Biogas -a way to solve sanitation problems Anaerobic fermentation is a natural and unavoidable How much biogas can be produced from excreta and biomass? process How safe is the process and its sludge?? Learning objectives:to know about the fundamental processes in biogas production Jam-Olof Drangert,Linkoping university.SwedenBiogas – a way to solve sanitation problems Learning objectives: to know about the fundamental processes in biogas production Anaerobic fermentation is a natural and unavoidable process Jam-Olof Drangert, Linköping university, Sweden