| 摘要 |
A mixed metal oxide catalytic system comprises a catalyst having the formulaMOaVbAlcXdYeOzwherein: X is at least one element selected from the group consisting of W and Mn; Y is at least one element selected from the group consisting of Pd, Sb, Ca, P, Ga, Ge, Si, Mg, Nb, and K; a is 1; b is 0.01 to 0.9; c is 0<to 0.2; d is 0<to 0.5; z is an integer representing the number of oxygen atoms required to satisfy the valency of Mo, V, Al, X, and Y. A process for producing olefins and carboxylic acids using the catalytic system yields high selectivity of value added product such as olefins and carboxylic acids.
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