Removal of ASO from HF/sulfolane alkylation catalyst

Details Removal of ASO from HF/sulfolane alkylation catalyst Removal of ASO from HF/sulfolane alkylation catalyst

1994-07-15

1995-10-24

Pal, Asok

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585719, 585723, 585724, 585730, C07C 262, C07C 710

Patent

active

054611830

ABSTRACT:
A method for separating conjunct polymers which are formed as byproducts of acid catalyzed isoparaffin-olefin alkylation and sulfolane from a mixture containing conjunct polymers, sulfolane, and hydrofluoric acid comprising stripping HF from the spent catalyst, treating the stripped, spent catalyst with hydrogen to provide a stripped hydrotreated catalyst stream, and gravitationally separating the stripped hydrotreated catalyst stream to remove conjunct polymeric byproducts.

REFERENCES:
patent: 5262579 (1993-11-01), Child et al.
patent: 5347068 (1994-09-01), Eastman et al.
patent: 5382746 (1995-01-01), Child et al.
patent: 5386076 (1995-01-01), Child et al.

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