JP2025505487A - ガソリン排気ガス用途のための表面改質セリア－ジルコニア混合酸化物化合物 - Google Patents

ガソリン排気ガス用途のための表面改質セリア－ジルコニア混合酸化物化合物 Download PDF

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Publication number
JP2025505487A
JP2025505487A JP2024531554A JP2024531554A JP2025505487A JP 2025505487 A JP2025505487 A JP 2025505487A JP 2024531554 A JP2024531554 A JP 2024531554A JP 2024531554 A JP2024531554 A JP 2024531554A JP 2025505487 A JP2025505487 A JP 2025505487A
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ceria
hours
mixed oxide
heating
composition
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JP2025505487A5 (enExample
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フィッシャー、ジャネット
ハワード、マイケル
ルー、ジン
エヴァ パスクイ、アンドレア
シマンス、ケリー
チェン、チンヘ
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Johnson Matthey PLC
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Johnson Matthey PLC
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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
    • B01D53/9445—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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    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
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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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2024531554A 2022-02-03 2023-01-24 ガソリン排気ガス用途のための表面改質セリア－ジルコニア混合酸化物化合物 Withdrawn JP2025505487A (ja)

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US202263267523P 2022-02-03 2022-02-03
US63/267,523 2022-02-03
PCT/GB2023/050151 WO2023148473A1 (en) 2022-02-03 2023-01-24 Surface-modified ceria-zirconia mixed oxide compound for gasoline exhaust gas applications

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JP2025505487A true JP2025505487A (ja) 2025-02-28
JP2025505487A5 JP2025505487A5 (enExample) 2025-12-04

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