Integrated fractionation in the recovery of alkylaromatic...

Details Integrated fractionation in the recovery of alkylaromatic... Integrated fractionation in the recovery of alkylaromatic...

C - Chemistry, Metallurgy

07

C

202/83

C07C 7/04 (2006.01)

Patent

CA 1226552

"INTEGRATED FRACTIONATION IN THE RECOVERY OF ALKYLAROMATIC HYDROCARBONS" ABSTRACT A method is disclosed for fractionating a hydrocarbon con- version zone effluent stream comprising at least three components which are to be isolated into separate streams. A two-column system for fractionating the effluent of a benzene alkylation zone is employed. The overhead vapor of a downstream second column is condensed in a side reboiler of a preceding recycle column. This side reboiler is located between the feed point to the recycle column and a separate reboiler located at the bottom of the recycle column. The utilities cost of performing the fractionation is reduced.

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