C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/709
C07C 5/25 (2006.01) C07C 7/04 (2006.01) C07C 11/08 (2006.01)
Patent
CA 1251473
Abstract of the Disclosure: But-2-enes are obtained from C4-hydrocarbon mixtures which contain but-1-ene and may or may not contain but-2-enes by catalytic isomerization of the but-1-ene to but-2-enes in an isomerization zone at elevated temperatures by a process in which the iso- merization is carried out in combination with a distillative separation zone, the said hydrocarbon mixture being fed to the isomerization zone and/or distillative separa- tion zone, the isomerization mixture obtained from the isomerization zone is passed into the distillative separa- tion zone, a but-1-ene-containing fraction is removed above the lower third of the distillative separation zone and passed into the isomerization zone, and the but-2-enes or a fraction containing these are or is removed in the lower third of the distillative separation zone.
487567
Hoelderich Wolfgang
Lindner Alfred
Mross Wolf D.
Strohmeyer Max
Volkamer Klaus
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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