公开(公告)号：AU2166702A

公开(公告)日：2002-04-22

申请号：AU2166702

申请日：2001-10-11

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  SIGWART CHRISTOPH ,  HESSE MICHAEL ,  MAAS STEFFEN

IPC: B01J23/44 ,  C07C29/90 ,  C07C31/22

Abstract: A process is provided for improving the color number of polyhydric alcohols, especially trimethylolpropane, by catalytic hydrogenation, the polyhydric alcohol used in the hydrogenation having been purified by distillation following its preparation, wherein the hydrogenation is carried out in the presence of a macroporous supported heterogeneous catalyst containing, as the active metal, at least one metal of subgroups VII to X of the Periodic Table.