发明名称 |
DUAL FUNCTION CATALYTIC FILTER |
摘要 |
<p>A dual function catalytic filter is provided having a soot filter with an inlet and an outlet, a soot oxidation layer on the inlet, wherein the soot oxidation layer comprises a soot oxidation catalytic component consisting essentially of at least one transition metal dispersed on a cerium and zirconium mixed and/or composite oxide, wherein the at least one transition metal is selected from the group consisting of W, Cr, Ce, Mn, Fe, Co, Ni, Cu, and combinations thereof, and an SCR layer coated on the outlet, wherein the SCR layer comprises an SCR catalytic component. Also provided are methods for removing NOx and soot from a lean burn exhaust gas using the dual function catalytic filter.</p> |
申请公布号 |
WO2012166833(A1) |
申请公布日期 |
2012.12.06 |
申请号 |
WO2012US40064 |
申请日期 |
2012.05.31 |
申请人 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY;SPREITZER, GLEN;CHATTERJEE, SOUGATO;RAJARAM, RAJ RAO;COLLIER, JILLIAN ELAINE;MILLINGTON, PAUL JAMES;LAROZE, SYLVIE CECILE |
发明人 |
SPREITZER, GLEN;CHATTERJEE, SOUGATO;RAJARAM, RAJ RAO;COLLIER, JILLIAN ELAINE;MILLINGTON, PAUL JAMES;LAROZE, SYLVIE CECILE |
分类号 |
B01D53/94;F01N3/035;F01N3/20 |
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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