An object of the present invention is to provide a fuel processor that can reduce reforming catalyst deterioration caused by thermal deformation of a structure. The fuel processor includes a reformer 8 that is fed with fuel gas 70 to refine hydrogen-rich r...

Process for operating an apparatus for producing hydrogen for operating fuel cells comprises supplying a defined quantity of process heat from a heat source (2) designed as a burner to a reformer (1) having downstream catalyst stages (3) for converting hyd...