Phosphorus-vanadium-oxygen catalyst precursors and catalysts

Details Phosphorus-vanadium-oxygen catalyst precursors and catalysts Phosphorus-vanadium-oxygen catalyst precursors and catalysts

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B01J 27/18 (2006.01) B01J 27/198 (2006.01) C07C 51/215 (2006.01)

Patent

CA 1148527

C23-54-0077A PHOSPHORUS-VANADIUM-OXYGEN CATALYST PRECURSORS AND CATALYSTS ABSTRACT OF THE DISCLOSURE Heat treatment of phosphorus-vanadium-oxygen catalyst precursors at temperatures between about 150° C. and about 300° C. for a period of about 1 hour to about 6 hours prior to being subjected to calcination conditions yields catalyst precursors having increased crush strength and attrition resistance. The catalyst precursors, upon calcination, are converted to phosphorus-vanadium-oxygen catalysts which are useful for the conversion of non- aromatic hydrocarbons, particularly n-butane, to maleic anhydride.

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