ATE246955T1 - Reinigungszusammensetzung für nox enthaltende abgase einer brennkraftmaschine - Google Patents

Reinigungszusammensetzung für nox enthaltende abgase einer brennkraftmaschine

Info

Publication number
ATE246955T1
ATE246955T1 AT00925392T AT00925392T ATE246955T1 AT E246955 T1 ATE246955 T1 AT E246955T1 AT 00925392 T AT00925392 T AT 00925392T AT 00925392 T AT00925392 T AT 00925392T AT E246955 T1 ATE246955 T1 AT E246955T1
Authority
AT
Austria
Prior art keywords
exhaust gases
nox
composition
manganese
active phase
Prior art date
Application number
AT00925392T
Other languages
English (en)
Inventor
Christophe Bouly
Thierry Pontier
Christian Sarda
Thierry Birchem
Catherine Hedouin
Thierry Seguelong
Najat Moral
Marc Guyon
Christian Bert
Original Assignee
Rhodia Chimie Sa
Faurecia Sys Echappement
Renault Sa
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 Rhodia Chimie Sa, Faurecia Sys Echappement, Renault Sa filed Critical Rhodia Chimie Sa
Application granted granted Critical
Publication of ATE246955T1 publication Critical patent/ATE246955T1/de

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
    • B01D53/9404—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
    • 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]
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01D2255/2042—Barium
    • 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
    • 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9022—Two layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • 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
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
AT00925392T 1999-05-07 2000-05-04 Reinigungszusammensetzung für nox enthaltende abgase einer brennkraftmaschine ATE246955T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905869A FR2793163B1 (fr) 1999-05-07 1999-05-07 Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne
PCT/FR2000/001208 WO2000067883A1 (fr) 1999-05-07 2000-05-04 COMPOSITION D'EPURATION AVEC TRAITEMENT DES NOx DES GAZ D'ECHAPPEMENT D'UN MOTEUR A COMBUSTION INTERNE

Publications (1)

Publication Number Publication Date
ATE246955T1 true ATE246955T1 (de) 2003-08-15

Family

ID=9545365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00925392T ATE246955T1 (de) 1999-05-07 2000-05-04 Reinigungszusammensetzung für nox enthaltende abgase einer brennkraftmaschine

Country Status (7)

Country Link
US (1) US6852666B1 (de)
EP (1) EP1177034B1 (de)
AT (1) ATE246955T1 (de)
AU (1) AU4413200A (de)
DE (1) DE60004515T2 (de)
FR (1) FR2793163B1 (de)
WO (1) WO2000067883A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0022786D0 (en) 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
WO2003011438A1 (en) * 2001-07-30 2003-02-13 Valtion Teknillinen Tutkimuskeskus Method for catalytic reduction of nitrogen oxides and catalyst for use therein
US6727202B2 (en) * 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
US6756338B2 (en) 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
FR2852591B1 (fr) * 2003-03-18 2006-06-16 Rhodia Elect & Catalysis Composition a base d'oxyde de zirconium et d'oxyde de cerium a temperature maximale de reductibilite reduite, son procede de preparation et son utilisation comme catalyseur
US7749474B2 (en) * 2004-08-12 2010-07-06 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US7137249B2 (en) * 2004-08-12 2006-11-21 Ford Global Technologies, Llc Thermally stable lean nox trap
US7622095B2 (en) * 2004-08-12 2009-11-24 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US20060035782A1 (en) * 2004-08-12 2006-02-16 Ford Global Technologies, Llc PROCESSING METHODS AND FORMULATIONS TO ENHANCE STABILITY OF LEAN-NOx-TRAP CATALYSTS BASED ON ALKALI- AND ALKALINE-EARTH-METAL COMPOUNDS
US7811961B2 (en) * 2004-08-12 2010-10-12 Ford Global Technologies, Llc Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
JP3852466B2 (ja) * 2004-11-30 2006-11-29 いすゞ自動車株式会社 ＮＯｘ浄化システム
FR2890577B1 (fr) * 2005-09-12 2009-02-27 Rhodia Recherches & Tech Procede de traitement d'un gaz contenant des oxydes d'azote (nox), utilisant comme piege a nox une composition a base d'oxyde de zirconium et d'oxyde de praseodyme
US8067332B2 (en) * 2006-05-03 2011-11-29 Samsung Sdi Co., Ltd. Methanation catalyst, and carbon monoxide removing system, fuel processor, and fuel cell including the same
US8193114B2 (en) * 2006-11-15 2012-06-05 Basf Catalysts Llc Catalysts for dual oxidation of ammonia and carbon monoxide with low to no NOx formation
US7673446B2 (en) * 2007-01-29 2010-03-09 Caterpillar Inc. Dual path exhaust emission control system
EP1974809B1 (de) * 2007-03-19 2010-09-29 Umicore AG & Co. KG Doppelschichtiger Dreiweg-Katalysator
FR2953821B1 (fr) * 2009-12-11 2013-01-25 Inst Francais Du Petrole Materiaux pour la separation a haute temperature de l'oxygene, notamment oxydes de manganese a structure lamellaire, et procede pour produire de l'oxygene a partir de tels materiaux
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
CN104001507B (zh) * 2013-06-09 2016-12-28 杭州尹力环保科技有限公司 一种脱氧催化剂及其制备方法
DE102015209987A1 (de) * 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
CA2989133C (en) * 2015-06-12 2023-12-05 Basf Corporation Exhaust gas treatment system
US11208934B2 (en) 2019-02-25 2021-12-28 Cummins Emission Solutions Inc. Systems and methods for mixing exhaust gas and reductant
CN110201707A (zh) * 2019-05-17 2019-09-06 昆明贵研催化剂有限责任公司 用于当量燃烧间歇性氧过多工况下的NOx净化三效催化剂及其制备方法
US12042781B2 (en) * 2022-02-03 2024-07-23 Johnson Matthey Public Limited Company Surface-modified ceria-zirconia mixed oxide compound for gasoline exhaust

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Publication number Priority date Publication date Assignee Title
US5057482A (en) * 1988-12-15 1991-10-15 Matsushita Electric Industrial Co., Ltd. Catalytic composite for purifying exhaust gases and a method for preparing the same
JPH03161052A (ja) * 1989-11-17 1991-07-11 Matsushita Electric Ind Co Ltd 排気ガス浄化触媒体およびその製造方法
EP0613714B1 (de) * 1993-01-11 2001-07-04 Toyota Jidosha Kabushiki Kaisha Verfahren zur Reinigung von Abgasen
DE4403367C2 (de) * 1993-02-04 2002-01-24 Nippon Catalytic Chem Ind Verwendung eines Adsorbens zum Entfernen von Stickstoffoxiden
JPH0975741A (ja) * 1995-09-11 1997-03-25 Nissan Motor Co Ltd 排ガス浄化用触媒
FR2738756B1 (fr) * 1995-09-20 1998-12-11 Rhone Poulenc Chimie Procede de traitement de gaz, a teneur elevee en oxygene en vue de la reduction des emissions des oxydes d'azote, utilisant une composition catalytique comprenant de l'oxyde de manganese et de l'oxyde de cerium et/ou de zirconium
US6548032B1 (en) * 1995-09-20 2003-04-15 Rhodia Chimie Process for the treatment of gases with high oxygen content, with a view to controlling nitrogen oxide emissions, using a catalytic composition comprising cerium oxide and/or zirconium oxide
US5750082A (en) * 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
US5837212A (en) * 1995-09-21 1998-11-17 Ford Global Technologies, Inc. Potassium/manganese nitrogen oxide traps for lean-burn engine operation
US5906958A (en) * 1995-10-14 1999-05-25 Samsung Electro-Mechanics Co., Ltd. Catalyst for purifying automobile exhausts and method of manufacturing the catalyst
JP3493879B2 (ja) * 1996-03-22 2004-02-03 日産自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
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
JP4142107B2 (ja) * 1996-10-15 2008-08-27 ローディア レアー アースズ インコーポレイティド 排気ガス系の触媒反応用の熱安定性の向上したセリウムとジルコニウムの酸化物、混合酸化物及び固溶体並びに製造方法
DE19724545A1 (de) * 1997-06-11 1998-12-24 Basf Ag Speicherkatalysator
FR2765492B1 (fr) * 1997-07-03 1999-09-17 Rhodia Chimie Sa Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote utilisant une composition catalytique avec un support a base de silice et d'oxyde de titane
JPH11114424A (ja) * 1997-10-14 1999-04-27 Isuzu Ceramics Res Inst Co Ltd 排ガス浄化用触媒
FR2770790B1 (fr) * 1997-11-10 1999-12-10 Rhodia Chimie Sa Composition a support a base d'un oxyde de cerium, d'un oxyde de zirconium et d'un oxyde de scandium ou de terre rare et utilisation pour le traitement des gaz d'echappement
FR2771306B1 (fr) * 1997-11-25 2000-02-04 Rhodia Chimie Sa Composition a base de manganese et utilisation comme piege a nox pour le traitement de gaz d'echappement
US20020048542A1 (en) * 1999-04-02 2002-04-25 Michel Deeba Catalytic trap and methods of making and using the same

Also Published As

Publication number Publication date
AU4413200A (en) 2000-11-21
DE60004515D1 (de) 2003-09-18
US6852666B1 (en) 2005-02-08
FR2793163B1 (fr) 2001-08-10
WO2000067883A1 (fr) 2000-11-16
DE60004515T2 (de) 2004-06-17
EP1177034B1 (de) 2003-08-13
FR2793163A1 (fr) 2000-11-10
EP1177034A1 (de) 2002-02-06

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