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FR2836069B1 - Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment - Google Patents

Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment

Info

Publication number
FR2836069B1
FR2836069B1 FR0201950A FR0201950A FR2836069B1 FR 2836069 B1 FR2836069 B1 FR 2836069B1 FR 0201950 A FR0201950 A FR 0201950A FR 0201950 A FR0201950 A FR 0201950A FR 2836069 B1 FR2836069 B1 FR 2836069B1
Authority
FR
France
Prior art keywords
treatment
exhaust gases
device usable
motors operating
low mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0201950A
Other languages
English (en)
Other versions
FR2836069A1 (fr
Inventor
Brice Ottaviani
Christian Sarda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Systemes dEchappement SAS
Original Assignee
Faurecia Systemes dEchappement SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Faurecia Systemes dEchappement SAS filed Critical Faurecia Systemes dEchappement SAS
Priority to FR0201950A priority Critical patent/FR2836069B1/fr
Priority to EP03722657A priority patent/EP1474220A2/fr
Priority to PCT/FR2003/000493 priority patent/WO2003068388A2/fr
Priority to AU2003229826A priority patent/AU2003229826A1/en
Publication of FR2836069A1 publication Critical patent/FR2836069A1/fr
Application granted granted Critical
Publication of FR2836069B1 publication Critical patent/FR2836069B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • 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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • 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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0201950A 2002-02-15 2002-02-15 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment Expired - Fee Related FR2836069B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0201950A FR2836069B1 (fr) 2002-02-15 2002-02-15 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment
EP03722657A EP1474220A2 (fr) 2002-02-15 2003-02-14 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment
PCT/FR2003/000493 WO2003068388A2 (fr) 2002-02-15 2003-02-14 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment
AU2003229826A AU2003229826A1 (en) 2002-02-15 2003-02-14 Device for use in treatment of exhaust gases particularly from engines operating with a weak mixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0201950A FR2836069B1 (fr) 2002-02-15 2002-02-15 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment

Publications (2)

Publication Number Publication Date
FR2836069A1 FR2836069A1 (fr) 2003-08-22
FR2836069B1 true FR2836069B1 (fr) 2007-02-23

Family

ID=27636224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0201950A Expired - Fee Related FR2836069B1 (fr) 2002-02-15 2002-02-15 Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment

Country Status (4)

Country Link
EP (1) EP1474220A2 (fr)
AU (1) AU2003229826A1 (fr)
FR (1) FR2836069B1 (fr)
WO (1) WO2003068388A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1920831B1 (fr) * 2006-11-08 2020-06-03 Nissan Motor Co., Ltd. Catalyseur à base d'oxydes mixtes pour l'oxydation de particules fines
US9744529B2 (en) 2014-03-21 2017-08-29 Basf Corporation Integrated LNT-TWC catalyst

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69503527T2 (de) * 1994-01-20 1999-04-29 Toyota Jidosha K.K., Toyota, Aichi Katalysator zur Reinigung von Abgasen
US5750082A (en) * 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
FR2748740B1 (fr) * 1996-05-15 1998-08-21 Rhone Poulenc Chimie Composition a base d'oxyde de cerium et d'oxyde de zirconium a haute surface specifique et a capacite elevee de stockage d'oxygene, procede de preparation et utilisation en catalyse
JP3956437B2 (ja) * 1996-09-26 2007-08-08 マツダ株式会社 排気ガス浄化用触媒
JP2000102728A (ja) * 1998-09-29 2000-04-11 Mazda Motor Corp 排気ガス浄化用触媒

Also Published As

Publication number Publication date
AU2003229826A1 (en) 2003-09-04
FR2836069A1 (fr) 2003-08-22
EP1474220A2 (fr) 2004-11-10
WO2003068388A2 (fr) 2003-08-21
AU2003229826A8 (en) 2003-09-04
WO2003068388A3 (fr) 2004-04-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20121031