Pretreatment of butenes

Details Pretreatment of butenes Pretreatment of butenes

1988-05-17

1989-07-18

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

208249, C07C 523

Patent

active

048495760

ABSTRACT:
In a process for isomerizing monoolefins having a terminal double bond (in particular the isomerization of butene-1 to butene-2) in the presence of a Group VIII metal catalyst (in particular an alumina-supported Pd catalyst) which is contaminated by impurities in the monoolefin containing feed, the improvement comprises pretreating the feed with a solid material comprising tin oxide and a refractory support material (in particular alumina).

REFERENCES:
patent: 3825503 (1974-07-01), Patrick et al.
patent: 3983030 (1976-09-01), Rosynek et al.
patent: 4177136 (1979-12-01), Harrington et al.
patent: 4293728 (1981-10-01), Montgomery

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