Hydrocarbon synthesis reactor employing vertical downcomer...

Details Hydrocarbon synthesis reactor employing vertical downcomer... Hydrocarbon synthesis reactor employing vertical downcomer...

B - Operations, Transporting

01

J

B01J 8/08 (2006.01) B01J 8/22 (2006.01) C07C 1/04 (2006.01) C10G 2/00 (2006.01)

Patent

CA 2150800

The operation of a hydrocarbon synthesis reactor (2) and catalyst distributed in the reaction slurry (3) therein are improved by the presence in said reactor of one or more vertical downcomers (6) open at both ends with gas disengaging arms located at their top end (7). The downcomer (6) which circulates catalyst from the top of the reaction slurry to the bottom of said slurry is fully immersed in the reaction slurry (3) and preferably extends from just above the bottom of the reaction zone of the reaction vessel to just below the top surface of the reaction slurry. The bottom end of said dowacomer is shielded from intrusion of rising synthesis gas by the placement of a baffle (9) which blocks rising gas entry but facilitates the exit of catalyst and liquid from the bottom of said downcomer and distributes them radially throughout the adjacent reactor slurry.

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