In a biogas digestor having biomass and animal wastes as feed, for optimum methane production, the value of pH should be such that initiall

A pH is in the range 6.6 to 7

B pH < 6.2

C pH is in the range 7 to 7.2

D pH is in the range 7.6 to 8

Answer & Explanation
Answer:pH is in the range 6.6 to 7

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