Recovery of a useful polymerizable fraction

Details Recovery of a useful polymerizable fraction Recovery of a useful polymerizable fraction

C - Chemistry, Metallurgy

07

C

C07C 15/46 (2006.01) C07C 7/04 (2006.01) C07C 13/465 (2006.01) C10G 7/00 (2006.01) C10G 9/00 (2006.01) C10G 70/04 (2006.01)

Patent

CA 2151602

The invention concerns a method of obtaining, from the cracked gases emerging from a steam cracker, a polymerizable fraction of recyclable material consisting of styrene, methylstyrenes, vinyltoluenes, indene, methylindenes and fractions whose boiling points lie between those of styrene and the methylindenes, a secondary stream from the cracked-gas column being divided, by means of a distillation unit, into the fraction of recyclable material and into fractions which are fed back to the cracked gas column.

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