A. The process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion
B. Sludge digestion is carried out in sludge tank
C. The gases produced in sludge digestion process, contain 75% carbon dioxide
D. The gases produced in sludge digestion process, contain 75% methane
Correct Answer: The gases produced in sludge digestion process, contain 75% carbon dioxide ✔
Last Updated: August 25, 2020