Process for the hydroformylation of olefins

Details Process for the hydroformylation of olefins Process for the hydroformylation of olefins

1980-04-22

1981-09-29

Lone, Werren B.

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

Organic compounds

Oxygen containing

568454, C07C 4550

Patent

active

042924480

ABSTRACT:
A process for the hydroformylation of an olefin, comprising reacting the olefin with carbon monoxide and hydrogen in a catalyst liquid containing a Group VIII noble metal-triarylphosphine complex catalyst, excess triarylphosphine and a reaction solvent to form an aldehyde, characterized by withdrawing a part of the catalyst liquid as a spent catalyst liquid, subjecting the spent catalyst liquid to crystallization, recovering crystallized triarylphosphine from the spent catalyst liquid, and recirculating the recovered triarylphosphine into the reaction zone.

REFERENCES:
patent: 3547964 (1970-12-01), Olivier
patent: 3560539 (1971-02-01), Booth
patent: 3899442 (1975-08-01), Friedrich
patent: 4135911 (1979-01-01), Balmat

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