发明申请
- 专利标题： Oxidation Catalyst for Treating the Exhaust Gas of a Compression Ignition Engine
- 专利标题（中）： 用于处理压燃式发动机废气的氧化催化剂
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申请号： US14691104申请日： 2015-04-20
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公开(公告)号： US20150224478A1公开(公告)日： 2015-08-13
- 发明人: David BERGEAL , Andrew Francis CHIFFEY , John Benjamin GOODWIN , Daniel HATCHER , Francois MOREAU , Agnes RAJ , Raj Rao RAJARAM , Paul Richard PHILLIPS , Cathal PRENDERGAST
- 申请人： Johnson Matthey Public Limited Company
- 优先权： GB1220912.8 20121121; GB1308934.7 20130517
- 主分类号： B01J23/58
- IPC分类号： B01J23/58 ; B01J21/12 ; B01D53/94 ; B01J23/44 ; B01J35/00 ; B01J35/04 ; B01J21/10
摘要：
An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.
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