Production of maleic anhydride

Details Production of maleic anhydride Production of maleic anhydride

1979-01-25

1980-09-16

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603464, 252437, C07D30760

Patent

active

042229456

ABSTRACT:
Hydrocarbons, particularly n-butane, are oxidized to acid anhydrides, especially maleic anhydride, by contacting them at concentrations above the flammable limit with oxygen in the presence of a vanadium/phosphorus mixed oxide catalyst having a surface area of at least 10 m.sup.2 /g. The oxygen concentration is greater than 13 molar percent and/or the concentration of inert gas is less than 70 molar percent.

REFERENCES:
patent: 3292268 (1966-12-01), Bergman
patent: 3849448 (1974-11-01), Crampton et al.
patent: 3899516 (1975-08-01), Dickason
patent: 4017521 (1977-04-01), Schneider
patent: 4085122 (1978-04-01), Stefani et al.

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