Alkylation catalyst regeneration utilizing polyvinylpyridine and

Details Alkylation catalyst regeneration utilizing polyvinylpyridine and Alkylation catalyst regeneration utilizing polyvinylpyridine and

1993-06-16

1994-04-26

Pal, Asok

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

502 12, 502 26, 585723, 585725, 585830, C07C 262

Patent

active

053068599

ABSTRACT:
Described is a novel process for regenerating an ASO contaminated alkylation catalyst containing a sulfone component and a hydrogen halide component. A sulfone-containing mixture containing ASO and which is derived by the removal of a major portion of the hydrogen halide component of the alkylation catalyst is contacted with a reversable base selected from the group consisting of polyvinyl pyridine, amine-substituted styrene divinyl benzene copolymer and mixtures thereof so as to remove at least a portion of the ASO component from the sulfone-containing mixture to thereby produce a treated sulfone-containing mixture. The treated sulfone-containing mixture can further be processed by contacting it with an absorbent material which can include carbon and alumina.

REFERENCES:
patent: 3795712 (1974-03-01), Turk
patent: 3975164 (1976-08-01), Brown, Jr.
patent: 4058575 (1977-11-01), Cahn et al.
patent: 4640831 (1987-02-01), DeVries
patent: 5191150 (1993-03-01), Child et al.

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