Fractionation of the products of fluid catalytic cracking

Details Fractionation of the products of fluid catalytic cracking Fractionation of the products of fluid catalytic cracking

C - Chemistry, Metallurgy

10

G

C10G 7/00 (2006.01) C10G 47/30 (2006.01)

Patent

CA 2041091

ABSTRACT In apparatus for fractionation of a superheated vapor from a riser cracking FCC reactor (4), the vapor is charged via transfer line (11) to the upper section (230) of a two-part fractionation column (130, 230). In the upper section (230), the superheated vapor contacts and vaporises a liquid fraction recycled from the lower section (130) of the column. The resultant vaporized liquid is discharged as a vapor fraction to the base of the lower section (130), where it is then fractionated to provide the required liquid hydrocarbon fractions.

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