发明名称 EXTRUDED SCR FILTER
摘要 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 stabilised 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.
申请公布号 US2012117952(A1) 申请公布日期 2012.05.17
申请号 US201113384562 申请日期 2011.02.01
申请人 DOTZEL RALF;LEPPELT RAINER;MUENCH JOERG WERNER;SCHEDEL HUBERT;JOHNSON MATTHEY PUBLIC LIMITED COMPANY 发明人 DOTZEL RALF;LEPPELT RAINER;MUENCH JOERG WERNER;SCHEDEL HUBERT
分类号 B01D53/94;B01J29/03;B01J29/04;B01J37/08;F01N3/035 主分类号 B01D53/94
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