| 申请日期 | 2025-07-08 | 申请号 | DE4226112 |
| 公开（公告）号 | DE4226112B4 | 公开（公告）日 | 2006-01-12 |
| 公开国别 | DE | 申请人省市代码 | 全国 |
| 申请人 | ENGELHARD CORP | ||
| 简介 | In the reduction of at least one of the quantity and size of particulates in the exhaust of a diesel engine, wherein said exhaust is contacted with a catalyst, the improvement wherein the catalyst comprises a combination of a zeolite having acidic properties and at least one oxide of a transition metal or rare earth. SO2 in the exhaust gas is not oxidized to sulfates. | ||
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