发明名称 |
CATALYST FOR REDUCING NITROGEN OXIDES IN OXIDIZING AND REDUCING ATMOSPHERES |
摘要 |
A catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres which contains iridium on a support material. Silicon dioxide or a dealuminized zeolite in the acid H form with a modulus of more than 20, preferably more than 100, or mixtures thereof are used as support materials. Iridium is deposited on the external surfaces of these support materials with average particle sizes between 10 and 30 nm. The catalyst is particularly suitable for treating exhaust gases from lean-burn gasoline engines or from diesel engines.
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申请公布号 |
US2001053341(A1) |
申请公布日期 |
2001.12.20 |
申请号 |
US19990345787 |
申请日期 |
1999.07.01 |
申请人 |
TILLAART HANS VAN DEN;LEYRER JURGEN;STREHLAU WOLFGANG;LOX EGBERT;KREUZER THOMAS;PLOG CARSTEN;ANDORF RENATO;MARKERT NORBERT;STENGEL THOMAS |
发明人 |
TILLAART HANS VAN DEN;LEYRER JURGEN;STREHLAU WOLFGANG;LOX EGBERT;KREUZER THOMAS;PLOG CARSTEN;ANDORF RENATO;MARKERT NORBERT;STENGEL THOMAS |
分类号 |
B01D53/94;B01J23/46;B01J29/068;B01J29/44;(IPC1-7):B01J23/40;B01D53/56 |
主分类号 |
B01D53/94 |
代理机构 |
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代理人 |
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主权项 |
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