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A New Concept for Generating Syngas
The Division of Chemical-Physical Processing in the Institute for Technical Chemistry at Forschungszentrum Karlsruhe has developed a new concept for a two-step gasification process that takes into account the special properties of straw and other dry, non-woody biomass. The particles are first liquefied by fast pyrolysis in a number of small regional plants. By suspending the smaller amount of pulverised char a pumpable slurry is prepared that is easily stored and transported to a large central pressurised entrained flow gasifier. The resulting tar-free syngas is converted to methanol, diesel or other chemicals. The unconverted syngas is combusted for electricity generation. Only a co-production of synfuel and electrical power ensures an efficient and economic use of chemical energy plus a sensible heat. This project is part of the “RENEW” programme.