| 申请日期 | 2025-06-27 | 申请号 | WOJP05001403 |
| 公开（公告）号 | WO2005082494A1 | 公开（公告）日 | 2005-09-09 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | TOKYO ROKI CO LTD; NISSAN DIESEL MOTOR CO LTD | ||
| 简介 | Disclosed is a catalyst system comprising a first reaction unit which is loaded with a first catalyst containing, as active constituents, a composite oxide composed of two or more oxides selected from silica, alumina, titania, zirconia and tungsten oxide, and a rare earth metal or a transition metal (excluding Cu, Co, Ni, Mn, Cr and V), and a second reaction unit which is loaded with a second catalyst containing, as active constituents, a noble metal and a silica-alumina composite oxide. | ||
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