发明名称 |
NOx-reduction in lean exhaust gas from automobile engines. |
摘要 |
The invention relates to a catalyst for decreasing nitrogen oxide in the lean exhaust gas of automobile engines. On a structurally reinforcing body, it contains a first catalytic coating of a high surface area aluminium oxide and/or cerium oxide impregnated with a mixture of iridium and platinum as catalytically active noble metal components. On the first layer is applied a second catalytic coating of a zeolite which contains copper and/or iron and is of the mordenite type.
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申请公布号 |
EP0559021(A2) |
申请公布日期 |
1993.09.08 |
申请号 |
EP19930102637 |
申请日期 |
1993.02.19 |
申请人 |
DEGUSSA AKTIENGESELLSCHAFT |
发明人 |
LEYRER, JUERGEN, DR.;LOX, EGBERT, DR.;ENGLER, BERND, DR. |
分类号 |
B01D53/86;B01D53/94;B01J29/24;B01J35/04;B01J37/02;F02B1/04 |
主分类号 |
B01D53/86 |
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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