · PYQ NEET UG 2020

हिन्दी

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

  1. A
    Floating debris
  2. B
    Effluents of primary treatment
  3. C
    Activated sludge
  4. D
    Primary sludge
View Answer & Solution

Correct answer · Option C

Activated sludge

Explanation

A small part of the activated sludge is pumped back into the aeration tank while the major part of the sludge is pumped into anaerobic sludge digesters.

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