Olefin purification process

Details Olefin purification process Olefin purification process

C - Chemistry, Metallurgy

07

C

C07C 7/177 (2006.01) C07C 5/03 (2006.01) C07C 9/00 (2006.01) C07C 9/22 (2006.01) C07C 11/02 (2006.01)

Patent

CA 2062158

Vinylidene olefin is removed from an olefin mixture containing 1 to 55 mole percent vinylidene olefin, 0 to 10 mole percent internal olefin, and the balance vinyl olefin, by: (A) reacting the olefin mixture in the presence of a BF3-water and/or active proton-containing organic promoter catalyst system so as to selectively dimerize said vinylidene olefin, and (B) separating said vinyl olefin and internal olefin from the dimerized vinylidene olefin to produce an olefin product having a reduced vinylidene olefin content compared to said olefin mixture.

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