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As the active metal having ruthenic, exhaust gas from the lean-burn engine, a catalyst for removin 发明申请

2023-08-04 3750 361K 0

专利信息

申请日期 2025-07-12 申请号 JP2006525099
公开(公告)号 JP2007503987A 公开(公告)日 2007-03-01
公开国别 JP 申请人省市代码 全国
申请人 Hatee Aktiengesellschaft the high throughput application Ickx Peri Maintainer Lee Company501389637
简介 The invention relates to a catalyst for exhaust-gas purification in lean-burn engines, the catalyst comprising at least ZrO2 and/or Ce/Zr mixed oxide as support material and ruthenium as active metal, on its own or together with at least one further active metal selected from the precious metals group. Rare earth oxides and transition metals are used as promoters. The invention also comprises a method for purifying the exhaust gas from lean-burn engines in rich/lean and constant lean mode, in which a catalyst as defined above is used.


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