Process for purifying aqueous tertiary amine and...

Details Process for purifying aqueous tertiary amine and... Process for purifying aqueous tertiary amine and...

C - Chemistry, Metallurgy

07

C

C07C 213/10 (2006.01) C07C 215/12 (2006.01)

Patent

CA 2373584

A process for the removal of primary and secondary amine and alkanolamine impurities from aqueous tertiary amine and alkanolamine solutions without affecting the tertiary amine and/or alkanolamine by treating these solutions with a monoaldehyde or dialdehyde has been described.

L'invention concerne un procédé permettant de retirer les impuretés d'amine primaire et d'amine secondaire ainsi que les impuretés d'alcanolamine contenues dans des solutions aqueuses d'amine tertiaire et d'alcanolamine sans modifier ladite amine tertiaire et/ou l'alcanolamine. Ledit procédé consiste à traiter ces solutions avec un monaldéhyde ou un dialdéhyde.

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