PROCESS FOR THE PREPARATION OF 1,2-PROPANEDIOL FROM GLYCEROL

摘要

The present invention relates to a process for the preparation of 1,2-propandiol, at least comprising the following steps a) providing a glycerol-containing stream comprising at least 40% by weight of at least one organic solvent and b) subjecting the glycerol-containing stream of step a) to a hydrogenation in the presence of a copper-containing, heterogeneous catalyst at a pressure of at least 50 bar.