Solvent conditioning of phosphorus-vanadium-oxygen catalysts

Details Solvent conditioning of phosphorus-vanadium-oxygen catalysts Solvent conditioning of phosphorus-vanadium-oxygen catalysts

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B01J 27/14 (2006.01) B01J 27/198 (2006.01) C07C 51/215 (2006.01) C07C 51/25 (2006.01)

Patent

CA 1159811

C-23-54-0109 SOLVENT CONDITIONING OF PHOSPHORUS-VANADIUM- OXYGEN CATALYSTS ABSTRACT OF THE DISCLOSURE In the preparation of phosphorus-vanadium- oxygen catalyst, where vanadium and phosphorus are contacted under conditions to provide a catalyst precursor with vanadium in the tetravalent state, and the precursor is formed into agglomerations and subsequently calcined at high temperatures, the improvement which comprises contacting the catalyst precursor with a non-aqueous solvent in an amount sufficient to enhance crush strength.

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