Abstract
Hydrogasification is the conversion of coal with hydrogen to methane. Because coal and water only are primarily available for gasification purposes, the hydrogen required for methane production has to be produced by the gasification process. This requires heat at a high temperature level which can be supplied by a high temperature reactor as nuclear process heat. In this paper two process variants are described for hydrogasification of lignite with nuclear process heat. The design data of a draft for commercial-scale plants are given. Also, the pilot plant of Rheinische Braunkohlenwerke AG for hydrogasification of coal in the fluidized bed is described.
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