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公开(公告)号:US20190093539A1
公开(公告)日:2019-03-28
申请号:US16204783
申请日:2018-11-29
Applicant: Hyundai Motor Company , Kia Motors Corporation
Inventor: ChangHo JUNG , Pyung Soon KIM
IPC: F01N9/00 , F01N13/00 , F01N3/20 , F01N3/025 , F01N11/00 , F01N3/022 , F01N3/08 , B01D53/94 , F01N3/035 , B01D46/00 , B01J38/00
Abstract: A regeneration method of an apparatus of purifying an exhaust gas including a catalytic converter which is disposed on an exhaust pipe and includes a lean NOx trap (LNT) device in which a first LNT catalyst is coated and a catalyzed particulate filter (CPF) in which a second LNT catalyst is coated may include determining whether a nitrogen oxide (NOx) amount absorbed in the LNT device is greater than a threshold NOx amount, determining whether a temperature of the LNT device is higher than a first predetermined temperature when the NOx amount absorbed in the LNT device is greater than the threshold NOx amount, and regenerating, both of the LNT device and the CPF or only the LNT device according to a temperature of the CPF when the temperature of the LNT device is higher than the first predetermined temperature.
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公开(公告)号:US20200171466A1
公开(公告)日:2020-06-04
申请号:US16700147
申请日:2019-12-02
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Pyung Soon KIM , Chang Hwan KIM , Hyunjoo LEE , Beom-Sik KIM , Junemin BAE , Hojin JEONG
Abstract: A catalyst for removing nitrogen includes an LNT catalyst and a Cu/CeO2 catalyst physically mixed with the LNT catalyst.
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公开(公告)号:US20210205796A1
公开(公告)日:2021-07-08
申请号:US16887163
申请日:2020-05-29
Inventor: Young Jin KIM , Chang Hwan KIM , Pyung Soon KIM , Eunseok KIM , Yong Sul KIM
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.
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公开(公告)号:US20210113995A1
公开(公告)日:2021-04-22
申请号:US16856451
申请日:2020-04-23
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Pyung Soon KIM , Chang Hwan KIM , Hyunjoo LEE , Beom-Sik KIM , Hojin JEONG , Junemin BAE
Abstract: A catalyst for removing nitrogen oxides, and the catalyst for removing the nitrogen oxides includes a first catalyst having a component including Pt, Ba, and Ce supported on a first support, and a second catalyst physically mixed with the first catalyst and having a component including Cu and Ce supported on a second support.
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公开(公告)号:US20200086303A1
公开(公告)日:2020-03-19
申请号:US16688685
申请日:2019-11-19
Inventor: Suk Bong HONG , Donghui JO , Taekyung RYU , Gi Tae PARK , In-Sik NAM , Pyung Soon KIM , Chang Hwan KIM
IPC: B01J29/76 , B01J37/02 , C01B39/14 , B01J29/80 , C01B39/02 , B01D53/94 , F01N3/20 , B01J37/30 , B01J37/08 , B01J37/04 , B01J35/04 , B01J35/00 , B01J29/072
Abstract: A catalyst includes LTA zeolite including copper ions, wherein a Si/Al ratio of the LTA zeolite is 2 to 50. The catalyst is coated on a honeycomb carrier or a filter. The catalyst removes NOx from a reaction gas at 100° C. or above. The catalyst has an NOx conversion rate of 80% at 450° C. or above.
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公开(公告)号:US20180304243A1
公开(公告)日:2018-10-25
申请号:US15829112
申请日:2017-12-01
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION
Inventor: Pyung Soon KIM , Youngjin KIM , Chang Hwan KIM
CPC classification number: B01J29/7607 , B01D53/9418 , B01D2251/2062 , B01D2255/2025 , B01D2255/2027 , B01D2255/204 , B01D2255/2042 , B01D2255/2045 , B01D2255/2063 , B01D2255/2065 , B01D2255/207 , B01D2255/20715 , B01D2255/209 , B01J37/04 , B01J37/30 , B01J2229/186 , C01B39/14
Abstract: One form of the present disclosure provides a catalyst including: an LTA zeolite containing copper ions; and an additive, wherein a Si/Al molar ratio of the LTA zeolite is in a range of approximately 2 to 50.
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公开(公告)号:US20170233258A1
公开(公告)日:2017-08-17
申请号:US15368066
申请日:2016-12-02
Inventor: Suk Bong HONG , Donghui JO , Taekyung RYU , Gi Tae PARK , In-Sik NAM , Pyung Soon KIM , Chang Hwan KIM
CPC classification number: C01B39/145 , B01D53/9418 , B01D53/944 , B01D53/9459 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01J29/7607 , B01J2229/186 , B01J2229/20
Abstract: A method for manufacturing a zeolite catalyst includes: manufacturing a first Linde Type A (LTA) zeolite using an LTA seed; manufacturing a second LTA zeolite including ions by substituting ions to the first LTA zeolite; and manufacturing a copper LTA zeolite by performing copper ion exchange on the second LTA zeolite.
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公开(公告)号:US20170232428A1
公开(公告)日:2017-08-17
申请号:US15429850
申请日:2017-02-10
Inventor: Suk Bong HONG , Donghui JO , Taekyung RYU , Gi Tae PARK , In-Sik NAM , Pyung Soon KIM , Chang Hwan KIM
IPC: B01J29/76 , B01J35/00 , B01J35/04 , F01N3/20 , B01J37/04 , B01J37/08 , B01D53/94 , B01J29/072 , B01J37/30
Abstract: A catalyst includes LTA zeolite including copper ions, wherein a Si/Al ratio of the LTA zeolite is 2 to 50. The catalyst is coated on a honeycomb carrier or a filter. The catalyst removes NOx from a reaction gas at 100° C. or above. The catalyst has an NOx conversion rate of 80% at 450° C. or above.
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公开(公告)号:US20180133702A1
公开(公告)日:2018-05-17
申请号:US15591460
申请日:2017-05-10
Applicant: Hyundai Motor Company
Inventor: Pyung Soon KIM , Chang Hwan KIM , ChangHo JUNG
IPC: B01J29/80 , B01J29/76 , B01J35/00 , B01J35/04 , B01J37/30 , B01J37/08 , B01D53/94 , F01N3/20 , F01N3/035
Abstract: 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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公开(公告)号:US20180016958A1
公开(公告)日:2018-01-18
申请号:US15374768
申请日:2016-12-09
Applicant: Hyundai Motor Company
Inventor: ChangHo JUNG , Pyung Soon KIM
IPC: F01N9/00 , B01D46/00 , B01D53/94 , B01J38/00 , F01N3/20 , F01N13/00 , F01N3/025 , F01N3/035 , F01N11/00
CPC classification number: F01N9/002 , B01D46/0027 , B01D46/006 , B01D53/9422 , B01D53/9495 , B01D2279/30 , B01J38/00 , F01N3/0222 , F01N3/0253 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/20 , F01N9/00 , F01N11/002 , F01N11/007 , F01N13/009 , F01N13/0093 , F01N2510/06 , F01N2900/1402 , F01N2900/1602 , F01N2900/1614 , Y02T10/24 , Y02T10/47
Abstract: A regeneration method of an apparatus of purifying an exhaust gas including a catalytic converter which is disposed on an exhaust pipe and includes a lean NOx trap (LNT) device in which a first LNT catalyst is coated and a catalyzed particulate filter (CPF) in which a second LNT catalyst is coated may include determining whether a nitrogen oxide (NOx) amount absorbed in the LNT device is greater than a threshold NOx amount, determining whether a temperature of the LNT device is higher than a first predetermined temperature when the NOx amount absorbed in the LNT device is greater than the threshold NOx amount, and regenerating, both of the LNT device and the CPF or only the LNT device according to a temperature of the CPF when the temperature of the LNT device is higher than the first predetermined temperature.
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