Catalyst and catalyst precursor containing vanadium and...

Details Catalyst and catalyst precursor containing vanadium and... Catalyst and catalyst precursor containing vanadium and...

B - Operations, Transporting

01

J

252/99

B01J 23/18 (2006.01) B01J 23/22 (2006.01) C07C 253/24 (2006.01)

Patent

CA 1330985

ABSTRACT Disclosed is a method of making a catalyst precursor by reacting the ion VO(O2)+ in aqueous solution with an antimony compound that contains Sb having a valence of 3. In one embodiment, the VO(O2)+ ion is made by reacting H2O2 with a vanadium compound. Also disclosed is making a catalyst by drying and calcining such precursor. When the drying is effected by spray drying a new microspheroidal catalyst is produced. The catalysts useful for ammoxidation of propane are more attrition resistant than catalysts of the same empirical formula made by prior art methods.

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