Catalyst and method for preparing the same

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PROBLEM TO BE SOLVED : To provide a shift catalyst capable of improving CO conversion rate of a noble metal shift catalyst. SOLUTION : The catalyst used for a shift reaction that produces hydrogen and carbon dioxide from water and carbon monoxide is composed of : a carrier comprising a porous oxide; and a catalytic active component comprising noble metal, rare earth metal oxide and molybdenum deposited on the surface of the carrier. A base having a honeycomb shape can be used and is coated with the carrier and, thereafter, the catalytic active component is deposited on the carrier, wherein a further improvement of the CO conversion rate can be provided. The catalyst prepared by depositing platina, cerium oxide and molybdenum as the catalytic active component on alumina carrier has extremely high CO conversion rate. COPYRIGHT : (C)2007, JPO&INPIT