KIT tests Power-to-X on container scale
Ten liters of yield per day is not much – but the test facility at Karlsruhe Institute of Technology (KIT) is a special one: It combines all four necessary process steps to produce fuel from carbon dioxide, water, and green electricity.9 Sep 2019 David Schahinian
The researchers report that sector coupling would make it possible to store green electricity in the long term and that fuels with a high energy density could be used in a carbon dioxide-neutral way. They have now taken a first step toward storing previously unused green electricity in energy sources, in collaboration with project partners. The chemical process steps for coupled operation were combined in a compact plant. First, the plant extracts carbon dioxide from the ambient air. The carbon dioxide and water vapor are then electrolytically split. Long-chain hydrocarbon molecules are then formed from the synthesis gas, before the quality of the fuel is finally optimized. The next step is to develop a plant capable of producing 200 liters of the mixture per day.
The research is part of the German federal government’s Kopernikus project , which aims to investigate central questions relating to energy system transformation. In addition to the focus on Power-to-X, which deals with the conversion of electricity from renewable sources into energy storage systems, energy carriers, and chemical products, new energy grid structures are also being investigated.
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