发明名称 |
NOx TRAP COMPOSITION |
摘要 |
A NOx trap composition, and its use in an exhaust system for internal combustion engines, is disclosed. NOx trap composition comprises a platinum group metal, barium, cobalt, and a magnesia-alumina support. The NOx trap composition is less prone to storage deactivation and exhibits reduced N2O formation. |
申请公布号 |
US2017072364(A1) |
申请公布日期 |
2017.03.16 |
申请号 |
US201615359170 |
申请日期 |
2016.11.22 |
申请人 |
Johnson Matthey Public Limited Company |
发明人 |
McKENNA FIONA-MAIREAD |
分类号 |
B01D53/94;B01J23/02;B01J37/08;B01J35/00;B01J35/04;B01J37/02;B01J23/89;B01J23/00 |
主分类号 |
B01D53/94 |
代理机构 |
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代理人 |
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主权项 |
1. A method for treating exhaust gas from an internal combustion engine comprising contacting the exhaust gas with a NOx trap composition comprising a platinum group metal, barium, cobalt, and a magnesia-alumina support, wherein the platinum group metal, barium, and cobalt are supported on the magnesia-alumina support. |
地址 |
London GB |