Phosphorus/vanadium catalyst preparation

Details Phosphorus/vanadium catalyst preparation Phosphorus/vanadium catalyst preparation

B - Operations, Transporting

01

J

252/98, 252/99

B01J 27/14 (2006.01) B01J 27/186 (2006.01) B01J 27/187 (2006.01) B01J 27/198 (2006.01) B01J 27/199 (2006.01) B01J 37/00 (2006.01)

Patent

CA 2299463

The invention provides an improved method for the production of vanadium/phosphorus mixed oxide catalysts, using an organic solvent system and an additive such as dimethyl sulfoxide, the catalyst having special utility in the production of maleic anhydride.

Cette invention se rapporte à un procédé perfectionné de préparation de catalyseurs à base d'oxydes mélangés de phosphore et de vanadium, au moyen d'un système de solvants organiques et d'un additif tel que le sulfoxyde de diméthyle. Les catalyseurs ainsi préparés s'avèrent particulièrement utiles à la production d'anhydride maléïque.

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