Process for benzene alkylation and transalkylation of...

Details Process for benzene alkylation and transalkylation of... Process for benzene alkylation and transalkylation of...

C - Chemistry, Metallurgy

07

C

C07C 2/66 (2006.01) C07C 15/073 (2006.01)

Patent

CA 2589119

An aromatic alkylation process includes contacting an aromatic compound with an alkylating agent in the presence of a zeolite beta in a reaction zone under alkylation reaction conditions, wherein said zeolite beta is a high performance zeolite beta possessing a ratio of strong acid sites/weak acid sites greater than 1. The high performance zeolite beta is superior to conventional zeolite beta in the aromatics alkylation reaction, such as benzene alkylation with ethylene for ethylbenzene production, and benzene alkylation with propylene for cumene production.

Procédé d'alkylation d'aromatiques consistant à mettre en contact un composé aromatique avec un agent d'alkylation en présence d'un zéolite bêta dans une zone de réaction dans des conditions de réaction par alkylation, le zéolite bêta étant un zéolite bêta hautes performances possédant un rapport de sites acides forts/sites acides faibles supérieur à 1. Le zéolite bêta hautes performances est supérieur au zéolite bêta conventionnel dans les réactions par alkylation d'aromatiques, notamment l'alkylation de benzène avec éthylène pour la production d'éthylbenzène, et l'alkylation de benzène avec propylène pour la production de cumène.

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