Process for the production of 1,3-propanediol by...

C - Chemistry – Metallurgy – 07 – C

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C07C 29/141 (2006.01) C07C 31/20 (2006.01)

Patent

CA 2291037

A process for the production of 1,3-propanediol by heterogeneously catalyzed hydrogenation of 3-hydroxypropionaldehyde in an aqueous solution at 30 to 180 ~C, a hydrogen pressure of 5 to 300 bar and a pH value of 2.5 to 7.0, wherein ruthenium on an oxide support is used as the catalyst.

L'invention concerne un procédé de production de 1,3-propanediol par hydrogénation catalysée de manière hétérogène de 3-hydroxypropionaldéhyde dans une solution aqueuse à 180 ·C, à une pression de 5 à 300 bar et à une valeur de pH de 2,5 à 7,0, du ruthénium sur support oxyde étant utilisé comme catalyseur.

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