The gas from sludge digestion tank is mainly composed of
A. Nitrogen
B. Carbon dioxide
C. Hydrogen sulphide
D. Methane
Answer: Option D
Solution(By Examveda Team)
The gas from a sludge digestion tank is primarily composed of Methane. Sludge digestion is a process in environmental engineering where organic matter in sewage sludge is decomposed by microorganisms in an anaerobic environment, producing biogas as a byproduct. Biogas is mainly composed of methane, along with smaller amounts of carbon dioxide and traces of other gases such as hydrogen sulfide and nitrogen.Join The Discussion
Comments ( 2 )
Related Questions on Environmental Engineering
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Why not Carbon Dioxide?
Carbon dioxide