KR20200110445A - 개선된 필터 특성을 갖는 4-원 전환 촉매 - Google Patents

개선된 필터 특성을 갖는 4-원 전환 촉매 Download PDF

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KR20200110445A
KR20200110445A KR1020207025619A KR20207025619A KR20200110445A KR 20200110445 A KR20200110445 A KR 20200110445A KR 1020207025619 A KR1020207025619 A KR 1020207025619A KR 20207025619 A KR20207025619 A KR 20207025619A KR 20200110445 A KR20200110445 A KR 20200110445A
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oxide
wall
porous
wall coating
accelerator
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Korean (ko)
Inventor
토마스 슈미츠
아틸리오 시아니
스테판 지문트
야노쉬 크라빌론
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바스프 코포레이션
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/63Platinum group metals with rare earths or actinides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/58Platinum group metals with alkali- or alkaline earth metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/19Catalysts containing parts with different compositions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0063Granulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0228Coating in several steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/024Multiple impregnation or coating
    • B01J37/0244Coatings comprising several layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/024Multiple impregnation or coating
    • B01J37/0248Coatings comprising impregnated particles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101Three-way catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1025Rhodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/204Alkaline earth metals
    • B01D2255/2042Barium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/206Rare earth metals
    • B01D2255/2065Cerium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20715Zirconium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/209Other metals
    • B01D2255/2092Aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/40Mixed oxides
    • B01D2255/407Zr-Ce mixed oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
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    • B01D2255/50Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/908O2-storage component incorporated in the catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/915Catalyst supported on particulate filters
    • B01D2255/9155Wall flow filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/92Dimensions
    • B01D2255/9205Porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/92Dimensions
    • B01D2255/9207Specific surface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2370/00Selection of materials for exhaust purification
    • F01N2370/02Selection of materials for exhaust purification used in catalytic reactors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
KR1020207025619A 2018-02-05 2019-02-04 개선된 필터 특성을 갖는 4-원 전환 촉매 Pending KR20200110445A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18155096.3 2018-02-05
EP18155096 2018-02-05
PCT/EP2019/052636 WO2019149930A1 (en) 2018-02-05 2019-02-04 Four-way conversion catalyst having improved filter properties

Publications (1)

Publication Number Publication Date
KR20200110445A true KR20200110445A (ko) 2020-09-23

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KR1020207025619A Pending KR20200110445A (ko) 2018-02-05 2019-02-04 개선된 필터 특성을 갖는 4-원 전환 촉매

Country Status (7)

Country Link
US (1) US11376569B2 (https=)
EP (1) EP3749439A1 (https=)
JP (2) JP7387643B2 (https=)
KR (1) KR20200110445A (https=)
CN (1) CN111683733A (https=)
BR (1) BR112020015582A2 (https=)
WO (1) WO2019149930A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687892B (zh) * 2017-06-28 2024-04-26 巴斯夫公司 蒸发排放装置和吸附剂
JP7391045B2 (ja) * 2018-02-05 2023-12-04 ビーエーエスエフ コーポレーション 改善されたフィルタ特性を有する四元変換触媒
US11946405B2 (en) * 2018-08-31 2024-04-02 Basf Corporation Four-way conversion catalyst for the treatment of an exhaust gas stream
TWI749718B (zh) * 2019-08-21 2021-12-11 日商日本製紙股份有限公司 碳罐用吸附材
CN110891060A (zh) * 2019-11-26 2020-03-17 昆明能讯科技有限责任公司 一种基于多业务系统集成的统一认证系统
DE102020131366A1 (de) * 2020-11-26 2022-06-02 Umicore Ag & Co. Kg Abgasreinigungssystem für stöchiometrisch betriebene Verbrennungsmotoren
EP4288186A1 (en) 2021-02-02 2023-12-13 BASF Corporation Exhaust gas treatment system for reducing ammonia emissions from mobile gasoline applications
EP4299894B1 (en) 2021-02-24 2026-04-08 Nippon Paper Industries Co., Ltd. Formed adsorbent for canisters
EP4052787A1 (en) * 2021-03-02 2022-09-07 Johnson Matthey Public Limited Company Nox storage material
GB2621175B (en) * 2022-08-05 2024-12-25 Johnson Matthey Plc Coated filters
EP4581251A1 (en) * 2022-09-27 2025-07-09 BASF Mobile Emissions Catalysts LLC Catalyzed particulate filter
EP4580788A1 (en) * 2022-09-27 2025-07-09 BASF Mobile Emissions Catalysts LLC Catalyzed particulate filter
EP4378566A1 (en) * 2022-11-29 2024-06-05 Johnson Matthey Public Limited Company Improved catalytic wall-flow filter
JP2025540384A (ja) 2022-12-21 2025-12-11 ビーエーエスエフ コーポレーション ガソリン用途のためのゾーン化されたscr入口及びpgm出口を有するアンモニア酸化触媒
EP4648884A1 (en) 2023-01-09 2025-11-19 Basf Se Process for removing nitric oxide, nitrous oxide and carbon monoxide from a gas stream
WO2025125207A1 (en) 2023-12-11 2025-06-19 Basf Se Process for removing nitrogen monoxide, nitrogen dioxide and nitrous oxide from an exhaust gas stream

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3876731B2 (ja) * 2002-02-26 2007-02-07 トヨタ自動車株式会社 触媒担体構造体と排気ガス浄化用触媒
US7722829B2 (en) * 2004-09-14 2010-05-25 Basf Catalysts Llc Pressure-balanced, catalyzed soot filter
EP1985365A1 (en) * 2006-02-14 2008-10-29 Ngk Insulators, Ltd. Honeycomb structure and honeycomb catalyst body
JP2007296514A (ja) * 2006-04-07 2007-11-15 Ngk Insulators Ltd 触媒体とその製造方法
ATE464458T1 (de) 2007-02-23 2010-04-15 Umicore Ag & Co Kg Katalytisch aktiviertes dieselpartikelfilter mit ammoniak-sperrwirkung
DE102007046158B4 (de) * 2007-09-27 2014-02-13 Umicore Ag & Co. Kg Verwendung eines katalytisch aktiven Partikelfilters zur Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren
ATE457813T1 (de) 2007-09-28 2010-03-15 Umicore Ag & Co Kg Entfernung von partikeln aus dem abgas von mit überwiegend stöchiometrischem luft/kraftstoff- gemisch betriebenen verbrennungsmotoren
EP2364200A1 (en) 2008-11-26 2011-09-14 Corning Incorporated Coated particulate filter and method
US8246922B2 (en) * 2009-10-02 2012-08-21 Basf Corporation Four-way diesel catalysts and methods of use
US8926926B2 (en) * 2009-11-25 2015-01-06 GM Global Technology Operations LLC Exhaust particulate management for gasoline-fueled engines
JP5649945B2 (ja) * 2009-12-25 2015-01-07 日本碍子株式会社 表面捕集層付き担体及び触媒担持表面捕集層付き担体
JP5628413B2 (ja) * 2010-05-05 2014-11-19 ビーエーエスエフ コーポレーション 触媒化煤煙フィルターおよび排出処理システムおよび方法
GB201100595D0 (en) 2010-06-02 2011-03-02 Johnson Matthey Plc Filtration improvements
US8845974B2 (en) 2010-11-24 2014-09-30 Basf Corporation Advanced catalyzed soot filters and method of making and using the same
US8524182B2 (en) * 2011-05-13 2013-09-03 Basf Se Catalyzed soot filter with layered design
JP5964564B2 (ja) * 2011-09-05 2016-08-03 日本碍子株式会社 ウォールフロー型排ガス浄化フィルタ
JP2013085986A (ja) * 2011-10-13 2013-05-13 Nippon Soken Inc 排ガス浄化触媒及びその製造方法
GB201219600D0 (en) * 2012-10-31 2012-12-12 Johnson Matthey Plc Catalysed soot filter
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
WO2015172000A1 (en) 2014-05-09 2015-11-12 Johnson Matthey Public Limited Company Ammonia slip catalyst having platinum impregnated on high porosity substrates
JP6796084B2 (ja) * 2015-05-19 2020-12-02 ビーエーエスエフ コーポレーション パッシブ選択触媒還元に使用するための触媒スートフィルタ
JP2018526195A (ja) * 2015-06-16 2018-09-13 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se パッシブ選択的触媒還元に用いるための統合されたリーンNOxトラップ触媒を有するSCR触媒化煤フィルター
CN108138617B (zh) 2015-09-24 2020-11-06 本田技研工业株式会社 废气净化过滤器
GB2546164A (en) * 2015-09-30 2017-07-12 Johnson Matthey Plc Gasoline particulate filter
JP6934311B2 (ja) * 2016-06-02 2021-09-15 株式会社キャタラー 排ガス浄化フィルタ
DE102016111574A1 (de) 2016-06-23 2017-12-28 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Einrichtung zur Abgasreinigung mit Filterfunktion und Diagnoseverfahren für diese Einrichtung
GB201622179D0 (en) * 2016-12-23 2017-02-08 Johnson Matthey Plc Gasoline particulate filter
JP7023770B2 (ja) * 2017-03-31 2022-02-22 株式会社キャタラー 排ガス浄化用触媒

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JP7387643B2 (ja) 2023-11-28
WO2019149930A1 (en) 2019-08-08
US11376569B2 (en) 2022-07-05
JP2021512791A (ja) 2021-05-20
CN111683733A (zh) 2020-09-18
BR112020015582A2 (pt) 2021-02-02
EP3749439A1 (en) 2020-12-16
JP2023175707A (ja) 2023-12-12
US20200368727A1 (en) 2020-11-26

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