Method for the production of aldehydes
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United States of America Patent
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Aug 8, 2006
Grant Date -
Mar 24, 2005
app pub date -
Nov 27, 2002
filing date -
Dec 8, 2001
priority date (Note) -
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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.degree. C.
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