公开(公告)号：DE19653629A1

公开(公告)日：1998-06-25

申请号：DE19653629

申请日：1996-12-20

Applicant: BASF AG

Inventor： WULFF-DOERING JOACHIM DR ,  STICHERT WOLFRAM ,  SCHUETH FERDI PROF DR

IPC: B01J21/06 ,  B01J23/10 ,  B01J35/00 ,  B01J35/10 ,  B01J37/03 ,  C01G25/00 ,  C01G25/02 ,  C04B35/48 ,  C04B35/482 ,  B01J27/053 ,  C07B35/02 ,  C07B35/04 ,  C07B61/00 ,  C07B37/00 ,  C07B37/08 ,  C07C1/04 ,  C07C5/00

Abstract: At least 80 wt.% monoclinic zirconium dioxide comprises a BET surface area of NOTLESS 100 m /g. Also claimed are: (a) at least 80 wt.% monoclinic sulphated dioxide with a sulphate content of 0.05-10 wt.%, calculated as SO4, and BET surface area of NOTLESS 100 m /g; (b) methods of preparing the dioxides; (c) zirconium dioxide prepared by these methods; (d) mouldings containing zirconium dioxide of these types; (e) the production of mouldings by pressing the zirconium dioxide; and (f) a catalyst with a support of zirconium dioxide of these types, doped with 0.1-20 wt.% catalytically active metal(s).