C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 5/35 (2006.01) C07C 45/28 (2006.01)
Patent
CA 2230870
The present invention relates to the use of a solid composition of mixed oxides of the formula (I): Mo12WaBibFecCodNieSifKgSnhOx (I) wherein 0~a~5; 0.5~b~5; 0.1~c~10; 0.5~d~10; 0~e~10; 0~f~15; 0~g~1; 0~h~2; and x is the quantity of oxygen bonded to the elements Mo, W, Bi, Fe, Co, Ni, Si, K and Sn, and depends on their oxidation states, in the production of acrolein by oxidation of the propylene. The use of such a solid composition makes it possible to increase the selectivity for acrolein.
La présente invention porte sur l'utilisation d'une composition solide d'oxydes mixtes de formule (I): Mo12WaBibFecCodNieSifKgSnhOx (I) dans laquelle 0~a~5; 0,5~b~5; 0,1~c~10; 0,5~d~10; 0~e~10; 0~f~15; 0~g~1; 0~h~2; et x est la quantité d'oxygène lié aux éléments Mo, W, Bi, Fe, Co, Ni, Si, K et Sn, et dépend de leurs états d'oxydation, dans la fabrication de l'acroléine par oxydation du propylène. L'utilisation d'une telle composition solide permet d'augmenter la sélectivité en acroléine.
Descat Gilles
Etienne Eric
Hecquet Gerard
Schirmann Jean-Pierre
Simon Michel
Elf Atochem
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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