Supported carbonylation catalyst

Details Supported carbonylation catalyst Supported carbonylation catalyst

B - Operations, Transporting

01

J

B01J 27/128 (2006.01) B01J 21/18 (2006.01) B01J 23/46 (2006.01) B01J 37/08 (2006.01) C07C 51/14 (2006.01) C07C 57/03 (2006.01) B01J 23/40 (2006.01) B01J 23/70 (2006.01)

Patent

CA 2226146

The invention relates to a supported catalyst, in which a metal of Group VIII of the periodic system is immobilized on a carbon support, wherein the catalyst comprises halogen atoms, the Group VIII metal and an activated carbon support which support has a more hydrophobic surface than normal activated carbon, and to the use of such a catalyst in a carbonylation reaction of an organic compound, preferably in the carbonylation reaction of butadiene to pentenoic acid, a Nylon-precursor.

La présente invention concerne un catalyseur porté par un support, c'est-à-dire un métal du Groupe VIII de la classification périodique immobilisé sur un support de carbone. Le catalyseur comporte des atomes d'halogène, le métal du Groupe VIII et un support de charbon actif. La surface hydrophobe de ce support est supérieure à celle du charbon actif normal. L'invention concerne également le procédé d'utilisation d'un tel catalyseur dans une réaction de carbonylation d'un composé organique, de préférence dans la réaction de carbonylation du butadiène en acide penténoïque, un précurseur du Nylon.

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