Patent ID: 7981372

Claim:
An oxidative autothermal reformer comprising a reforming layer at least partially filled with a reforming catalyst for producing a reformed gas composed mainly of hydrogen through a reforming reaction by contacting a mixture of a hydrocarbon or an aliphatic alcohol and steam with the reforming catalyst; and an oxidative exothermic layer at least partially filled with an oxidation catalyst for generating heat by oxidizing a part of the reformed gas, in which the reforming layer is disposed at an upstream side of the oxidative exothermic layer; the reforming layer and the oxidative exothermic layer are in the form of a cylinder and have a triple circular tube structure formed by disposing an inner reforming layer, the oxidative exothermic layer and an outer reforming layer from the inside in a radial direction in this order; at least a part of the reforming catalyst filled in the inner reforming layer and the outer reforming layer contains Ru metal; the oxidative exothermic layer is filled with a mixture of the oxidation catalyst and the reforming catalyst; and the reforming catalyst in the mixture filled in the oxidative exothermic layer contains Ni metal and/or Rh metal.