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The heat value in a digestion tank of an anaerobic process is _______ kJ/m^3.

(a) 210

(b) 220

(c) 230

(d) 240

I got this question in an online quiz.

Asked question is from Biological Treatment topic in chapter Chemical, Physical & Biological Treatment of Hazardous Waste Management

1 Answer

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by (424k points)
Correct answer is (b) 220

To elaborate: The heat value in a digestion tank of an anaerobic process is 220 kJ/m^3, with about 0.94 m^3 of gas formed per kilogram of VSS destroyed and about 60% methane.

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