Alkylation/transalkylation in presence of crystalline...

Details Alkylation/transalkylation in presence of crystalline... Alkylation/transalkylation in presence of crystalline...

C - Chemistry, Metallurgy

07

C

260/684, 260/686

C07C 2/00 (2006.01)

Patent

CA 1062731

ABSTRACT A process is described for alkylation and trans- alkylation of aromatic hydrocarbons, including aromatic hydrocarbons containing a non-polar substituent, e.g., benzene, toluene and xylene, by contacting sane with an alkylating agent, e.g. methanol, an olefin or an aromatic hydrocarbon containing a non-polar substituent, In a reaction zone maintained under alkylation and trans- alkylation effective conditions and in the presence of catalyst of the ZSM-21 family e.g. ZSM-35 and ZSM-38. In this process the ZSM-21 family of catalysts has an exceptionally high degree of thermal stability and a long useful life without deactivation.

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