Isobutene removal from c.sub.4 streams

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

C - Chemistry, Metallurgy

07

C

260/719.3

C07C 11/08 (2006.01) C07C 7/177 (2006.01)

Patent

CA 1169886

ISOBUTENE REMOVAL FROM C4 STREAMS ABSTRACT OF THE DISCLOSURE The isobutene in C4 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 tempera- ture of 30 to 80°C, whereby the isobutene is oligomerized and easily separated from the remaining C4 by fractionation.

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