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Abstract

Disclosed is an alkylation process which utilizes a catalyst containing hydrogen fluoride, and, optionally, a volatility reducing additive, as an alkylation catalyst. The process provides for the regeneration of an alkylation catalyst having ASO, and, optionally, a volatility reducing additive, therein by separating HF from the ASO and the optional volatility reducing additive components using an upwardly flowing gas containing an isoparaffin and/or an olefin. Where a volatility reducing additive is used, the ASO and volatility reducing additive are thereafter separated to provide a volatility reducing additive which is substantially free of ASO.

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First Claim