Catalytic composition for carbonylation including iridium...

Details Catalytic composition for carbonylation including iridium... Catalytic composition for carbonylation including iridium...

B - Operations, Transporting

01

J

B01J 31/16 (2006.01) B01J 31/18 (2006.01) C07C 51/12 (2006.01) C07C 53/08 (2006.01)

Patent

CA 2400620

An improvement to methanol carbonylation processes utilizing a homogeneous iridium catalyst system comprises adding a rate-promoting amount of an insoluble pyridine ring-containing polymer. Typically, polyvinylpyridine as added to the reactor in amounts of up to about 2 weight percent.

L'invention concerne une amélioration apportée aux procédés de carbonylation du méthanol grâce à un système catalyseur d'iridium homogène comportant l'adjonction d'une quantité augmentant la vitesse d'un polymère contenant un anneau de pyridine insoluble. Généralement, on ajoute au réacteur des quantités de polyvinylpyridine supérieures à 2 % par poids environ.

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