Process and device for withdrawing solid particles and introduci

Details Process and device for withdrawing solid particles and introduci Process and device for withdrawing solid particles and introduci

1983-02-02

1984-04-24

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208166, 208171, 422143, 422311, 34 57A, C10B 3102, C10B 3112

Patent

active

044446535

ABSTRACT:
Catalysts solid particles are supplied to a vertical reactor for the catalytic treatment of fluid charges, at the upper part of said reactor and are progressively withdrawn from the lower part thereof either continuously or periodically through a funnel having the shape of an inverted cone or an inverted pyramid. At least a portion of the charge is introduced at the lower part of the reactor through orifices above the walls of the funnel at a distance thereof from 1 to 500 times the average size of a catalyst particle.

REFERENCES:
patent: 2490828 (1949-12-01), Newton
patent: 2897138 (1959-07-01), Aroern
patent: 3370361 (1968-02-01), Guerrieri
patent: 3679563 (1972-07-01), Pollock
patent: 4392943 (1983-07-01), Euzen et al.

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