Process for the recovery of a carbonylation product

Details Process for the recovery of a carbonylation product Process for the recovery of a carbonylation product

1995-05-31

1998-05-12

Manoharan, Virginia

Distillation: processes, separatory

With measuring, testing or inspecting

Of concentration

203 14, 203 29, 203 73, 203 80, 203 88, 159 21, 560232, 562519, 502325, B01D 342, C07C 5112, C07C 5144

Patent

active

057500070

ABSTRACT:
A process for the recovery of a carbonylation product from a liquid reaction composition of an iridium-catalysed carbonylation reaction of a carbonylatable reactant includes subjecting the composition to a vaporization with or without the addition of heat to produce a vapor-fraction and a liquid fraction, the vapor fraction includes carbonylation product and the liquid fraction has a water concentration of at least 0.5% by weight to stabilise the iridium catalyst.

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