Continuous hydroformylation of olefinically unsaturated...

Details Continuous hydroformylation of olefinically unsaturated... Continuous hydroformylation of olefinically unsaturated...

C - Chemistry, Metallurgy

07

C

260/573.2

C07C 45/50 (2006.01) C07C 47/02 (2006.01)

Patent

CA 1254584

- 12 - Abstract of the DiscLosure: OLefinicaLLy unsaturated com- pounds are continuousLy hydroformyLated under from 2 to 30 bar and at from 80 to 130°C using, as a cataLyst, a rhodium compLex which contains, as Ligands, sparingLy voLatiLe compounds of the generaL formuLa I Image I where A is phosphorus, arsenic, antimony or bismuth and R1, R2 and R3 are each organic radicaLs by a method in which the hydroformyLation mixture consisting of Liquid and gaseous components is removed from the reactor and is subjected to reLativeLy high temperatures and/or reLativeLy Low pressures for a short time in a devoLati- Lization coLumn, the mixture at the same time being sepa- rated into a gas phase and a Liquid phase, the gas phase is separated into the product ant the recycLe gas in a separator, and the recycLe gas and the Liquid phase from the devoLatiLization coLumn are recycLed to the reactor.

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