Biogas. Report by the Academy of Technologies

This report first gives an overview of the different technological aspects of the industrial production of biogas: history of biogas production, extraction of biogas from landfills of non-hazardous wastes, industrial anaerobic fermentation, case of sewage plant sludge, biogas purification, by-products (digestates), risks related to biogas production, thermochemical technologies such as methanation. Then, it gives an overview of direct energy production and of other uses of biogas. It discusses the place of biogas in the world, in the USA and in Europe, and proposes a focus on the German model. It comments the French situation (reasons for a delayed interest in biogas, present situation)