Enhanced production of ethylene from higher hydrocarbons

Details Enhanced production of ethylene from higher hydrocarbons Enhanced production of ethylene from higher hydrocarbons

C - Chemistry, Metallurgy

07

C

260/708, 260/708

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

Patent

CA 2024903

The present invention provides a process for the preparation of ethylene from C4 or higher feed by a combination of cracking and metathesis wherein higher hydrocarbon is cracked to form ethylene and propylene and at least a portion of the propylene is metathesized to ethylene.

La présente invention décrit un procédé pour la préparation d'éthylène, à partir d'hydrocarbures en C4 ou plus, par une combinaison de réactions de craquage et de métathèse pendant lesquelles des hydrocarbures à chaîne longue sont craqués de façon à produire de l'éthylène et du propylène, et pendant lesquelles au moins une portion du propylène est transformé en éthylène par métathèse.

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