CATALYST COMPOSITION FOR SELECTIVE CATALYTIC REDUCTION OF EXHAUST GAS

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PROBLEM TO BE SOLVED : To provide a vanadium catalyst composition for selective catalytic reduction of exhaust gas, having high heat resistance and high NOx conversion activity. SOLUTION : The catalyst composition is represented by general formula XVO4/S, wherein XVO4 represents a transition metal vanadate or a mixture of a transition metal vanadate and a rare earth vanadate, and S is a carrier having TiO2. COPYRIGHT : (C)2015, JPO&INPIT