12th Class Biology Sample Paper Biology - Sample Paper-8

  • question_answer
    What is anaerobic digestion of wastewater?

    Answer:

    In anaerobic digestion of waste water bacteria present in anaerobic sludge digester which grow anaerobically digest bacteria & fungi in the sluge. During the digestion, bacteria produces a mixture of gases such as -
    Methane 60 - 70%
    \[C{{O}_{2}}\] 20%
    \[{{H}_{2}}\]and \[{{N}_{2}}\] 10% 


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