摘要 |
The present disclosures and inventions relate to composite catalyst compositions for the catalytic oxidation of hydrocarbons such as propane with an oxygen containing stream, in the presence of a composite catalyst comprising CA that comprises at least components a metal M, a support S, and an optional alkali metal A, and also CB that comprises one or more mixed metal oxide phases comprising metals in the relative molar ratios indicated by the formula MoaVbGacPddNbeXf, to produce α,β-unsaturated carboxylic acids such as acrylic acid and/or olefins such as propylene. |
主权项 |
1. A composite catalyst composition comprising CA and CB,
a) wherein CA comprises at least components M and S, and optionally A,
i) wherein M is at least one metal comprising B, La, Mn, Sb, Ti, Zr, Fe, Cs, Au, or Ce, or a mixture thereof;ii) wherein S is a support material, andiii) wherein A is an alkaline comprising Na, K, Mg, or Ca, or a mixture thereof; and b) wherein CB comprises one or more mixed metal oxide phases comprising metals in the relative molar ratios indicated by the formula MoaVbGacPddNbeXf,
i) wherein a is 1,ii) wherein b is from 0.01 to 0.9,iii) wherein c is greater than 0 to 0.2,iv) wherein d is from 0.0000001 to 0.2,v) wherein e is greater than 0 to 0.2,vi) wherein X comprises La, Te, Ge, Zn, Si, In, or W, or a mixture thereof, andvii) wherein f is greater than 0 to 0.5, and c) wherein CA is present in an amount of 1% by weight to 99% by weight and CB is present in an amount of 99% by weight to 1% by weight. |