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Microbes in Human Welfare question

2020 · Q57
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Microbes in Human Welfare question

2020 · Q57

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
Which of the following is put into Anaerobic sludge digester for further sewage treatment?
  1. A
    Effluents of primary treatment
  2. B
    Primary sludge
  3. C
    Floating debris
  4. D
    Activated sludge
View written solutionFree

Correct answer: D

The sediment in settlement tank is called activated sludge. A small part of the activated sludge is pumped back into aeration tank. Remaining major part of the sludge is pumped into large tank called anaerobic sludge digesters.

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