CATALYST FOR CONJUGATED DIOLEFIN PRODUCTION AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Mar 2, 2016
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Mar 3, 2015
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Provided are a catalyst that may suppress the production of a coke-like substance in a reaction for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen. A composite metal oxide catalyst for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen by a catalytic oxidative dehydrogenation reaction, the composite metal oxide catalyst having a relative intensity range of X-ray diffraction peaks represented by the following Formula (A): 0≦Rh(=Ph1/Ph2)<0.8 (A) wherein Ph1 represents the maximum peak height within the range of 2θ=28.1°±0.2° for the X-ray diffraction peaks; Ph2 represents the maximum peak height within the range of 2θ=27.9°±0.2° for the X-ray diffraction peaks; and Rh represents the relative intensity ratio of Ph1 with respect to Ph2.
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