Butadiene removal system for ethylene plants with front end...

Details Butadiene removal system for ethylene plants with front end... Butadiene removal system for ethylene plants with front end...

C - Chemistry, Metallurgy

07

C

C07C 7/167 (2006.01) C07C 7/00 (2006.01) C07C 11/04 (2006.01) C07C 11/167 (2006.01) C10G 70/00 (2006.01) C10G 70/02 (2006.01) C10G 70/06 (2006.01)

Patent

CA 2217895

The present invention provides a process and systsem for the removal of butadiene from a cracked gas stream prior to entering a front end hydrogenation reactor in an olefin production facility, comprising the steps of contacting the cracked gas stream with an absorbent in an absorber tower to separate C2 components from C3 and heavier components, hydrogenating acetylenes in the C2 vapor phase stream in a front-end hydrogenation reactor, separating butadiene from the C3 and heavier components liquid phase stream and recovering butadiene.

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