Preparation method for zirconium dioxide
Title：
Preparation method for zirconium dioxide
Application Number：
 00100554
Application Date：
 2000/01/25
Announcement Date：
 2000/07/19
Pub. Date：
Publication Number：
 1260324
Announcement Number：
 1112321
Grant Date：
Granted Pub. Date：
 2003-6-25
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 B01J 21/06, C01G 25/02
Applicant(s)：
 Qinghua University
Inventor(s)：
 Xu Baiqing, Wei Junmei, Yin Shuangfeng
Key Words：
 Preparation method, zirconium dioxide
Abstract：
 The preparation method of zirconium dioxide includes the following steps: firstly, preparing zirconium oxychloride liquor; drop-adding ZrOCl2 liquor into said precipitant, standing still and ageing to obtain Zr(OH)4 hydrosol; washing Zr(OH)4 hydrosol with deionized water, filtering or centrifugal separating to obtain Zr(OH)4 hydrogel; drying and roasting to obtain the invented ZrO2 which can be used as catalyst for various chemical reactions or carrier for catalyst.
Claim：
Priority：
PCT：
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