Method for producing 1,2-propanediol by hydrogenolysis of...

Details Method for producing 1,2-propanediol by hydrogenolysis of... Method for producing 1,2-propanediol by hydrogenolysis of...

C - Chemistry, Metallurgy

07

C

C07C 29/60 (2006.01) C07C 31/20 (2006.01)

Patent

CA 2727375

The invention relates to a method for producing 1,2-propanediol, in that a liquid phase comprising at least 95 wt.-% glycerin is reacted with hydrogen in the presence of a copper-containing, powdered catalyst in a continuously operated stirred reactor at a pressure of 50 to 90 bar, wherein the stationary yield of the reaction is at least 60%.

L'invention concerne un procédé de production de 1,2-Propandiol, selon lequel une phase liquide, qui contient au moins 95% de glycérine, est mise en réaction avec de l'oxygène en présence d'un catalyseur sous forme de poudre, contenant du cuivre, dans un réacteur de mélange en continu, la transformations stationnaire de la réaction étant d'au moins 60%.

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