Question

How is biogas obtained from biomass?

Answer 1

through out the entire process,large organic polymers that make up Biomass are broken down into smaller molecules by chemicals and microorganisms. Upon completion of anaerobic digestion process,the Biomass is converted into Bio gas,namely carbon dioxide and methane,as well as digestate and waste water.

Answer 2

Answer:

Fuels which are obtained from biomass are called bio fuels and they are an important and  renewable source of energy. Biofuels can be in the form of either solid, liquid or gases.

Solid biofuels - coal, dung, crop residue

Liquid - vegetable oils, alcohol

Gaseous - gobar gas, coal gas

Hope it  helps you :)