DE69932387D1 - Stickoxidfallenkatalysator für Verbrennungskraftmaschinen mit Magergemischverbrennung - Google Patents

Stickoxidfallenkatalysator für Verbrennungskraftmaschinen mit Magergemischverbrennung

Info

Publication number
DE69932387D1
DE69932387D1 DE69932387T DE69932387T DE69932387D1 DE 69932387 D1 DE69932387 D1 DE 69932387D1 DE 69932387 T DE69932387 T DE 69932387T DE 69932387 T DE69932387 T DE 69932387T DE 69932387 D1 DE69932387 D1 DE 69932387D1
Authority
DE
Germany
Prior art keywords
nitrogen oxide
lean burn
trap catalyst
internal combustion
oxide trap
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
DE69932387T
Other languages
English (en)
Other versions
DE69932387T2 (de
Inventor
Robert J Kudla
Mohinder S Chattha
William Henderson Watkins
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of DE69932387D1 publication Critical patent/DE69932387D1/de
Application granted granted Critical
Publication of DE69932387T2 publication Critical patent/DE69932387T2/de
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
    • B01D53/9404—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
    • B01J23/38—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
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—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
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
    • 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
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/206—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
    • B01D2255/20715—Zirconium
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
DE69932387T 1998-08-17 1999-08-16 Stickoxidfallenkatalysator für Verbrennungskraftmaschinen mit Magergemischverbrennung Expired - Fee Related DE69932387T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/134,992 US6129898A (en) 1998-08-17 1998-08-17 NOx trap catalyst for lean burn engines
US134992 1998-08-17

Publications (2)

Publication Number Publication Date
DE69932387D1 true DE69932387D1 (de) 2006-08-31
DE69932387T2 DE69932387T2 (de) 2008-01-03

Family

ID=22465997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932387T Expired - Fee Related DE69932387T2 (de) 1998-08-17 1999-08-16 Stickoxidfallenkatalysator für Verbrennungskraftmaschinen mit Magergemischverbrennung

Country Status (4)

Country Link
US (1) US6129898A (de)
EP (1) EP0980707B8 (de)
JP (1) JP2000079327A (de)
DE (1) DE69932387T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6444609B1 (en) * 2000-08-15 2002-09-03 Aer Energy Resources, Inc. Manganese-based oxygen reduction catalyst, metal-air electrode including said catalyst and methods for making the same
GB0028240D0 (en) 2000-11-20 2001-01-03 Johnson Matthey Plc Three-way catalyst composition
US6727202B2 (en) 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
US6553757B1 (en) 2001-11-19 2003-04-29 Ford Global Technologies, Llc NOx purge air/fuel ratio selection
US7329629B2 (en) 2002-10-24 2008-02-12 Ford Global Technologies, Llc Catalyst system for lean burn engines
DE10308571B4 (de) * 2003-02-24 2014-05-08 Volkswagen Ag Verfahren zur Herstellung eines Komposit-Materials für die Speicherung von Stickoxiden, mit dem Verfahren hergestelltes Kompositmaterial sowie seine Verwendung
WO2004096435A1 (en) * 2003-04-29 2004-11-11 Johnson Matthey Public Limited Company Manganese ozone decomposition catalysts and process for its preparation
US20040258611A1 (en) * 2003-06-23 2004-12-23 Mark Barrow Colloidal composite sol gel formulation with an expanded gel network for making thick inorganic coatings
GB0413771D0 (en) * 2004-06-21 2004-07-21 Johnson Matthey Plc Metal oxide sols
GB0413767D0 (en) * 2004-06-21 2004-07-21 Johnson Matthey Plc Metal oxide sols
JP4800853B2 (ja) * 2005-12-28 2011-10-26 株式会社デンソー ガスセンサ素子
CN101596403B (zh) * 2009-06-23 2012-02-01 山东大学 一种金属氧化物催化剂用于选择性催化还原NOx的应用
US10864502B2 (en) * 2013-12-16 2020-12-15 Basf Corporation Manganese-containing diesel oxidation catalyst
US10335776B2 (en) * 2013-12-16 2019-07-02 Basf Corporation Manganese-containing diesel oxidation catalyst
CN107405606B (zh) * 2015-02-09 2021-09-10 巴斯夫公司 柴油机氧化催化剂
JP2021515737A (ja) * 2018-02-15 2021-06-24 住友化学株式会社 無機酸化物
US20210213426A1 (en) * 2018-02-15 2021-07-15 Sumitomo Chemical Company, Limited Inorganic oxide
US10500562B2 (en) * 2018-04-05 2019-12-10 Magnesium Elektron Ltd. Zirconia-based compositions for use in passive NOx adsorber devices
GB2574185B (en) * 2018-04-05 2022-06-29 Magnesium Elektron Ltd Zirconia-Based mixed or composite oxides as passive NOx adsorbents

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US3764562A (en) * 1971-04-12 1973-10-09 Chevron Res Hydrocarbon conversion catalyst
US3873469A (en) * 1972-04-12 1975-03-25 Corning Glass Works Support coatings for catalysts
IT996924B (it) * 1972-12-21 1975-12-10 Glaverbel Procedimento per formare uno strato di ossido metallico
US4018706A (en) * 1975-07-21 1977-04-19 Nippon Shokubai Kagaku Kogyo Co., Ltd. Catalysts for purifying exhaust and waste gases
SE433178B (sv) * 1975-10-31 1984-05-14 Johnson Matthey Co Ltd Katalysator for rening av bilavgaser av den allmenna typen a?71xm?71yo?71z
JPS52122293A (en) * 1976-04-08 1977-10-14 Nippon Shokubai Kagaku Kogyo Co Ltd Catalyst for purifying nox
CA1217927A (en) * 1983-04-15 1987-02-17 Tsutomu Nanao Inorganic composite material and process for preparing the same
JPS62106826A (ja) * 1985-11-06 1987-05-18 Nippon Shokubai Kagaku Kogyo Co Ltd デイ−ゼル排ガス中の窒素酸化物を除去する方法
US4791091A (en) * 1987-09-30 1988-12-13 Allied-Signal Inc. Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst
EP0333037B1 (de) * 1988-03-12 1994-06-22 Igarashi, Akira c/o Kohgakuin University Verfahren zur Dampfreformierung von Kohlenwasserstoffen
US4900712A (en) * 1988-09-30 1990-02-13 Prototech Company Catalytic washcoat and method of preparation of the same
EP0362960A3 (de) * 1988-10-05 1990-06-27 Sakai Chemical Industry Co., Ltd., Anwendung vom Katalysator zur Denitrierung und Denitrierungskatalysatoren
ATE110586T1 (de) * 1989-06-09 1994-09-15 N E Chemcat Corp Abgasreinigungskatalysator mit ausgezeichneter thermischer beständigkeit und verfahren zu seiner herstellung.
TW209182B (de) * 1990-09-29 1993-07-11 Catalyst co ltd
AU650794B2 (en) * 1991-10-03 1994-06-30 Toyota Jidosha Kabushiki Kaisha Device for purifying exhaust of internal combustion engine
JP3098083B2 (ja) * 1991-12-26 2000-10-10 マツダ株式会社 排気ガス浄化用触媒
EP0630422B1 (de) * 1992-03-13 1996-05-08 E.I. Du Pont De Nemours And Company Verfahren zur Herstellung von dünnen Ueberzügen aus anorganischen Oxiden kontrollierter Stöchiometrie
EP0613714B1 (de) * 1993-01-11 2001-07-04 Toyota Jidosha Kabushiki Kaisha Verfahren zur Reinigung von Abgasen
DE4436890A1 (de) * 1994-10-15 1996-04-18 Degussa Verfahren zur gleichzeitigen Verminderung der im Abgas einer Verbrennungskraftmaschine enthaltenen Kohlenwasserstoffe, Kohlenmonoxid und Stickoxide
US5578283A (en) * 1994-12-30 1996-11-26 Engelhard Corporation Catalytic oxidation catalyst and method for controlling VOC, CO and halogenated organic emissions
EP0727248B1 (de) * 1995-02-17 1998-08-19 ICT Co., Ltd. Katalysator zur Reinigung von Dieselmotorabgas
US5727385A (en) * 1995-12-08 1998-03-17 Ford Global Technologies, Inc. Lean-burn nox catalyst/nox trap system
FR2750058B1 (fr) * 1996-06-21 1998-10-16 Rhone Poulenc Chimie Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote

Also Published As

Publication number Publication date
JP2000079327A (ja) 2000-03-21
DE69932387T2 (de) 2008-01-03
EP0980707B1 (de) 2006-07-19
EP0980707B8 (de) 2007-06-13
US6129898A (en) 2000-10-10
EP0980707A1 (de) 2000-02-23

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FORD GLOBAL TECHNOLOGIES, LLC (N.D.GES.D. STAA, US

8339 Ceased/non-payment of the annual fee