Preparation of maleic anhydride using coated catalysts containin

Details Preparation of maleic anhydride using coated catalysts containin Preparation of maleic anhydride using coated catalysts containin

1981-06-08

1982-06-22

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549260, C07D30760

Patent

active

043361986

ABSTRACT:
Catalysts particularly effective in the oxidation of n-butane, n-butenes, 1,3 butadiene and mixtures thereof with molecular oxygen or an oxygen-containing gas in the vapor phase to produce maleic anhydride are provided which comprise an essentially inert, at least partially porous support to which is adhered on its outer surface, catalytically active mixed oxides of vanadium and phosphorus or of vanadium, phosphorus and uranium in an amount greater than 50% to about 80% by weight of the combined support and active oxide.

REFERENCES:
patent: 4077912 (1978-03-01), Dolhyj et al.
patent: 4097501 (1978-06-01), Dolhyj et al.

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