Catalyst for CO shift reaction and preparation method thereof

The invention relates to the field of catalysts, and discloses a catalyst for CO shift reaction and a preparation method thereof.The catalyst comprises an aluminum silicate zeolite molecular sieve and active metal oxides loaded in the aluminum silicate zeolite molecular sieve, and the active metal oxides comprise Fe2O3, Cr2O3 and CuO; the catalyst is prepared from the following components in parts by weight: 80 to 90 parts of Fe2O3, 8 to 10 parts of Cr2O3, 1 to 3 parts of CuO and 5 to 12 parts of aluminum silicate zeolite molecular sieve. The preparation method comprises the following steps: preparing a metal salt solution from iron salt, chromium salt, copper salt and deionized water, and uniformly mixing the aluminum silicate zeolite molecular sieve with the metal salt solution; and then drying and roasting, and carrying out tabletting and forming to prepare uniform cylindrical particles, thereby obtaining the active metal oxide-loaded catalyst for the CO conversion reaction. The catalyst is high in activit