Isobutene removal from C.sub.4 streams

Details Isobutene removal from C.sub.4 streams Isobutene removal from C.sub.4 streams

1982-11-08

1984-09-04

Shaver, Paul F.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585526, C07C 224, C07C 202

Patent

active

044699115

ABSTRACT:
The isobutene in C.sub.4 hydrocarbon streams containing 5 to 60 mole % isobutene and n-butenes may be reduced to a level of 0.2 mole % or less by passing the feed stream at LHSV 0.5 to 12 in liquid phase through a fixed bed cation exchange resin catalyst in a tubular reactor with a water heat exchange medium maintained at a temperature of 30.degree. to 80.degree. C., whereby the isobutene is oligomerized and easily separated from the remaining C.sub.4 by fractionation.

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W. O. Haag, Kinetics and Catalysis No. 73, vol. 63, pp. 140-147.

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