发明名称 |
COMPOSITION A BASE D'OXYDE DE CERIUM ET D'OXYDE DE ZIRCONIUM DE POROSITE SPECIFIQUE, PROCEDE DE PREPARATION ET UTILISATION EN CATALYSE |
摘要 |
<p>A composition including cerium and zirconium oxides, including at least 30 wt.-% cerium oxide is desired. Following calcination at a temperature of 900 DEG C. for 4 hours, the composition has two populations of pores, the diameters of the first population being centered around a value of between 5 nm and 15 nm for a composition including 30% to 65% cerium oxide or between 10 nm and 20 nm for more than 65% cerium oxide and the diameter of the second population being centered around a value of between 45 nm and 65 nm for 30% to 65% cerium oxide or between 60 nm and 100 nm for more than 65% cerium oxide.</p> |
申请公布号 |
FR2948116(B1) |
申请公布日期 |
2012.05.04 |
申请号 |
FR20090003506 |
申请日期 |
2009.07.17 |
申请人 |
RHODIA OPERATIONS |
发明人 |
IFRAH SIMON;LARCHER OLIVIER |
分类号 |
C01F17/00;B01D53/94;B01J21/06;B01J23/10;B01J35/10;C01G25/02 |
主分类号 |
C01F17/00 |
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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