Process for treating hydroformylation catalyst

Details Process for treating hydroformylation catalyst Process for treating hydroformylation catalyst

1983-12-02

1985-08-27

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

502 34, C07C 4550

Patent

active

045379971

ABSTRACT:
In a process for producing an aldehyde by hydroformylating allyl alcohol with carbon monoxide and hydrogen gas in the presence of a catalyst comprising a rhodium compound and a tertiary phosphine in an organic solvent and separating the resulting aldehyde with water extraction from the reaction mixture, the catalyst is maintained and recovered in the activity by treating the catalyst-containing solution in the organic solvent with a gaseous mixture of carbon monoxide and hydrogen gas after the water extraction step.

REFERENCES:
patent: 3527809 (1970-09-01), Pruett
patent: 3917661 (1975-11-01), Pruett
patent: 4108905 (1978-08-01), Wilkinson
patent: 4151209 (1979-04-01), Paul et al.
patent: 4196096 (1980-04-01), Dawes et al.
patent: 4215077 (1980-07-01), Matsumoto et al.
patent: 4297239 (1981-10-01), Bryant et al.

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