Question

Biogas contains ........ Ratio of methane and carbon dioxide

Answer 1

The biogas produced contains usually 50-65% methane, 35-50% carbon dioxide

Answer 2

what do you want to know

The biogas produced contains usually 50-65% methane, 35-50% carbon dioxide (World Energy Council, 1994). However the proportions of methane and carbon dioxide keep on varying with the duration and extent of biomethanation over retention time