公开(公告)号：CA3062731A1

公开(公告)日：2018-11-15

申请号：CA3062731

申请日：2018-05-09

Applicant: BASF SE

Inventor： BORCHERS SABINE ,  SCHROETER MARIE KATRIN ,  MUHLER MARTIN ,  TOELLE KATHARINA ,  POLIERER SABRINA ,  ANKE SVEN ,  SCHITTKOWSKI JULIAN

IPC: B01J23/72 ,  B01J35/00 ,  B01J35/10 ,  B01J37/00 ,  B01J37/03 ,  B01J37/06 ,  B01J37/08 ,  C07C29/00

Abstract: A process for the preparation of a copper/zirconia-catalyst for the hydrogenation of ethyl acetate to ethanol comprising the steps: a) preparation of an aqueous solution of water-soluble copper and zirconium salts; b) precipitation of a solid from this solution by addition of a basic precipitating agent, and optionally aging of the solid; c) separation and washing of the solid; d) drying of the solid; e) calcination of the solid; characterized in that the precipitation of the solid in step b) is carried out at a pH in the range of from 7 to 7,5, and the basic precipitation agent contains a mixture of Na2CO3 and NaOH.