公开(公告)号：US20210283583A1

公开(公告)日：2021-09-16

申请号：US16323828

申请日：2017-08-08

Applicant: BASF SE

Inventor： ANDREY KARPOV ,  Michael KRAEMER ,  Marco BOSCH ,  Christian BARTOSCH ,  Juergen ZUEHLKE ,  Carlos LIZANDARA PUEYO ,  Guido WASSERSCHAFF

IPC: B01J23/68 ,  B01J6/00 ,  B01J35/10 ,  B01J37/02 ,  B01J23/04 ,  C07D301/10

Abstract: The present invention is directed to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver, cesium and rhenium applied to an alumina support, wherein the alumina support comprises Si, Ca, and Mg in a defined amount. Furthermore, the present invention is directed to a process for preparing the catalyst according to the present invention and process for preparing ethylene oxide by gas-phase oxidation of ethylene by means of oxygen in the presence of a shaped catalyst body according to the present invention.