Method for separating 6-aminocaproic acid nitrile from...

Details Method for separating 6-aminocaproic acid nitrile from... Method for separating 6-aminocaproic acid nitrile from...

Category

C - Chemistry, Metallurgy

Subcategory

07

Subsubcategory

C

IPC codes

C07C 253/34 (2006.01)

Type

Patent

Patent number

CA 2280887

Description

The invention relates to a method for separating by distillation 6- aminocaproic acid nitrile from mixtures (I) containing 6-aminocaproic acid nitrile and an imine (II). Said method is characterized in that distillation takes place in a distillation column and that the distillation mixture remains on at least one level of the distillation column for an average period of at least 5 minutes.

L'invention concerne un procédé de séparation par distillation de nitrile d'acide 6-aminocaproïque compris dans des mélanges (I) contenant du nitrile d'acide 6-aminocaproïque et une imine (II). Ce procédé se caractérise en ce que la distillation s'effectue dans une colonne de distillation et qu'à cet effet, le mélange de distillation présente au niveau d'au moins un plan de la colonne de distillation, un temps de séjour moyen d'au moins 5 minutes.

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