What is the major constituent of biogas?
Methane(CH 4 )- 50 – 75%, Carbon dioxide(CO 2 )- 25-50%, Nitrogen(N 2 )-0-10%, Hydrogen(H 2 )-0-1%, Hydrogen Sulfide(H 2 S)-0-3%, Oxygen(O 2 )-0-0% In some cases, biogas contains siloxanes. These si