发明名称 |
COMPOSITION CONSISTING OF A CERIA-ZIRCONIA MIXED OXIDE WITH INCREASED REDUCIBILITY, PRODUCTION METHOD AND USE IN THE FIELD OF CATALYSIS |
摘要 |
<p>The invention relates to a composition essentially consisting of a ceria-zirconia mixed oxide, with a ceria content of at least 60 wt. % and, after 4 hours of calcination at 1000°C, a specific surface area of at least 15 m2/g and a quantity of mobile oxygen between 200°C and 400°C of at least 0.7 ml 02/g. Said composition is produced using a method wherein a mixture of cerium and zirconium compounds is continuously reacted with a basic compound in a reactor, with a maximum residence time of the reactive medium in the mixture zone of the reactor of 100 milliseconds; and the precipitate is heated then brought into contact with a surfactant before being calcinated.</p> |
申请公布号 |
WO2013004533(A1) |
申请公布日期 |
2013.01.10 |
申请号 |
WO2012EP62222 |
申请日期 |
2012.06.25 |
申请人 |
RHODIA OPERATIONS;IFRAH, SIMON;ITANI, LAMA;HERNANDEZ, JULIEN;HORBEZ, DOMINIQUE |
发明人 |
IFRAH, SIMON;ITANI, LAMA;HERNANDEZ, JULIEN;HORBEZ, DOMINIQUE |
分类号 |
C01G25/00;B01D53/94;B01J21/06;B01J23/10 |
主分类号 |
C01G25/00 |
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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