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

1997-10-23

1999-02-23

Barts, Samuel

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560246, 562517, 562519, 562520, 562608, C07C 6736, C07C 5112, C07C 5114

Patent

active

058746102

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 comprises 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 comprises carbonylation product and the liquid fraction has a water concentration of at least 0.5% by weight to stabilize the iridium catalyst.

REFERENCES:
patent: 3772380 (1973-11-01), Paulik et al.
patent: 4102922 (1978-07-01), Price
patent: 5750007 (1998-05-01), Clode et al.
Forster, "Kinetic and Spectroscopic Studies for the Carbonylation of Methanol with an Iodide-promoted Iridium Catalyst", J.C.S. Dalton, 1979, pp. 1639-1645.

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