Method of making methylamines using chabazite catalysts

Details Method of making methylamines using chabazite catalysts Method of making methylamines using chabazite catalysts

C - Chemistry, Metallurgy

07

C

C07C 209/16 (2006.01) C07C 211/04 (2006.01)

Patent

CA 2293448

A method for making monomethylamine, dimethylamine and trimethylamine, in which methanol and/or dimethylether and ammonia are contacted in the presence of an acidic zeolite chabazite catalyst is disclosed. The method suppresses the production of trimethylamine and optimizes dimethylamine and monomethylamine yields.

Cette invention se rapporte à un procédé de fabrication de monométhylamine, de diméthylamine et de triméthylamine, consistant à mettre en contact du méthanol et/ou un éther méthylique avec de l'ammoniac, en présence d'un catalyseur à base de zéolite acide dotée d'une structure de chabasite. Ce procédé supprime la production de triméthylamine et optimise les rendements en diméthylamine et monométhylamine.

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