Process for the production of maleic anhydride

Details Process for the production of maleic anhydride Process for the production of maleic anhydride

C - Chemistry, Metallurgy

07

D

260/365.7

C07D 307/60 (2006.01) C07C 51/215 (2006.01)

Patent

CA 1339534

Maleic anhydride is produced by the catalytic vapor phase partial oxidation of a nonaromatic hydrocarbon having at least four carbon atoms in a straight chain with molecular oxygen or a molecular oxygen-containing gas in the presence of phosphorus-vanadium mixed oxide oxidation catalyst. The catalyst is diluted with an inert solid material in an amount sufficient to form a catalyst-inert solid material composition effective to stabilize the maleic anhydride yield such that the average yield decay is less than 0.30% of the established initial maleic anhydride yield per month over an extended period of sustained operations.

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