Process for isomerizing alkyl aromatic hydrocarbons

Details Process for isomerizing alkyl aromatic hydrocarbons Process for isomerizing alkyl aromatic hydrocarbons

C - Chemistry, Metallurgy

07

C

260/689.5

C07C 15/08 (2006.01) B01J 29/44 (2006.01) B01J 29/70 (2006.01) B01J 29/74 (2006.01) C07C 5/27 (2006.01)

Patent

CA 1238054

PROCESS FOR ISOMERIZING ALKYL AROMATIC HYDROCARBONS ABSTRACT Ethylbenzene is isomerized selectively to produce para xylene by passing ethylbenzene and hydrogen under isomerizing conditions over a catalyst comprising ZSM-22 or ZSM-23 zeolite and a hydrogenation/ dehydrogenation metal, wherein the hydrogenation/dehydrogenation metal is incorporated in the catalyst after any steaming of the zeolite.

471182

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