Catalytic system and its application to the oxydehydrogenation of saturated carboxylic acids and the oxidation of aldehydes to acids
AssigneeElf Atochem S.A.
InventorsEmmanuel Cadot, Franck Daubrege, Gilbert Herve, Andre Teze
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Abstract
A catalytic system based on oxygen, vanadium, phosphorus, and molybdenum corresponding to the formula H.sub.m X.sub.n Me.sub.p PMo.sub.12-x V.sub.x O.sub.40, wherein X represents the VO.sup.2+ cation with 0<n.ltoreq.2, H represents protons with 0.ltoreq.m<4, 0.ltoreq.x.ltoreq.3, Me is a metal ion, especially an ion of a transition metal, with 0.ltoreq.p.ltoreq.t, t depending on the charge of the corresponding ion, is useful for the oxydehydrogenation of saturated carboxylic acids to .alpha.,.beta.-unsaturated acids and for oxidizing aldehydes to acids.
Claims30
A catalytic system based on oxygen, vanadium, phosphorus and molybdenum, of the formula:
- H.sub.m X.sub.n Me.sub.p PMO.sub.12-x V.sub.x O.sub.40
- wherein
- X represents a VO.sup.2+ cation with 0<n.ltoreq.2,
- H represents protons with 0.ltoreq.m<4, 0.ltoreq.x.ltoreq.3,
- Me is a metal ion, with 0.ltoreq.p<t, t depending on the charge of the corresponding ion.
Dependencies are inferred from the claim text.