Use of coated catalysts in the preparation of maleic anhydride

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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252437, 252461, 252467, 252469, 252477R, C07D30760

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040975010

ABSTRACT:
Very desirable temperature control and selectivity are obtained in the oxidation of benzene to maleic anhydride using an oxidation catalyst of an essentially inert support of at least 20 microns containing on its outer surface a coating of a catalytically active oxide material or a catalytically active oxide material and an oxide support.

REFERENCES:
patent: 2954385 (1960-09-01), Burney et al.
patent: 3464930 (1969-09-01), Friedrichsen et al.

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