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公开(公告)号：WO2021220010A1
公开(公告)日：2021-11-04
申请号：PCT/GB2021/051045
申请日：2021-04-30
Inventor： AMOS-REICHERT, Nikki , AVIS, Daniel Robert , BAUER, Juergen , BIDAL, Yannick , CHANDLER, Guy Richard , GREEN, Alexander, Nicholas, Michael , GREENHAM, Neil , HARRIS, Matthew Eben , LOPEZ-OROZCO, Sofia , MUENCH, Joerg , PHILLIPS, Paul Richard , PIRAS, Irene
Abstract: The present disclosure relates to a method for forming a catalyst article comprising: (a) forming a plastic mixture having a solids content of greater than 50 % by weight by mixing together a crystalline small pore or medium pore molecular sieve in an H+ or NH4+ form, an insoluble active metal precursor, an inorganic matrix component, an organic auxiliary agent, an aqueous solvent and optionally inorganic fibres; (b) moulding the plastic mixture into a shaped article; and (c) calcining the shaped article to form a solid catalyst body. The present disclosure further relates to a catalyst article, particularly a catalyst article which is suitable for use in the selective catalytic reduction of nitrogen oxides, and to an exhaust system.
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公开(公告)号：WO2023067345A1
公开(公告)日：2023-04-27
申请号：PCT/GB2022/052678
申请日：2022-10-20
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： AVIS, Daniel Robert , BROWN, Gavin , CASTANON RODRIGUEZ, Alba , GREEN, Alexander Nicholas Michael , GREENHAM, Neil , HARRIS, Matthew Eben , HEMMING, Oliver , IACONO, Carmelo , JENKINS, Caitlin Lucy , MURPHY, Alanna Susan , PHILLIPS, Paul Richard
Abstract: Catalyst compositions and methods of preparation comprising: preparing a promoter metal-molecular sieve catalyst composition comprising a promoter metal and a molecular sieve; and incorporating an iron salt into the promoter metal-molecular sieve catalyst composition.
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公开(公告)号：WO2019178303A1
公开(公告)日：2019-09-19
申请号：PCT/US2019/022167
申请日：2019-03-14
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , CHEN, Hai-Ying
Inventor： CHEN, Hai-Ying , FEDEYKO, Joseph , GREENHAM, Neil , HARRIS, Matthew , LU, Jing
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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公开(公告)号：WO2018183658A1
公开(公告)日：2018-10-04
申请号：PCT/US2018/025116
申请日：2018-03-29
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , CHEN, Hai-Ying
Inventor： CHEN, Hai-Ying , FEDEYKO, Joseph , GREENHAM, Neil , LARSSON, Mikael , LU, Jing , MARSH, Per , MICALLEF, David , NEWMAN, Andrew
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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5.发明申请
公开(公告)号：WO2018178627A1
公开(公告)日：2018-10-04
申请号：PCT/GB2018/050705
申请日：2018-03-19
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： HOWELLS, Heledd , MICALLEF, David , NEWMAN, Andrew , GREENHAM, Neil
Abstract: A catalyst article for treating a flow of a combustion exhaust gas comprises: a catalytically active substrate comprising one or more channels extending along an axial length thereof through which, in use, a combustion exhaust gas flows, the one or more channels having a first surface for contacting a flow of combustion exhaust gas; wherein the substrate is formed of an extruded vanadium-containing SCR catalyst material, wherein a first layer is provided on at least a portion of said first surface, wherein the first layer comprises an ammonia slip catalyst composition comprising one or more platinum group metals supported on titania, a silica-titania mixed oxide, a Ce-Zr mixed oxide, or a mixture thereof, and a second layer is provided on at least a portion of the first layer and comprises an SCR catalyst composition.
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Patent Agency Ranking
公开(公告)号：WO2021116683A1
公开(公告)日：2021-06-17
申请号：PCT/GB2020/053160
申请日：2020-12-10
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Abstract: A catalytic article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component and a support; a second catalytic region comprising a second PGM component on a support with low ammonia storage and a first SCR catalyst; and wherein the first catalytic region is covered by at least another catalytic region.
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公开(公告)号：WO2021074652A1
公开(公告)日：2021-04-22
申请号：PCT/GB2020/052625
申请日：2020-10-16
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： CHIFFEY, Andrew Francis , COLE, Kieran , COOPER, Oliver , DALY, Christopher , EDVARDSSON, Jonas , GILBERT, Lee , GREEN, Alexander , GREENHAM, Neil , HANLEY, Robert , JENKINS, Caitlin , MARSH, Per , MICALLEF, David , MOREAU, Francois , PLATT, George , PHILLIPS, Paul Richard , WYLIE, James
Abstract: A composite, zone-coated, ammonia and nitric oxide oxidation catalyst (12) comprising a substrate (5) having a total length L and two or more zones (1; 2) comprised of a first catalyst washcoat layer (9) and a second catalyst washcoat layer (11) different therefrom, which two or more zones (1; 2) being arranged axially in series wherein a first zone (1) having a length L1 48.8 g/1 (> 0.8g/in3), wherein a total PGM loading in the first zone (1) in grams per litre of substrate (g/l) is different from the total PGM loading in the second zone (2).
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公开(公告)号：WO2022238710A1
公开(公告)日：2022-11-17
申请号：PCT/GB2022/051210
申请日：2022-05-12
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： AVIS, Daniel Robert , BIDAL, Yannick , GREEN, Alexander Nicholas Michael , GREENHAM, Neil , HARRIS, Matthew Eben
IPC: B01J29/72 , B01D53/94 , B01D2251/2062 , B01D2251/208 , B01D2255/2063 , B01D2255/2065 , B01D2255/2068 , B01D2255/207 , B01D2255/20761 , B01D2255/50 , B01D53/9418 , B01J29/723 , B01J29/76 , F01N2570/14 , F01N3/2066
Abstract: A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted small-pore zeolite comprising: i) Ce and/or La in a total amount of about 5 to about 400 g/ft3; and ii) Nd and/or Nb in a total amount of about 5 to about 400 g/ft3.
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公开(公告)号：WO2021245375A1
公开(公告)日：2021-12-09
申请号：PCT/GB2021/051281
申请日：2021-05-26
Inventor： AMOS-REICHERT, Nikki Jane , AVIS, Daniel , BAUER, Juergen , BIDAL, Yannick , CHANDLER, Guy Richard , GREEN, Alexander, Nicholas, Michael , GREENHAM, Neil , HARRIS, Matthew Eben , LOPEZ-OROZCO, Sofia , MUENCH, Joerg , PHILLIPS, Paul Richard , PIRAS, Irene
IPC: B01J29/064 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/52 , B01J29/54 , B01J29/56 , B01J29/58 , B01J29/72 , B01J29/74 , B01J29/76 , B01J29/78 , B01J37/02 , B01D53/94 , B01J35/04 , B01J29/85 , B01D2255/20761 , B01D2255/50 , B01D53/8628 , B01D53/9418 , B01J2229/186 , B01J2229/42 , B01J29/7207 , B01J29/723 , B01J29/7407 , B01J29/743 , B01J29/7607 , B01J29/763 , B01J29/7807 , B01J29/783 , B01J37/0045 , B01J37/0234 , B01J37/0246 , B01J37/08
Abstract: The present disclosure relates to a method for forming a catalyst article comprising: (a) forming a slurry having a solids content of up to 50 wt% by mixing together at least the following components a crystalline molecular sieve in an H+ or NH4+ form, an insoluble active metal precursor and an aqueous solvent at a temperature in the range 10 to 35°C; (b) coating a substrate with the slurry formed in step (a); and (c) calcining the coated substrate formed in step (b) to form a catalyst layer on the substrate. The present disclosure further relates to a catalyst article, particularly a catalyst article which is suitable for use in the selective catalytic reduction of nitrogen oxides, and to an exhaust system.
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公开(公告)号：WO2021203121A1
公开(公告)日：2021-10-07
申请号：PCT/US2021/070314
申请日：2021-03-25
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , FEDEYKO, Joseph
Inventor： BIDAL, Yannick , CHEN, Hai-Ying , HARRIS, Matthew , LU, Jing , GREENHAM, Neil
IPC: B01J23/42 , B01D53/94 , B01J29/76 , B01J29/78 , B01J35/00 , B01D2251/2062 , B01D2251/2067 , B01D2255/1021 , B01D2255/2073 , B01D2255/20761 , B01D2255/50 , B01D2255/504 , B01D2255/9022 , B01D2255/904 , B01D2255/9207 , B01D2257/404 , B01D2257/406 , B01D2258/012 , B01D53/9418 , B01D53/9436 , B01D53/9468 , B01J2229/62 , B01J29/44 , B01J29/763 , B01J29/783 , B01J29/80 , B01J35/0006 , B01J35/1014 , B01J35/1019 , B01J37/0244 , F01N2370/02 , F01N3/2066 , F01N3/28
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 comprising a Cu- and Mn- exchanged molecular sieve; 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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