C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/574
C07C 47/02 (2006.01) C07C 45/50 (2006.01) C07C 45/81 (2006.01) C07C 45/82 (2006.01)
Patent
CA 1173060
O. Z. OO5O/35O76 Abstract of the Disclosure: Aldehydes are obtained from the gaseous product of the hydroformylation of olefinic- ally unsaturated compounds using a rhodium catalyst by a process (cf. Figure 2) in which a) this gaseous product is introduced, without being cooled or let down, into a distillation column D, b) the top fraction from this column is cooled in a conden- ser K so that the greater part of the aldehydes contained therein is condensed, c) the condensate is separated, in a separator A, into a gas phase and a liquid phase, d) the gas phase from A, after waste gas has been separa ted off, is again brought to the synthesis pressure by means of a compressor P, and is returned to the reactor as a recycle gas, e) the liquid phase from A is returned to D, and f) the aldehydes are taken off from column D as liquid bottom products and/or as a vaporous side stream.
399835
Fischer Karl
Grenacher Armin V.
Herr Manfred
Strohmeyer Max
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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