Dimethyl ether production and recovery from methanol

Details Dimethyl ether production and recovery from methanol Dimethyl ether production and recovery from methanol

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) C07C 41/09 (2006.01) C07C 41/42 (2006.01)

Patent

CA 2214141

A process for production and recovery of dimethyl ether by dehydration of methanol which significantly reduces the distillation duties associated to the preparation of the fresh methanol feed stock and/or the recovery of unconverted methanol for use as recycle feed stock to the dimethyl ether production process while maintaining a high rate of conversion of methanol to dimethyl ether.

Procédé de production et de récupération d'éther diméthylique par déshydratation de méthanol. Ce procédé réduit de manière appréciable les besoins en matière de distillation associés à la préparation de la charge fraîche d'alimentation au méthanol et/ou de la récupération du méthanol non converti destiné à être utilisé comme charge de recyclage dans le procédé de production d'éther diméthylique, tout en maintenant un taux élevé de conversion du méthanol en éther diméthylique.

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