C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/719.3
C07C 5/25 (2006.01) B01J 27/28 (2006.01) C07C 11/08 (2006.01)
Patent
CA 1219882
- 12 - Abstract of the Disclosure: 1-Butene is recovered from a C4-hydrocarbon mixture which contains 2-butenes and may or may not contain 1-butene by catalytic isomerization of the 2-butenes to 1-butene at elevated temperatures and iso- lation of the 1-butene, by a process in which the said iso- merization is carried out in the presence of an acidic catalyst at from 150 to 500°C, the isomerization mixture obtained from the isomerization zone is fed into a dis- tillation zone, 1-butene is taken off at the top of the distillation zone, a fraction containing 2-butenes is taken off in the lower third of the distillation zone and fed into the isomerization zone, and the starting C4- hydrocarbon mixture which contains 2-butenes and may or may not contain 1-butene is fed to the distillation zone and/or the isomerization zone.
457291
Hochstein Waldhelm
Hoelderich Wolfgang
Immel Wolfgang
Lindner Alfred
Volkamer Klaus
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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