JP2024538924A - アンモニア排出制御が改善されたガソリン排気ガス処理のための触媒 - Google Patents

アンモニア排出制御が改善されたガソリン排気ガス処理のための触媒 Download PDF

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JP2024538924A
JP2024538924A JP2024514417A JP2024514417A JP2024538924A JP 2024538924 A JP2024538924 A JP 2024538924A JP 2024514417 A JP2024514417 A JP 2024514417A JP 2024514417 A JP2024514417 A JP 2024514417A JP 2024538924 A JP2024538924 A JP 2024538924A
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catalyst
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article
catalytic
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JP2024538924A5 (enExample
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リチャード チャンドラー、ガイ
コンテ、ショーン
フェランド、ヴィンセント
ハワード、マイケル
修平 長岡
パウエル、アレクシス
チャン、シアオルイ
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Johnson Matthey PLC
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Johnson Matthey PLC
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9436—Ammonia
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
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    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2024514417A 2021-11-02 2022-10-27 アンモニア排出制御が改善されたガソリン排気ガス処理のための触媒 Withdrawn JP2024538924A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163263390P 2021-11-02 2021-11-02
US63/263,390 2021-11-02
US202263377415P 2022-09-28 2022-09-28
US63/377,415 2022-09-28
PCT/GB2022/052726 WO2023079264A1 (en) 2021-11-02 2022-10-27 Catalysts for gasoline exhaust gas treatments with improved ammonia emission control

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JP2024538924A true JP2024538924A (ja) 2024-10-28
JP2024538924A5 JP2024538924A5 (enExample) 2025-08-19

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US (1) US20230143941A1 (enExample)
EP (1) EP4173693A1 (enExample)
JP (1) JP2024538924A (enExample)
WO (1) WO2023079264A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023061219A1 (en) * 2021-10-12 2023-04-20 Johnson Matthey (Shanghai) Chemicals Limited Novel zoned catalysts for cng engine exhaust gas treatments with improved ammonia emission control
EP4226992A1 (en) * 2022-02-10 2023-08-16 Johnson Matthey Public Limited Company Improved catalysts for gasoline engine exhaust gas treatments

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JPH08281107A (ja) * 1995-04-11 1996-10-29 Nissan Motor Co Ltd 排気ガス浄化用触媒
JP5122195B2 (ja) * 2007-07-17 2013-01-16 本田技研工業株式会社 ＮＯｘ浄化触媒
JP4767296B2 (ja) * 2008-07-31 2011-09-07 本田技研工業株式会社 ＮＯｘ浄化触媒
US8758695B2 (en) * 2009-08-05 2014-06-24 Basf Se Treatment system for gasoline engine exhaust gas
KR102353678B1 (ko) * 2014-08-12 2022-01-20 존슨 맛쎄이 퍼블릭 리미티드 컴파니 개질된 희박 nox 트랩을 갖는 배기 시스템
WO2016202855A1 (en) * 2015-06-16 2016-12-22 Basf Se Scr-catalyzed soot filter with integrated lean nox trap catalyst for use in passive selective catalytic reduction
WO2017222017A1 (ja) * 2016-06-23 2017-12-28 エヌ・イーケムキャット株式会社 リーンバーン用触媒
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