Reduced gas holdup in catalytic reactor

Details Reduced gas holdup in catalytic reactor Reduced gas holdup in catalytic reactor

C - Chemistry, Metallurgy

10

G

196/130, 23/399

C10G 45/00 (2006.01) B01J 8/02 (2006.01) B01J 8/22 (2006.01) C10G 45/16 (2006.01) C10G 47/00 (2006.01)

Patent

CA 2040995

ABSTRACT OF THE DISCLOSURE A resid refining reactor has an ebullated catalyst bed. Hydrogen gas is released into the catalyst bed at a point which is far enough above a distributor plate at the bottom of the catalyst bed to form a gas updraft in a committed zone through the bed. This committed updraft causes a reduction in gas holdup which increases the residence time of a liquid phase in the catalyst bed.

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