JP2024532052A - 改善された三元触媒のための遷移金属を組み込んだアルミナ - Google Patents

改善された三元触媒のための遷移金属を組み込んだアルミナ Download PDF

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JP2024532052A
JP2024532052A JP2024500293A JP2024500293A JP2024532052A JP 2024532052 A JP2024532052 A JP 2024532052A JP 2024500293 A JP2024500293 A JP 2024500293A JP 2024500293 A JP2024500293 A JP 2024500293A JP 2024532052 A JP2024532052 A JP 2024532052A
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catalyst
alumina
catalytic
substrate
region
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JP2024532052A5 (enExample
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修平 長岡
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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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts 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
    • B01J23/56—Platinum group metals
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D53/9445—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
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    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust 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
    • F01N3/24—Exhaust 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
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
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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)
  • Toxicology (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)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2024500293A 2021-08-31 2022-08-26 改善された三元触媒のための遷移金属を組み込んだアルミナ Withdrawn JP2024532052A (ja)

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US202163260745P 2021-08-31 2021-08-31
US63/260,745 2021-08-31
US202263267355P 2022-01-31 2022-01-31
US63/267,355 2022-01-31
PCT/GB2022/052192 WO2023031584A1 (en) 2021-08-31 2022-08-26 Transition metal incorporated alumina for improved three way catalysts

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JP2024532052A true JP2024532052A (ja) 2024-09-05
JP2024532052A5 JP2024532052A5 (enExample) 2025-09-03

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US (2) US11986802B2 (enExample)
EP (2) EP4140567A3 (enExample)
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JP2024537958A (ja) * 2021-10-12 2024-10-18 ジョンソン マッセイ （シャンハイ） ケミカルズ リミテッド 改善されたアンモニア排出制御を有するｃｎｇエンジン排気ガス処理のための新規ゾーン触媒
EP4696413A1 (en) * 2024-08-16 2026-02-18 Johnson Matthey Public Limited Company Catalyst article for treating exhaust gas, its method of manufacture and uses thereof

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US4992405A (en) 1989-11-22 1991-02-12 Ford Motor Company Three-way catalyst for automotive emission control and method of making the catalyst
US5021389A (en) * 1989-11-22 1991-06-04 Ford Motor Company Three-way catalyst for automotive emission control and method of making the catalyst
WO1995000235A1 (en) * 1993-06-25 1995-01-05 Engelhard Corporation Layered catalyst composite
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
US5922294A (en) 1997-03-10 1999-07-13 Ford Global Technologies, Inc. High surface area, thermally stabilized titania automotive catalyst support
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