Method for the production of aldehydes

Details Method for the production of aldehydes Method for the production of aldehydes

2006-08-08

2006-08-08

Richter, Johann R. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S454000

Reexamination Certificate

active

07087795

ABSTRACT:
The invention relates to a hydroformylation method, whereby the homogeneous liquid reactor discharge is first supplied to a gas/liquid separator and then run through an extraction column with a counter-current of synthesis gas and finally fed to an evaporator. The invention is characterised in that the homogeneous liquid mass flow is supplied to the upper section of the extraction column at a temperature above 90° C.

REFERENCES:
patent: 3357809 (1967-12-01), Colchagoff
patent: 4148830 (1979-04-01), Pruett et al.
patent: 4247486 (1981-01-01), Brewester et al.
patent: 5105018 (1992-04-01), Miyazawa et al.
patent: 5426238 (1995-06-01), Mori et al.
patent: 690 05 715 (1990-12-01), None
patent: 44 19 898 (1994-12-01), None
patent: 199 54 665 (2001-06-01), None

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