Process for the preparation of an olefin

Details Process for the preparation of an olefin Process for the preparation of an olefin

C - Chemistry, Metallurgy

07

C

C07C 1/20 (2006.01) C07C 4/06 (2006.01) C07C 11/04 (2006.01) C07C 11/06 (2006.01)

Patent

CA 2650671

Process for the preparation of ethylene and/or propylene comprising reacting an oxygenate feed and an olefinic co-feed in a reactor in the presence of a zeolite catalyst to prepare an olefinic reaction mixture; wherein the olefinic co-feed is partially obtained from an olefinic refinery stream and partially obtained from a olefinic recycle stream.

L'invention concerne un procédé de préparation d'éthylène et/ou de propylène, qui consiste à faire réagir une charge de composés oxygénés et une co-charge oléfinique dans un réacteur en présence d'un catalyseur zéolitique, afin de préparer un mélange réactif oléfinique, la co-charge oléfinique étant obtenue en partie à partir d'un flux de raffinerie oléfinique et en partie à partir d'un flux de recyclage oléfinique.

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