发明名称 |
HIGH SURFACE AREA ZIRCONIA |
摘要 |
High surface area zirconia, having a surface area after calcination, is obtainable by a process comprising aging zirconium hydroxide in the presence of an acid of an element of Group V or VI of the Periodic Table of Elements and calcining the zirconium material so-obtained. The preferred acid is phosphoric acid, in particular orthophosphoric acid. A high surface area zirconia is provided having a surface area of at least 180m2/g after calcination at a temperature of 300 .degree.C. |
申请公布号 |
CA2043320(C) |
申请公布日期 |
2002.02.05 |
申请号 |
CA19912043320 |
申请日期 |
1991.05.27 |
申请人 |
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发明人 |
REINALDA, DONALD;DERKING, ANKE |
分类号 |
B01J21/06;B01J27/16;C01G25/02;C07C1/04 |
主分类号 |
B01J21/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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