Method for preparing an oxidation catalyst

Details Method for preparing an oxidation catalyst Method for preparing an oxidation catalyst

B - Operations, Transporting

01

J

252/98

B01J 31/02 (2006.01) B01J 23/22 (2006.01) B01J 27/14 (2006.01) B01J 27/198 (2006.01) C07C 51/215 (2006.01) C07D 307/60 (2006.01)

Patent

CA 1069875

ABSTRACT OF THE DISCLOSURE The present invention teaches a dispersion which comprises a dispersoid which comprises a finely di- vided phosphorus-vanadium-oxygen precursor having a phosphorus to vanadium atom ratio of between about 0.9:1 and about 2:1 wherein a substantial amount of the vanadium is tetravalent vanadium, a liquid chemically inert with the dispersoid and at least about 0.01 weight percent of a surfactant selected from the group consisting of anionic, nonionic, zwitterionic, and ampholytic compounds and mixtures thereof. The use of a surfactant results in the phosphorus-vanadium-oxygen catalyst precursor being finely divided with the resulting catalyst exhibiting improved results in yield of the product.

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