Hydroformylation process with rhodium catalyst and oxygen...

Details Hydroformylation process with rhodium catalyst and oxygen... Hydroformylation process with rhodium catalyst and oxygen...

C - Chemistry, Metallurgy

07

C

260/573.2

C07C 47/02 (2006.01) C07C 45/50 (2006.01) C07C 45/82 (2006.01) C07C 45/85 (2006.01)

Patent

CA 1170273

- 0 - HYDROFORMYLATION PROCESS WITH RHODIUM CATALYST AND OXYGEN STABILIZATION THEREOF Abstract of the Disclosure This invention concerns an oxo process em- ploying unmodified rhodium catalyst for the preparation of aldehydes, principally for the preparation of relatively high prop- ortions of branched isomer, from olefins and synthesis gas. More particularly the invention concerns such a process wherein at least a portion of the reaction medium, e.g., the oxo reactor effluent, is contacted with an oxygen containing gas prior to product recovery by distillation, such that the rhodium is converted to a stable form and not lost by plating out on the distillation column or base heater during the distillation.

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