Production of maleic acid and anhydride

Details Production of maleic acid and anhydride Production of maleic acid and anhydride

1980-04-08

1982-03-02

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30760

Patent

active

043177778

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 concentration of inert gas is more than 70 molar percent and the oxygen concentration is greater than 13 molar percent.

REFERENCES:
patent: 3862146 (1975-01-01), Boghosian
patent: 4017521 (1977-04-01), Schneider
patent: 4222945 (1980-09-01), Higgins et al.

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