Recovery of BF.sub.3 from olefin oligomer process

Details Recovery of BF.sub.3 from olefin oligomer process Recovery of BF.sub.3 from olefin oligomer process

1988-10-17

1990-09-11

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585868, 203 12, C07C 208

Patent

active

049565133

ABSTRACT:
A process for recovering BF.sub.3 from a BF.sub.3 -promoter catalyzed .alpha.-olefin oligomerization process is disclosed wherein the oligomer reaction product is water washed to extract BF.sub.3 as its hydrate and any water soluble promoter and the water extract is distilled to remove components boiling below BF.sub.3 hydrate overhead leaving a residual product which is at least 50 weight percent BF.sub.3 in the form of BF.sub.3 hydrate.

REFERENCES:
patent: 2357926 (1944-09-01), Bannon
patent: 3763244 (1973-10-01), Shubkin
patent: 3780128 (1973-12-01), Shubkin
patent: 4420647 (1983-12-01), Hammond et al.
patent: 4434309 (1984-02-01), Larkin et al.
patent: 4527004 (1985-07-01), Sweeney

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