High-Purity Hydrogen Obtained Directly From Biogas for First Time
Green hydrogen is seen as a beacon of hope for the energy and mobility transition, but it is not yet suitable for the masses. There are mutliple reasons for this. Hydrogen is currently mainly produced centrally from fossil raw materials. It then has to be compressed or liquefied in an expensive and energy-intensive process in order to be delivered to petrol stations, for example. There, an expensive infrastructure with high investment costs is required to store large amounts of hydrogen. For a nationwide hydrogen supply, decentralized production will therefore be indispensable in the future, ideally climate-neutral from locally available renewable energy sources. In 2020, researchers at the Graz University of Technology (TU Graz) led by process engineer Viktor Hacker and the Graz start-up Rouge H2 Engineering presented a sustainable process for decentralized hydrogen production, the so-called "chemical looping hydrogen method". The research results, which have re