Lactam dehydration method

Details Lactam dehydration method Lactam dehydration method

C - Chemistry, Metallurgy

07

D

C07D 201/08 (2006.01) C07D 201/16 (2006.01)

Patent

CA 2338159

The invention concerns a method for separating water from an aqueous lactam solution, more particularly applicable to a mixture derived from the reaction between an aminonitrile and water (reaction which is also called cyclizing hydrolysis). It concerns a method for separating water from an aqueous lactam solution, method which is economical both in terms of the necessary investment for its implementation and in terms of operational costs.

La présente invention concerne un procédé de séparation de l'eau d'une solution aqueuse de lactame. Elle s'applique plus particulièrement à un mélange issu de la réaction entre un aminonitrile et l'eau (réaction aussi appelée hydrolyse cyclisante). Elle a pour objet un procédé de séparation de l'eau d'une solution aqueuse de lactame, procédé qui est économique tant au plan de l'investissement nécessaire pour le mettre en oeuvre, qu'au plan du coût de fonctionnement.

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