发明名称 |
EXTRUDED SCR FILTER |
摘要 |
<p>A wall-flow filter comprises a catalyst for converting oxides of nitrogen in the presence of a reducing agent, which wall-flow filter comprising an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one metal, wherein: the at least one metal is present throughout the extruded solid body alone or in combination with: is also present in a higher concentration at a surface of the extruded solid body; is also carried in one or more coating layer(s) on a surface of the extruded solid body; or both.</p> |
申请公布号 |
EP2531279(A1) |
申请公布日期 |
2012.12.12 |
申请号 |
EP20110703251 |
申请日期 |
2011.02.01 |
申请人 |
JOHNSON MATTHEY PLC |
发明人 |
DOTZEL, RALF;LEPPELT, RAINER;MUENCH, JOERG WERNER;SCHEDEL, HUBERT |
分类号 |
B01J23/30;B01D53/94;B01J23/83;B01J23/888;B01J29/74;B01J29/78;B01J35/04;B01J37/00;C04B35/50;C04B35/634;C04B35/636;C04B35/80;C04B35/82;C04B38/00;C04B111/00;F01N3/035 |
主分类号 |
B01J23/30 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|