Biogas technology

thumb|270px|Simple sketch of household biogas plant

device for producing combustible gas from timber or charcoal

methane-enriched biogas

removal of impurities from gases by scrubbing them in aqueous solutions of various alkylamines

right|thumbnail|300px|Acidogenic digestate produced from mixed municipal waste Digestate is the material remaining after the anaerobic digestion (decomposition under low oxygen conditions) of a biodegradable feedstock. Anaerobic digestion produces two main products: digestate and biogas. Digestate is produced both by acidogenesis and methanogenesis and each has different characteristics. These characteristics stem from the original feedstock source as well as the processes themselves.