Process for the carbonylation of dimethyl ether

Details Process for the carbonylation of dimethyl ether Process for the carbonylation of dimethyl ether

C - Chemistry, Metallurgy

07

C

C07C 67/37 (2006.01) C07C 51/09 (2006.01) C07C 53/08 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2684548

Production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide in the presence of hydrogen under substantially anhydrous conditions, in the presence of a zeolite catalyst at a temperature in the range of greater than 250°C to 350°C and a dimethyl ether concentration of at least 1 mol%.

L'invention porte sur la fabrication d'acétate de méthyle par carbonylation d'une alimentation d'éther diméthylique par du monoxyde de carbone en présence d'hydrogène dans des conditions sensiblement anhydres, en présence d'un catalyseur de zéolite à une température se situant dans la plage de plus de 250 °C à 350 °C et une concentration d'éther diméthylique d'au moins 1% en moles.

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