Method of preparing phthalic anhydride

Details Method of preparing phthalic anhydride Method of preparing phthalic anhydride

1977-07-20

1978-10-10

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603467, C07D30789

Patent

active

041196457

ABSTRACT:
A method for preparing phthalic anhydride by oxidation of o-xylene with air in which the reaction is self-sufficient in terms of energy and involves only low investment costs while providing a pure product in high yield in which the oxidation reaction is carried out in short tubes for minimum pressure drop over the reactor.

REFERENCES:
patent: 2512283 (1950-06-01), Marotta et al.
patent: 3248453 (1966-04-01), Beyrard
patent: 3535345 (1970-10-01), Egbert
patent: 3816344 (1974-06-01), Shimizu et al.
Process Technology, Reprint from Chemical Engineering, Mar. 4, 1974.

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