2835Civil EngineeringMedium
Pick up the incorrect statement from the following?
AThe gases produced in sludge digestion process, contain 75% methane
BThe gases produced in sludge digestion process, contain 75% carbon dioxide
CSludge digestion is carried out in sludge tank
DThe process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion
Correct answer
B. The gases produced in sludge digestion process, contain 75% carbon dioxide
Explanation
The correct answer is The gases produced in sludge digestion process, contain 75% carbon dioxide.