Process for preparing an alkylene glycol

C - Chemistry – Metallurgy – 07 – C

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C07C 29/10 (2006.01) C07C 31/20 (2006.01)

Patent

CA 2688454

A catalytic process for preparing a monoalkylene glycol from a corresponding alkylene oxide utilizing an ion exchange resin and a reactor in which an upflow process is used is provided. In particular, the process includes reacting water and an alkylene oxide in at least one reactor under conditions to form an alkylene glycol, wherein the at least one reactor includes an ion exchange resin and the reactor is operating in an upflow direction.

L'invention concerne un procédé catalytique pour préparer un monoalkylèneglycol à partir d'un oxyde d'alkylène correspondant utilisant une résine échangeuse d'ions et un réacteur dans lequel un procédé à courant ascendant est utilisé. En particulier, le procédé comprend la mise en réaction d'eau et d'un oxyde d'alkylène dans au moins un réacteur dans des conditions pour former un alkylèneglycol, le au moins un réacteur comprenant une résine échangeuse d'ions, et le réacteur fonctionnant dans la direction d'un courant ascendant.

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