| 发明名称 |
Process for the reduction of nitrogen oxides contained in waste gases. |
| 摘要 |
In a process using a zeolite-containing catalyst for the reduction of nitrogen oxides contained in waste gases, urea is used as the reducing agent to be added to the waste gas and oxides of the 4th, 5th or 6th period and/or oxides of rare earths are admixed to the zeolite catalyst.
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| 申请公布号 |
EP0445408(A1) |
申请公布日期 |
1991.09.11 |
| 申请号 |
EP19900124843 |
申请日期 |
1990.12.20 |
| 申请人 |
BAYER AG;VOLKSWAGEN AKTIENGESELLSCHAFT |
发明人 |
HELD, WOLFGANG, DR. ING.;KOENIG, AXEL, DR.-ING.;PUPPE, LOTHAR, DR. DIPL.-CHEM. |
| 分类号 |
B01D53/94;B01J29/14;B01J29/16;B01J29/24;B01J29/26;B01J29/42;B01J29/46;B01J29/48;F01N3/10;F01N3/20;F01N3/28;F01N13/02;F02B1/04 |
主分类号 |
B01D53/94 |
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