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1.
公开(公告)号:US20240238770A1
公开(公告)日:2024-07-18
申请号:US18413142
申请日:2024-01-16
Applicant: Johnson Matthey Public Limited Company
Inventor: Nicole GARCIA , Michael HOWARD , Jing LU , Qinghe ZHENG
CPC classification number: B01J31/0209 , B01D53/945 , B01D53/9454 , B01J23/464 , B01J35/45 , B01J35/57 , B01J37/0219 , B01J37/088 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/70 , B01D2255/9155 , B01D2258/012
Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a compound of formula (I):
and a PGM, R1 is H or C1-C6 alkyl, R2 is H, OH, or O—C1-C4 alkyl, the PGM comprising rhodium and/or platinum; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.-
公开(公告)号:US20230193805A1
公开(公告)日:2023-06-22
申请号:US18067890
申请日:2022-12-19
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Hai-Ying CHEN , Joseph FEDEYKO , Jing LU , Arthur REINING , Agnes RAJ
CPC classification number: F01N3/2803 , F01N3/206 , F01N3/2006 , F01N2370/04 , F01N2510/063
Abstract: The present invention relates to a compressed natural gas combustion and exhaust system comprising: (i) a natural gas combustion engine and (ii) an exhaust treatment system comprising an intake for receiving an exhaust gas from the combustion engine and a catalyst article arranged to receive and treat the exhaust gas, wherein the catalyst article comprises: a substrate having at least first and second coatings, the first coating comprising a palladium-containing alumina and/or a base-metal containing alumina and the second coating comprising a palladium-containing zeolite, wherein the first coating is arranged to contact the exhaust gas before the second coating; and, wherein the system is configured to selectively operate in: (a) a lean first mode in which sulphur is trapped on the first coating; and (b) a rich second mode whereby sulphur is released from the first coating. The present invention further relates to a method.
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公开(公告)号:US20180280877A1
公开(公告)日:2018-10-04
申请号:US15939419
申请日:2018-03-29
Applicant: Johnson Matthey Public Limited Company
Inventor: Hai-Ying CHEN , Joseph Michael FEDEYKO , Neil GREENHAM , Mikael LARSSON , Jing LU , Per Marsh , David MICALLEF , Andrew Newman
IPC: B01D53/94 , F01N3/20 , F01N13/00 , F01N3/035 , B01J23/652 , B01J23/648 , B01J23/42 , B01J23/44 , B01D53/58 , B01J21/06 , B01J23/22 , B01J23/30
Abstract: A catalyst article including a substrate with an inlet end and an outlet end, a first zone and a second zone, where the first zone comprises: a) an ammonia slip catalyst (ASC) bottom layer comprising a platinum group metal on a support; and b) an SCR layer comprising a second SCR catalyst, the SCR layer located over the ASC bottom layer; where the second zone comprises a catalyst (“second zone catalyst”) selected from the group consisting of a diesel oxidation catalyst (DOC) and a diesel exotherm catalyst (DEC); wherein the ASC bottom layer extends into the second zone; and where the first zone is located upstream of the second zone. The ASC bottom layer may include a blend of: (1) the platinum group metal on a support and (2) a first SCR catalyst.
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4.
公开(公告)号:US20230241585A1
公开(公告)日:2023-08-03
申请号:US18158700
申请日:2023-01-24
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Qinghe ZHENG , Jing LU , Michael HOWARD , Andrea Eva PASCUI , Kerry SIMMANCE , Janet FISHER
IPC: B01J23/10 , B01J23/34 , B01J23/83 , B01J23/00 , B01J23/44 , B01J23/46 , B01J37/04 , B01J37/02 , B01J37/08 , B01J35/04 , B01D53/94
CPC classification number: B01J23/10 , B01J23/34 , B01J23/83 , B01J23/002 , B01J23/44 , B01J23/464 , B01J37/04 , B01J37/0221 , B01J37/0213 , B01J37/088 , B01J37/0236 , B01J37/0248 , B01J35/04 , B01D53/945 , B01D2255/407 , B01D2255/402 , B01D2255/1023 , B01D2255/1021 , B01D2255/1025 , B01D2255/9155 , B01D2255/908 , F01N3/101
Abstract: Provided is a composition comprising a ceria-zirconia mixed oxide, the ceria-zirconia mixed oxide being surface-modified with a perovskite type compound of formula (I); wherein formula (I) is defined by Ax-yA′yB1-zB′zO3; where: A is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; A′ is an ion of a metal selected from the group consisting of Li, Na, K, Cs, Mg, Sr, Ba, Ca, Y, La, Ce, Pr, Nd, and Gd; B is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; B′ is an ion of a metal selected from the group consisting of Cu, Mn, Mo, Co, Fe, Ni, Cr, Ti, Zr, Al, Ga, Sc, Nb, V, W, Bi, Zn, Sn, Pt, Rh, Pd, Ru, Au, Ag, and Ir; x is from 0.7 to 1; y is from 0 to 0.5; and z is from 0 to 0.5.
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公开(公告)号:US20220401926A1
公开(公告)日:2022-12-22
申请号:US17805918
申请日:2022-06-08
Applicant: Johnson Matthey Public Limited Company
Inventor: Qinghe ZHENG , Jing LU , Michael HOWARD
IPC: B01J23/44 , B01J23/46 , B01J21/04 , B01J23/10 , B01J35/00 , B01J35/04 , B01J37/02 , B01J37/08 , B01D53/94
Abstract: A method of manufacturing a catalyst article, the method comprising: providing a complex of a polyphenol and a PGM, the polyphenol comprising an ester functional group, the PGM comprising palladium; providing a support material; applying the complex to the support material to form a loaded support material; disposing the loaded support material on a substrate; and heating the loaded support material to form nanoparticles of the PGM on the support material.
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公开(公告)号:US20190283011A1
公开(公告)日:2019-09-19
申请号:US16352902
申请日:2019-03-14
Applicant: Johnson Matthey Public Limited Company
Inventor: Hai-Ying CHEN , Joseph FEDEYKO , Neil GREENHAM , Matthew HARRIS , Jing LU
Abstract: The invention relates to a catalytic article comprising a substrate having an inlet and an outlet; a first coating comprising a blend of: (1) platinum on a support, and (2) a first SCR catalyst; and a second coating comprising a second SCR catalyst; wherein the support comprises at least one of a zeolite or a SiO2—Al2O3 mixed oxide. The platinum may be fixed on the support in solution.
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7.
公开(公告)号:US20180283250A1
公开(公告)日:2018-10-04
申请号:US15939469
申请日:2018-03-29
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Hai-Ying CHEN , John KILMARTIN , Dongxia LIU , Jing LU , Desiree DURAN-MARTIN , Raj RAJARAM
Abstract: A catalyst article including a substrate with an inlet side and an outlet side, a first zone and a second zone, where the first zone comprises a passive NOx adsorber (PNA) comprising a platinum group metal and a base metal, both on a molecular sieve, and an ammonia slip catalyst (ASC) comprising an oxidation catalyst comprising a platinum group metal on a support, and a first SCR catalyst; where the second zone comprises a catalyst selected from the group consisting of a diesel oxidation catalyst (DOC) and a diesel exotherm catalyst (DEC); and where the first zone is located upstream of the second zone. The first zone may include a bottom layer including a blend of: (1) the oxidation catalyst and (2) the first SCR catalyst; and a top layer including a second SCR catalyst, the top layer located over the bottom layer.
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8.
公开(公告)号:US20160236147A1
公开(公告)日:2016-08-18
申请号:US14996288
申请日:2016-01-15
Applicant: Johnson Matthey Public Limited Company
Inventor: Hai-Ying CHEN , Joseph Michael FEDEYKO , Jing LU , Paul Joseph ANDERSEN , Arthur Joseph REINING , Rita AIELLO
Abstract: A catalytic material for treating an exhaust gas produced by a natural gas engine, which catalytic material comprises a molecular sieve and a platinum group metal (PGM) supported on the molecular sieve, wherein the molecular sieve has a framework comprising silicon, oxygen and optionally germanium, and has a content of heteroatom T-atoms is ≦about 0.20 mol %.
Abstract translation: 一种用于处理由天然气发动机产生的废气的催化材料,该催化材料包括分子筛和分子筛上负载的铂族金属(PGM),其中分子筛具有包括硅,氧和任选的锗的骨架 并且具有杂原子T原子的含量≤≤约0.20mol%。
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公开(公告)号:US20230265772A1
公开(公告)日:2023-08-24
申请号:US18169595
申请日:2023-02-15
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Kevin DOURA , John KILMARTIN , Jing LU , Nicholas MCNAMARA , Thomas YEH
CPC classification number: F01N3/208 , B01D53/945 , B01D53/9454 , B01D53/9477 , B01D53/9495 , B01J21/04 , B01J23/10 , B01J23/462 , F01N3/101 , F01N3/108 , F01N3/2803 , F01N3/2839 , B01D2255/1026 , B01D2255/904 , B01D2255/908 , B01D2255/9155 , F01N2610/04 , F01N2610/1406 , F01N2610/1453 , F01N2900/1402
Abstract: The present invention relates to a system for ammonia combustion and exhaust gas treatment, the system comprising: an internal combustion engine for combusting ammonia; and an exhaust system comprising an intake for receiving an exhaust gas from the combustion engine, an upstream injector for adding hydrogen gas to the exhaust gas and a downstream catalyst article, wherein the downstream catalyst article comprises a three-way catalyst (TWC) composition. The invention further relates to a method for the treatment of an exhaust gas from an ammonia internal combustion engine.
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公开(公告)号:US20230191382A1
公开(公告)日:2023-06-22
申请号:US18067822
申请日:2022-12-19
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Hai-Ying CHEN , Joseph FEDEYKO , Jacob GILMORE , Jing LU , Nicholas MCNAMARA
CPC classification number: B01J29/89 , B01J23/44 , B01J35/04 , F01N3/2828 , B01D53/944 , F01N2370/04 , F01N2330/06 , B01D2255/1023 , B01D2255/50
Abstract: The present invention relates to a catalytic material for treating an exhaust gas produced by a natural gas engine, which catalytic material comprises a molecular sieve and a platinum group metal (PGM) supported on the molecular sieve, wherein the molecular sieve has a framework comprising silicon, oxygen, titanium and optionally germanium, and has a content of non-titanium heteroatom T-atoms of ≤ about 0.20 mol %, wherein the titanium is present in an amount of from 1 to 3 mol %. The present invention further relates to a catalyst article and to a compressed natural gas combustion and exhaust system.
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