Removal of deactivating dust particles from fixed bed catalysts

Details Removal of deactivating dust particles from fixed bed catalysts Removal of deactivating dust particles from fixed bed catalysts

1974-07-29

1976-08-24

Jibes, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23288B, 55 96, 252410, 252411R, 423659, C07D30789

Patent

active

039766667

ABSTRACT:
The method and apparatus for the oxidation of naphthalene to phthalic anhydride in multi-tube reactors having fixed bed catalysts therein are improved by removing deposits from the catalysts. These deposits are removed by impulsively decompressing the reactor in the direction of the inlet of the multi-tube reactor.

REFERENCES:
patent: 1936154 (1933-11-01), Carter
patent: 3410055 (1968-11-01), Zenz
Sherwood, The Industrial Chemist, Oct. 1959, p. 492-495.

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