Deposit deactivation treatment method

Details Deposit deactivation treatment method Deposit deactivation treatment method

C - Chemistry, Metallurgy

07

C

C07C 2/26 (2006.01) C07C 7/148 (2006.01) C07C 11/107 (2006.01)

Patent

CA 2672389

A method of treatment by which a deposit adherent to, e.g., the inside of a reactor in a process for producing an .alpha.-olefin oligomer is deactivated. After completion of the production of an ethylene oligomer in a reactor (10) in the presence of a chromium-based catalyst, a hydrocarbon solution containing an electron-donating compound such as water or an alcohol is supplied to the reactor (10) and a heat exchanger (16) to deactivate a deposit adherent thereto.

Procédé de traitement selon lequel un dépôt adhérant par exemple à l'intérieur d'un réacteur lors de la production d'un oligomère d' .alpha.-oléefine. Une fois terminée la production d'oligomère d'éthylène dans un réacteur (10) en présence d'un catalyseur à base de chrome, on introduit une solution hydrocarbonée consentant un composé donneur d'électrons telle que de l'eau ou un alcool dans le réacteur (10) et un échangeur de chaleur (16) afin de désactiver un dépôt qui y a adhéré.

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