Separation of isobutene from refinery streams

Details Separation of isobutene from refinery streams Separation of isobutene from refinery streams

C - Chemistry, Metallurgy

07

C

260/648, 260/718

C07C 11/16 (2006.01) C07C 7/148 (2006.01) C07C 41/06 (2006.01) C07C 43/04 (2006.01)

Patent

CA 1096889

ABSTRACT Isobutene is separated from a charge hydrocarbon stream, which may contain butadiene, in two stages in the first of which isobutene is present in excess and in the second of which isobutene is present in deficiency. In the first stage, a strongly acidic ion exchanger is used and in the second stage, an exchanger with a less powerful H+ loading is used.

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