发明申请
WO2021032308A1 CATALYST FOR THE ABATEMENT OF AMMONIA AND NITROGEN OXIDE EMISSIONS FROM THE EXHAUST GASES OF COMBUSTION ENGINES
审中-公开
基本信息:
- 专利标题： CATALYST FOR THE ABATEMENT OF AMMONIA AND NITROGEN OXIDE EMISSIONS FROM THE EXHAUST GASES OF COMBUSTION ENGINES
- 申请号：PCT/EP2019/073966 申请日：2019-09-09
- 公开(公告)号：WO2021032308A1 公开(公告)日：2021-02-25
- 发明人： COLOMBO, Massimo , SEYLER, Michael
- 申请人： UMICORE AG & CO. KG
- 申请人地址： Rodenbacher Chaussee 4
- 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： Rodenbacher Chaussee 4
- 优先权： EP19192426.5 2019-08-20
- 主分类号： B01J23/42
- IPC分类号： B01J23/42 ; B01J23/44 ; B01J29/072 ; B01J29/72 ; B01J37/02 ; B01D53/94
摘要：
The present invention relates to a catalyst comprising - a carrier substrate of the length L, which extends between a first end face 'a' and a second end face 'b', and - differently composed material zones A and B arranged on the carrier substrate, wherein - material zone A comprises platinum and no palladium or platinum and palladium with a weight ratio of Pt : Pd of ≥ 1 and, - material zone B comprises a copper containing zeolite having a Cu/Al ratio of 0.355 or higher.
IPC结构图谱:
| B | 作业；运输 |
| --B01 | 一般的物理或化学的方法或装置 |
| ----B01J | 化学或物理方法，例如，催化作用、胶体化学；其有关设备 |
| ------B01J23/00 | 不包含在B01J21/00组中的，包含金属或金属氧化物或氢氧化物的催化剂 |
| --------B01J23/16 | .砷、锑、铋、钒、铌、钽、钋、铬、钼、钨、锰、锝或铼的 |
| ----------B01J23/40 | ..铂系金属的 |
| ------------B01J23/42 | ...铂 |