C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 47/02 (2006.01) C07C 45/50 (2006.01)
Patent
CA 2171006
In a primary process for hydroformylating olefins in the presence of a rhodium-containing catalyst solution to produce aldehydes and a gaseous effluent comprising unreacted olefin is vented, the improvement which comprises employing the effluent as a reactant feed for a coupled secondary hydroformylation process conducted jointly therewith in which the catalyst solution is cycled back and forth between the primary and secondary hydroformylation processes.
Dans un procédé primaire d'hydroformylation d'oléfines en présence d'une solution de catalyseur contenant du rhodium pour produire des aldéhydes, l'amélioration consiste à utiliser l'effluent gazeux contenant des oléfines n'ayant pas réagi pour alimenter un second réacteur couplé d'hydroformylation fonctionnant conjointement avec le premier réacteur. La solution de catalysateur circule dans les deux sens entre les réacteurs d'hydroformylation primaire et secondaire.
Pass Milo C.
Pieper Wendell L.
Unruh Jerry D.
Hoechst Celanese Corporation
Smart & Biggar
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