Steam reforming

Details Steam reforming Steam reforming

1988-05-23

1991-08-13

Langel, Wayne A.

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

252373, 252376, 423653, 423654, C01B 326

Patent

active

050395106

ABSTRACT:
The endothermic reaction of a hydrocarbon feedstock with steam and/or carbon dioxide is carried out using a double-tube reactor. In one preferred form of the reactor the catalyst is present as a coating on the outside of the inner tube. In another form inner tubes are mounted in one tube-plate and the outer tubes in a second tube plate and the tube plates are disposed across a cylindrical shell so as to define a heat exchange zone (provided with a heat source) a reactants feed zone and a products offtake zone. The heat source is preferably a burner, to be fed with the product of the endothermic reaction, followed by a secondary reforming catalyst. The apparatus makes possible processes for making raw hydrogen-containing gases with advantageous internal heat recovery.

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