Method and device for producing a hydrogen or synthesis gas and use thereof

摘要

The invention relates to a method and to a device for producing a carbon dioxide low, hydrogen-rich gas or a conditioned synthesis gas from carbonaceous feedstock by pyrolysis and/or steam reforming reaction. According to the invention, the pyrolysis and/or the steam reforming reaction of the carbonaceous feedstock is carried out in the presence of an exothermic CO>2<-binding absorbing material in such a manner that any carbon dioxide produced is completely or partially in a controlled manner separated from the product gas produced, thereby providing it in the form of a carbon dioxide low, hydrogen-rich gas or a conditioned synthesis gas. In a second process step, the absorbing material is periodically regenerated by a thermal desorption reaction while releasing CO>2<. The invention also relates to the use of the method and device for the stationary or mobile production of a hydrogen gas for stationary and mobile fuel cell systems or of a conditioned synthesis gas for example for the methanol synthesis.