Hydroformylation process

Details Hydroformylation process Hydroformylation process

C - Chemistry, Metallurgy

07

C

260/573.2

C07C 47/02 (2006.01) C07C 45/50 (2006.01) C07C 47/21 (2006.01)

Patent

CA 1142963

PROCESS ABSTRACT A rhodium-catalysed hydroformylation process is disclosed in which an overhead vapour stream is recovered from the hydroformylation zone containing reactant alkene, hydrogen, carbon monoxide, alkene hydrogenation product(s), aldehyde product and aldehyde condensation products, This vapour stream is subjected to condensation conditions in one or two stages to condense therefrom condensible components comprising unreacted alkene, aldehyde product, and aldehyde condensation products. Non-condensed components of the vapour stream (e.g. H2 and CO) are recycled to the hydroformylation zone. Unreacted alkene is also recycled in liquid form to the hydroformylation zone.

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