CN102112211B - NOx存储材料和耐热老化捕集器 - Google Patents

NOx存储材料和耐热老化捕集器 Download PDF

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CN102112211B
CN102112211B CN200980130027XA CN200980130027A CN102112211B CN 102112211 B CN102112211 B CN 102112211B CN 200980130027X A CN200980130027X A CN 200980130027XA CN 200980130027 A CN200980130027 A CN 200980130027A CN 102112211 B CN102112211 B CN 102112211B
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wash coat
slurry
nitrogen oxide
ceria
washcoat
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CN102112211A (zh
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M·希尔真多夫
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BASF SE
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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    • B01J35/73—Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline having a two-dimensional [2D] layered crystalline structure, e.g. layered double hydroxide [LDH]
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
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    • B01J37/0219—Coating the coating containing organic compounds
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    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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    • B01J37/0036—Grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (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 Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
CN200980130027XA 2008-07-31 2009-07-27 NOx存储材料和耐热老化捕集器 Active CN102112211B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08161545 2008-07-31
EP08161545.2 2008-07-31
PCT/EP2009/059645 WO2010012677A1 (en) 2008-07-31 2009-07-27 NOx STORAGE MATERIALS AND TRAPS RESISTANT TO THERMAL AGING

Publications (2)

Publication Number Publication Date
CN102112211A CN102112211A (zh) 2011-06-29
CN102112211B true CN102112211B (zh) 2013-12-04

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CN200980130027XA Active CN102112211B (zh) 2008-07-31 2009-07-27 NOx存储材料和耐热老化捕集器

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US (1) US9540980B2 (https=)
EP (1) EP2307122B1 (https=)
JP (1) JP5719294B2 (https=)
KR (1) KR101621110B1 (https=)
CN (1) CN102112211B (https=)
AR (1) AR073469A1 (https=)
BR (1) BRPI0916334B1 (https=)
CA (1) CA2732608C (https=)
ES (1) ES2522965T3 (https=)
RU (1) RU2504431C2 (https=)
WO (1) WO2010012677A1 (https=)
ZA (1) ZA201101465B (https=)

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JP7344815B2 (ja) * 2020-02-28 2023-09-14 株式会社Subaru ガソリンリーンバーンエンジン用ｌｎｔ積層触媒、及びこれを用いた排ガス浄化装置
JP7355775B2 (ja) * 2021-03-05 2023-10-03 トヨタ自動車株式会社 排ガス浄化用触媒
JP7600910B2 (ja) * 2021-07-06 2024-12-17 トヨタ自動車株式会社 排ガス浄化用触媒
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