Regeneration of HF-based alkylation catalyst

Details Regeneration of HF-based alkylation catalyst Regeneration of HF-based alkylation catalyst

1993-08-23

1995-01-31

Asok, Pal

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585310, 585739, 585740, 585752, 585809, C07C 262, C07C 710

Patent

active

053860764

ABSTRACT:
The present invention provides 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, which method provides a sulfolane recycle stream which requires no further drying before charging the stream to the alkylation reaction zone.

REFERENCES:
patent: 5191150 (1973-03-01), Child et al.
patent: 5262579 (1993-11-01), Child et al.
patent: 5264647 (1993-11-01), Eastman et al.
patent: 5264649 (1993-11-01), Eastman et al.
patent: 5264650 (1993-11-01), Better et al.
patent: 5264651 (1993-11-01), Better et al.
patent: 5264652 (1993-11-01), Child et al.

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