Question

What gases are produced in anaerobic sludge digesters

• A. Methane hydrogen sulphide and $CO_{2}$
• B. Methane, hydrogen, sulphide and $O_{2}$
• C. Hydrogen sulphide and $CO_{2}$
• D. Methane and $CO_{2}$ only

Answer 1

Answer: (A)

Methane hydrogen sulphide and $CO_{2}$