Preparation of fluid bed catalysts containing the mixed...

Details Preparation of fluid bed catalysts containing the mixed... Preparation of fluid bed catalysts containing the mixed...

C - Chemistry, Metallurgy

07

D

252/98, 260/365.

C07D 307/60 (2006.01) B01J 23/22 (2006.01) B01J 27/198 (2006.01) C07C 51/215 (2006.01)

Patent

CA 1172235

(5246) ABSTRACT A process is provided for the preparation of fluid bed oxidation catalysts containing the mixed oxides of vanadium and phosphorus, comprising the steps of preparing the catalyst precursor, comminuting the precursor, introducing the precursor into water to form an aqueous slurry and spray drying the slurry. The resulting microspheroidal particles are excellent fluid, bed catalysts for the preparation of maleic anhydride from 4-carbon atom hydrocarbons. 23.

388839

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