- 专利标题： METHOD FOR PREVENTING A SELECTIVE CATALYTIC REDUCTION (SCR) CATALYST FROM BEING CONTAMINATED WITH PLATINUM
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申请号： US16061494申请日： 2016-12-16
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公开(公告)号： US20200032690A1公开(公告)日： 2020-01-30
- 发明人: Christoph HENGST , Marco LOPEZ
- 申请人： UMICORE AG & CO. KG
- 申请人地址： DE Hanau-Wolfgang
- 专利权人： UMICORE AG & CO. KG
- 当前专利权人： UMICORE AG & CO. KG
- 当前专利权人地址： DE Hanau-Wolfgang
- 优先权： DE102015225579.4 20151217
- 国际申请： PCT/EP2016/081334 WO 20161216
- 主分类号： F01N3/20
- IPC分类号： F01N3/20 ; F01N3/035 ; B01J23/42
摘要：
The present invention relates to a method for preventing an SCR catalyst from being contaminated with platinum group metal in an emission control system comprising, upstream of the SCR catalyst, a catalyst that contains platinum group metal, characterized in that a material zone containing a mixture of aluminum oxide and cerium oxide is located upstream of the SCR catalyst.
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