公开(公告)号：US20240091756A1

公开(公告)日：2024-03-21

申请号：US18032609

申请日：2021-10-20

Applicant: BASF SE

Inventor： Samira PARISHAN ,  Kazuhiko AMAKAWA ,  Ulrich HAMMON ,  Christian WALSDORFF ,  Necip NESELI ,  Markus MUEHL

IPC: B01J37/02 ,  B01J23/00 ,  B01J23/887 ,  B01J35/30 ,  B01J35/55 ,  B01J35/63 ,  B01J37/00

CPC classification number: B01J37/0215 ,  B01J23/002 ,  B01J23/8877 ,  B01J35/395 ,  B01J35/397 ,  B01J35/55 ,  B01J35/63 ,  B01J37/0018 ,  B01J2523/17 ,  B01J2523/53 ,  B01J2523/55 ,  B01J2523/68 ,  B01J2523/69

Abstract: A process for producing an eggshell catalyst, comprising the coating of the outer surface of a geometric shaped support body with a catalytically active multielement oxide or a powder P, wherein the powder P, after being coated, is converted by thermal treatment to a catalytically active multielement oxide, and one or more liquid binders, wherein the coating is conducted in a horizontal mixer and the Froude number during the coating in the horizontal mixer is from 0.0160 to 0.1200.