CONTINUOUS HYDROFORMYLATION PROCESS

摘要

A continuous hydroformylation process for forming an aldehyde comprising: A) reacting an olefinically unsaturated compound containing from 6 to 30 carbon atoms, carbon monoxide, hydrogen, and a rhodium-bisphosphite ligand complex catalyst to form a reaction mixture, B) separating aldehyde product from at least a portion of said reaction mixture, resulting in an aldehyde containing product stream and a catalyst containing product stream, and C) recycling the catalyst containing stream to A), wherein said separation is accomplished in a vacuum evaporator and a vapour/liquid separator and wherein the temperature of the heating surface of the evaporator is less than 125 DEG C and the residence time of the catalyst in the evaporator is less than 15 minutes.