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DE69503527D1 - Katalysator zur Reinigung von Abgasen - Google Patents

Katalysator zur Reinigung von Abgasen

Info

Publication number
DE69503527D1
DE69503527D1 DE69503527T DE69503527T DE69503527D1 DE 69503527 D1 DE69503527 D1 DE 69503527D1 DE 69503527 T DE69503527 T DE 69503527T DE 69503527 T DE69503527 T DE 69503527T DE 69503527 D1 DE69503527 D1 DE 69503527D1
Authority
DE
Germany
Prior art keywords
exhaust gases
catalytic converter
cleaning exhaust
cleaning
catalytic
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 - Lifetime
Application number
DE69503527T
Other languages
English (en)
Other versions
DE69503527T2 (de
Inventor
Hiromasa Suzuki
Naoto Miyoshi
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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
Priority claimed from JP00443694A external-priority patent/JP3374999B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Application granted granted Critical
Publication of DE69503527D1 publication Critical patent/DE69503527D1/de
Publication of DE69503527T2 publication Critical patent/DE69503527T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B01D2255/207—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
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • 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
    • B01D2255/20746—Cobalt
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • 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)
  • Combustion & Propulsion (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69503527T 1994-01-20 1995-01-10 Katalysator zur Reinigung von Abgasen Expired - Lifetime DE69503527T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00443694A JP3374999B2 (ja) 1993-10-14 1994-01-20 排気ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69503527D1 true DE69503527D1 (de) 1998-08-27
DE69503527T2 DE69503527T2 (de) 1999-04-29

Family

ID=11584187

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503527T Expired - Lifetime DE69503527T2 (de) 1994-01-20 1995-01-10 Katalysator zur Reinigung von Abgasen

Country Status (3)

Country Link
US (2) US5849254A (de)
EP (1) EP0664147B1 (de)
DE (1) DE69503527T2 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
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JP3358766B2 (ja) * 1994-12-16 2002-12-24 トヨタ自動車株式会社 排ガス浄化用触媒
DE19516920A1 (de) * 1995-05-09 1996-11-14 Daimler Benz Ag Material und Verfahren zur Adsorprtion und Desorption von Stickoxiden in Abgasen
JP3375790B2 (ja) * 1995-06-23 2003-02-10 日本碍子株式会社 排ガス浄化システム及び排ガス浄化方法
JP3899534B2 (ja) * 1995-08-14 2007-03-28 トヨタ自動車株式会社 ディーゼル機関の排気浄化方法
DE19534497A1 (de) * 1995-09-18 1997-03-20 Basf Ag Schalenkatalysatoren
US5727385A (en) * 1995-12-08 1998-03-17 Ford Global Technologies, Inc. Lean-burn nox catalyst/nox trap system
EP0811418B1 (de) * 1996-06-06 2002-11-27 Volkswagen Aktiengesellschaft Abgaskatalysator
CA2257949C (en) * 1996-06-10 2003-02-11 Hitachi, Ltd. Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine
JP3956437B2 (ja) * 1996-09-26 2007-08-08 マツダ株式会社 排気ガス浄化用触媒
DE19640161A1 (de) * 1996-09-28 1998-04-02 Volkswagen Ag NOx-Abgasreinigungsverfahren
JP3965711B2 (ja) 1996-10-25 2007-08-29 株式会社日立製作所 窒素酸化物の浄化触媒及び浄化方法
DE19721440A1 (de) * 1997-05-21 1998-11-26 Degussa Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür
DE19724545A1 (de) 1997-06-11 1998-12-24 Basf Ag Speicherkatalysator
GB9713428D0 (en) 1997-06-26 1997-08-27 Johnson Matthey Plc Improvements in emissions control
EP0892159A3 (de) * 1997-07-17 2000-04-26 Hitachi, Ltd. Abgasreiningungsvorrichtung und -Verfahren einer Brennkraftmaschine
JP3924946B2 (ja) * 1997-09-25 2007-06-06 マツダ株式会社 排気ガス浄化材
JPH11169668A (ja) * 1997-12-15 1999-06-29 Sumitomo Electric Ind Ltd 排ガス浄化装置及びその製造方法
US8833062B1 (en) 2013-03-15 2014-09-16 Daimier Ag Catalytic reduction of NOx
GB9802504D0 (en) 1998-02-06 1998-04-01 Johnson Matthey Plc Improvements in emission control
KR100326747B1 (ko) * 1998-03-09 2002-03-13 하나와 요시카즈 산소 과잉 배기 가스의 정화 장치
US6033640A (en) * 1998-05-27 2000-03-07 Electric Power Research Institute, Inc. Method for the reagentless removal of nitrogen oxides from exhaust streams
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
US6350421B1 (en) 1998-08-24 2002-02-26 Dmc2 Degussa Metals Catalysts Cerdec Ag Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefrom
JP4012320B2 (ja) * 1998-10-15 2007-11-21 株式会社アイシーティー 希薄燃焼エンジン用排気ガス浄化用触媒
US6855297B2 (en) * 1998-11-16 2005-02-15 Honeywell International Inc. NOx filter
DE19908023A1 (de) * 1999-02-25 2000-08-31 Dornier Gmbh Verfahren und Element zur Speicherung von in einem Gas enthaltenen Stickoxiden
US6375910B1 (en) * 1999-04-02 2002-04-23 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
EP1078678B8 (de) * 1999-08-20 2010-02-17 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Katalysator zur Reinigung von Abgasen
KR100755628B1 (ko) * 1999-08-23 2007-09-04 엥겔하드 코포레이션 칼륨 성분을 포함하는 촉매 트랩 및 이의 사용 방법
JP2001113172A (ja) * 1999-10-15 2001-04-24 Toyota Motor Corp 排気ガス浄化用触媒
JP3743995B2 (ja) * 1999-12-15 2006-02-08 日産自動車株式会社 メタノール改質触媒
US6391822B1 (en) * 2000-02-09 2002-05-21 Delphi Technologies, Inc. Dual NOx adsorber catalyst system
EP1174173B1 (de) * 2000-07-17 2013-03-20 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Abgasreinigungskatalysator
JP4075292B2 (ja) * 2000-07-24 2008-04-16 トヨタ自動車株式会社 パティキュレート浄化触媒
JP3715211B2 (ja) * 2000-09-07 2005-11-09 本田技研工業株式会社 内燃機関の排気浄化装置
EP1250952A1 (de) * 2001-04-18 2002-10-23 OMG AG & Co. KG Katalysator sowie Filter und Verfahren zur Beseitigung von Russpartikeln aus dem Abgas eines Dieselmotors
US6887438B2 (en) * 2000-12-21 2005-05-03 Delphi Technologies, Inc. NOx control
US6670296B2 (en) * 2001-01-11 2003-12-30 Delphi Technologies, Inc. Alumina/zeolite lean NOx catalyst
NL1017245C2 (nl) * 2001-01-31 2002-08-01 Stichting Energie Werkwijze voor het gelijktijdig verwijderen van stikstofoxiden en lachgas uit een stikstofoxiden en lachgas bevattende gasstroom.
DE60219560T2 (de) * 2001-02-26 2008-01-03 Mitsubishi Jidosha Kogyo K.K. Katalysator zur abgasreinigung
US6624113B2 (en) * 2001-03-13 2003-09-23 Delphi Technologies, Inc. Alkali metal/alkaline earth lean NOx catalyst
GB2376903A (en) * 2001-04-05 2002-12-31 Johnson Matthey Plc Nitrogen oxides emission control under lean-burn conditions
US6777370B2 (en) * 2001-04-13 2004-08-17 Engelhard Corporation SOx tolerant NOx trap catalysts and methods of making and using the same
US6727202B2 (en) 2001-08-21 2004-04-27 Engelhard Corporation Enhanced NOx trap having increased durability
US20030039597A1 (en) * 2001-08-24 2003-02-27 Engelhard Corporation Close coupled catalyst with a SOx trap and methods of making and using the same
US6930073B2 (en) 2001-11-05 2005-08-16 Delphi Technologies, Inc. NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions
JP3965676B2 (ja) * 2001-12-27 2007-08-29 日産自動車株式会社 排ガス浄化用触媒及び排ガス浄化システム
US7084086B2 (en) * 2002-02-01 2006-08-01 Cataler Corporation Catalyst for purifying exhaust gases
FR2836068B1 (fr) * 2002-02-15 2005-01-21 Rhodia Elect & Catalysis Composition catalytique a base de deux catalyseurs utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment
FR2836069B1 (fr) * 2002-02-15 2007-02-23 Faurecia Sys Echappement Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment
WO2005000445A1 (ja) * 2003-06-10 2005-01-06 Ibiden Co., Ltd. ハニカム構造体
WO2005005018A1 (ja) * 2003-07-15 2005-01-20 Ibiden Co., Ltd. ハニカム構造体
US7375056B2 (en) * 2003-07-23 2008-05-20 Unicore Ag & Co. Kg Method of making a NOx adsorber catalyst
JP4503304B2 (ja) * 2004-01-29 2010-07-14 株式会社キャタラー 排ガス浄化用触媒
US7541012B2 (en) * 2004-07-07 2009-06-02 The Hong Kong University Of Science And Technology Catalytic material and method of production thereof
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
JP4768260B2 (ja) * 2004-12-27 2011-09-07 株式会社キャタラー 排ガス浄化用触媒
JP2006326495A (ja) * 2005-05-26 2006-12-07 Toyota Motor Corp 排ガス浄化用触媒
JP2008168228A (ja) * 2007-01-12 2008-07-24 Okayama Univ 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法
US20130217566A1 (en) * 2007-01-17 2013-08-22 Wgch Technology Limited (C/O World Gold Council) Palladium and gold catalysts
JP4793316B2 (ja) * 2007-04-20 2011-10-12 トヨタ自動車株式会社 硫黄吸蔵触媒
CN102256701B (zh) * 2008-12-19 2014-04-09 株式会社科特拉 废气净化用催化剂
KR101448734B1 (ko) * 2009-03-09 2014-10-08 현대자동차 주식회사 질소 산화물 저감 촉매 및 이를 이용한 배기 장치
US8850802B1 (en) 2013-03-15 2014-10-07 Daimler Ag Catalytic reduction of NOx
US10543470B2 (en) * 2017-04-28 2020-01-28 Intramicron, Inc. Reactors and methods for processes involving partial oxidation reactions

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JP3328318B2 (ja) * 1992-05-22 2002-09-24 トヨタ自動車株式会社 排気ガスの浄化方法

Also Published As

Publication number Publication date
DE69503527T2 (de) 1999-04-29
EP0664147A2 (de) 1995-07-26
EP0664147A3 (de) 1996-10-02
US6217831B1 (en) 2001-04-17
US5849254A (en) 1998-12-15
EP0664147B1 (de) 1998-07-22

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Legal Events

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