Catalytic cracking system

Details Catalytic cracking system Catalytic cracking system

C - Chemistry, Metallurgy

10

G

C10G 11/18 (2006.01) B01J 8/00 (2006.01)

Patent

CA 2164703

Disclosed is a system for fluid catalytic cracking. The system includes a method and means for decreasing (45) and increasing (40) the slip velocity of a hydrocarbon reaction stream to further enhance catalytic cracking of the hydrocarbon within the reaction stream. The system also allows for control of residence time within both a riser (50) and a collection and velocity reducing means (15) to provide for more complete cracking of the hydrocarbon without leading to additional coking of the catalytic cracking catalyst.

On décrit un système de craquage catalytique pour des fluides. L'invention concerne un procédé et un moyen pour diminuer (45) et augmenter (40) la vitesse de glissement d'un flux d'hydrocarbures en cours de réaction, ce qui favorise le cracking catalytique des hydrocarbures dans le flux de réaction. La système permet un contrôle du temps de résidence dans un tuyau montant (50) et dans un moyen collecteur et de réduction de la vitesse (15) pour assurer un craquage plus complet des hydrocarbures sans produire de cokéfaction additionnelle du catalyseur de craquage catalytique.

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