Multistage alkylation process

Details Multistage alkylation process Multistage alkylation process

C - Chemistry, Metallurgy

07

C

C07C 15/02 (2006.01) C07C 2/62 (2006.01) C07C 2/70 (2006.01) C07C 9/14 (2006.01)

Patent

CA 2261168

In a multistage process, a relatively unreactive paraffinic substrate is alkylated in a primary stage while a more reactive aromatic substrate is alkylated in a secondary state wherein at least a portion of the effluent from the primary stage is used as a diluent in the secondary stage. The alkylation reaction in each stage is catalyzed by an acid catalyst which is adsorbed on a particulate solid support.

Procédé à niveaux multiples, dans lequel un substrat paraffinique relativement inerte est alkylé dans un premier niveau tandis qu'un substrat aromatique plus réactif est alkylé dans un niveau secondaire. Au moins une partie de l'effluent provenant du premier niveau est utilisé comme diluant dans le niveau secondaire. La réaction d'alkylation dans chaque niveau est catalysée par un catalyseur acide adsorbé sur un support solide particulaire.

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