Fundamental Principles of Biogas Product

Biogas is a mixture of gases (containing 50-75% Methane, and 25-50%Carbon dioxide while 0-10% Nitrogen, 0-3% Hydrogen disulphide and 0-2% Hydrogen may be present as impurities) produced by anaerobic digestion (fermentation). The sequential enzymatic breakdown of biodegradable organic material (Biomass) in the biodigester occurs in four major steps i.e. hydrolysis, acidogenesis, acetogenesis and methanogenesis.