Scholz, Marco; Melin, Thomas; Wessling, Matthias - In: Renewable and Sustainable Energy Reviews 17 (2013) C, pp. 199-212
Upgrading biogas, i.e., the removal of CO2 from CH4 is an attractive regenerative energy as it is supplied continuously. Conventional upgrading techniques such as absorption or adsorption require significant amounts of energy and require equipment of large size. Hence, we give an overview on gas...