Alkylation catalyst regeneration

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 315/06 (2006.01) B01J 27/32 (2006.01) B01J 31/40 (2006.01) C07C 2/22 (2006.01) C07D 333/48 (2006.01)

Patent

CA 2100145

Described is a novel process for regenerating an ASO contaminated alkylation catalyst which contains a sulfone component and a hydrogen halide component. The alkylation catalyst undergoes a series of separation steps to remove a significant portion of the hydrogen halide component contained therein followed by a phase separation between an ASO phase and a sulfone phase. The sulfone phase is then contacted with a carbon material to remove a portion of any remaining ASO contained in the sulfone.

Divulgation d'un nouveau procédé pour la régénération d'un catalyseur d'alkylation contaminé par des huiles solubles dans l'acide (HSA), comprenant un composé sulfoné et un halogénure d'hydrogène. Le catalyseur d'alkylation est soumis à une série d'étapes de séparation afin d'éliminer une grande partie de l'halogénure d'hydrogène qu'il contient, puis à une phase de séparation entre la phase HSA et une phase sulfonée. La phase sulfonée est ensuite mise en contact avec une matière carbonée, pour éliminer une partie des HSA qu'elle contient.

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