Question

Biogas produced by anaerobic fermentation of water biomass consists of

• A. Methane
• B. Traces of $H_2,H_{2}Sand{N}_2$
• C. $C{O}_2$
• D. All of the above

Answer 1

The correct option is D All of the above

Biogas typically refers to a mixture of different gases produced by the breakdown of many organic matter in the absence of oxygen. Biogas can be produced from regionally available raw materials such as recycled waste. It is a renewable energy source. It is primarily methane (CH${}_4$) and carbon dioxide (CO${}_2$) and may have small amounts of hydrogen sulphide (H${}_2$S), moisture and siloxanes.