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

1982-04-29

1983-07-12

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

043929435

ABSTRACT:
In a process for the catalytic treatment of hydrocarbon charges in the presence of hydrogen in a vertical reactor where the catalyst is introduced at the top and withdrawn at the bottom, countercurrently with the charge which is introduced at the bottom and discharged from the top. There is provided a flared funnel for the catalyst discharge having small perforations for the upward flow of the charge with the perforations of a size sufficiently small to prevent passage of the catalyst therethrough. These perforations are in association with injection tubes having orifices opening in the vicinity of the funnel wall, wherethrough at least a portion of the fluid charge is injected.

REFERENCES:
patent: 2490828 (1949-12-01), Newton
patent: 2897138 (1959-07-01), Ardern
patent: 3370361 (1968-02-01), Guerrieri
patent: 3679563 (1972-07-01), Pollock

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