ETAMAX

Objective of the project was to obtain maximum energy generation by completely converting easily digestible, wet biomass into biogas using an adapted high-load digestion process and closing all material cycles at the same time. Purified bio methane was used as a fuel to power CNG (Compressed Natural Gas) vehicles. Liquid, nutrient-rich digestates accruing during digestion were used to cultivate microalgae, since the residues contain a sufficient quantity of inorganic nutrients required for the growth of algae.

Keywords: Anaerobic digestion, biogas as fuel, microalgae

Project by Fraunhofer IGB