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Which of the following condition is not suited for anaerobic treatment of solid wastes?

(a) Controlled temperature

(b) Controlled moisture

(c) Closed vessel

(d) Open vessel

The question was posed to me in an internship interview.

This interesting question is from Anaerobic Treatment of Solid Wastes and Biogas Generation topic in portion Biotechnology for Solid Waste Management of Environmental Biotechnology

1 Answer

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Best answer
Correct choice is (d) Open vessel

Easy explanation: The anaerobic digestion of solid wastes is usually carried out under anaerobic conditions where the temperature is controlled and mainly high moisture control. This is usually carried out in a closed vessel to maintain temperature and particular conditions inside the vessel. Therefore, this digestion cannot be carried out in an open vessel.

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