Process for recovering catalyst systems from raw hydroformylatio

Details Process for recovering catalyst systems from raw hydroformylatio Process for recovering catalyst systems from raw hydroformylatio

1975-01-22

1976-07-06

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2606065P, C07F 1500

Patent

active

039681343

ABSTRACT:
Complexes of transition metals with organic ligands are recovered from raw reaction products containing the complexes, and in particular such complexes of rhodium with tertiary phosphines are recovered from raw hydroformylation products. The raw hydroformylation product (or if such product is subjected to distillation, the tails of the distillation) are treated with an aqueous solution of an aldehyde having from 1 to 4 carbon atoms and of a strong acid and the solid rhodium complex thus formed is separated by filtration.

REFERENCES:
patent: 3515757 (1970-06-01), Sibert
patent: 3547964 (1970-12-01), Olivier
patent: 3560539 (1971-02-01), Booth
patent: 3755393 (1973-08-01), Kniese et al.

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