发明授权
- 专利标题： Cu/LTA catalyst and exhaust system, and manufacturing method of cu/LTA catalyst
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申请号： US15591460申请日： 2017-05-10
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公开(公告)号： US10799854B2公开(公告)日： 2020-10-13
- 发明人: Pyung Soon Kim , Chang Hwan Kim , ChangHo Jung
- 申请人： Hyundai Motor Company
- 申请人地址： KR Seoul
- 专利权人： Hyundai Motor Company
- 当前专利权人： Hyundai Motor Company
- 当前专利权人地址： KR Seoul
- 代理机构： Morgan, Lewis & Bockius LLP
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4614997d
- 主分类号： B01J35/00
- IPC分类号： B01J35/00 ; B01J37/02 ; B01D53/94 ; B01J29/80 ; B01J29/76 ; B01J35/04 ; C01B39/14 ; B01J37/08 ; B01J37/30 ; F01N3/035 ; F01N3/20
摘要：
Provided herein is an exhaust system comprising a diesel particulate filter coated with a selective catalytic reduction (SDPF) wherein the SCR is coated with a Cu/LTA catalyst comprising a LTA zeolite that includes copper ions and the SCR is coated on a high pore diesel particulate matter filter, wherein a ratio of copper and aluminum is from about 0.14 to about 0.48, and wherein the Si/Al ratio of the LTA zeolite is from about 8 to about 100.
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