Attrition resistant catalysts

Details Attrition resistant catalysts Attrition resistant catalysts

B - Operations, Transporting

01

J

260/521, 252/1.B

B01J 35/10 (2006.01) B01J 23/34 (2006.01) B01J 37/02 (2006.01) C07C 51/235 (2006.01) C07C 51/25 (2006.01)

Patent

CA 1137959

ABSTRACT Catalysts having improved attrition resistance are produced by incorporating a substantially uniform appearing coating of completely calcined, catalytically active oxide material onto an inert porous support containing sorbed aqueous silica sol. Such catalysts are useful in the gas phase oxidation of unsaturated aldehydes to unsaturated acids, especially acrolein to acrylic acid.

352557

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