| 发明名称 |
Process for reducing nitrogen oxides in waste gases with a zeolite containing catalyst |
| 摘要 |
<p>An improvement in the removal of nitrogen oxides from the exhaust gases of internal combustion engines is achieved by adding urea or a urea-containing reducing agent to the exhaust gases and contacting the gases under oxidizing conditions with a zeolite containing catalyst.</p> |
| 申请公布号 |
EP0364694(B2) |
申请公布日期 |
1997.08.06 |
| 申请号 |
EP19890115327 |
申请日期 |
1989.08.19 |
| 申请人 |
BAYER AG |
发明人 |
HELD, WOLFGANG, DR.;KOENIG, AXEL, DR.;PUPPE, LOTHAR, DR. |
| 分类号 |
B01D53/94;B01J29/06;B01J29/072;F01N3/20;F01N13/02;(IPC1-7):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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| 地址 |
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