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US 11,305,266 B2Granted
Catalyst and manufacturing method thereof
AssigneesHyundai Motor Company, Kia Motors Corporation, Heesung Catalysts Corporation
InventorsYoung Jin Kim, Chang Hwan Kim, Pyung Soon Kim, Eunseok Kim, Yong Sul Kim
Life of this patent
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Abstract
The present disclosures relate to a catalyst for removing a nitrogen oxide and a manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes: a first catalyst that includes a zeolite support containing copper and having a first framework; and a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first framework.
Claims8
A catalyst for removing a nitrogen oxide, comprising:
- a first catalyst that includes a zeolite support containing copper and having a first framework;
- and
- a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first frameworks
- wherein the first framework is LTA;
- wherein the second framework is at least one of CHA, AEI, and AFX;
- and
- wherein a mixed ratio of the first catalyst and the second catalyst is in a range of 5:1 to 1:3 as a weight ratio.
4 more elements
Dependencies are inferred from the claim text.