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DE69316058D1 - Verfahren zur Reinigung von Abgasen - Google Patents

Verfahren zur Reinigung von Abgasen

Info

Publication number
DE69316058D1
DE69316058D1 DE69316058T DE69316058T DE69316058D1 DE 69316058 D1 DE69316058 D1 DE 69316058D1 DE 69316058 T DE69316058 T DE 69316058T DE 69316058 T DE69316058 T DE 69316058T DE 69316058 D1 DE69316058 D1 DE 69316058D1
Authority
DE
Germany
Prior art keywords
exhaust gas
gas purification
purification process
exhaust
purification
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
DE69316058T
Other languages
English (en)
Other versions
DE69316058T2 (de
Inventor
Hideaki Muraki
Motohisa Saiki
Mariko Adachi
Shinichi Matsumoto
Takaaki Kanazawa
Kenji Katoh
Satoshi Iguchi
Tetsuro Kihara
Syuji Tateishi
Koichi Kasahara
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.)
Cataler Corp
Toyota Motor Corp
Original Assignee
Cataler Industrial Co Ltd
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
Application filed by Cataler Industrial Co Ltd, Toyota Motor Corp filed Critical Cataler Industrial Co Ltd
Application granted granted Critical
Publication of DE69316058D1 publication Critical patent/DE69316058D1/de
Publication of DE69316058T2 publication Critical patent/DE69316058T2/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
    • 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
    • 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • 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
    • 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
    • B01J37/0242—Coating followed by impregnation
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
DE69316058T 1992-03-23 1993-03-22 Verfahren zur Reinigung von Abgasen Expired - Lifetime DE69316058T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09700592A JP3311012B2 (ja) 1992-03-23 1992-03-23 排気ガス浄化用触媒および排気ガス浄化方法

Publications (2)

Publication Number Publication Date
DE69316058D1 true DE69316058D1 (de) 1998-02-12
DE69316058T2 DE69316058T2 (de) 1998-06-04

Family

ID=14180134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316058T Expired - Lifetime DE69316058T2 (de) 1992-03-23 1993-03-22 Verfahren zur Reinigung von Abgasen

Country Status (4)

Country Link
US (1) US5951956A (de)
EP (1) EP0562516B1 (de)
JP (1) JP3311012B2 (de)
DE (1) DE69316058T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3409894B2 (ja) * 1993-11-17 2003-05-26 トヨタ自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒
US6004521A (en) * 1994-02-23 1999-12-21 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gases
JP3391878B2 (ja) * 1994-02-23 2003-03-31 トヨタ自動車株式会社 排気ガス浄化用触媒
CA2151859C (en) 1994-06-17 2002-02-26 Satoshi Inui Catalyst for purifying exhaust gas from lean burn engine and method for purification
JP3511314B2 (ja) * 1994-07-12 2004-03-29 株式会社キャタラー 排気ガス浄化用触媒および排気ガス浄化方法
JP3374569B2 (ja) 1995-01-10 2003-02-04 株式会社日立製作所 排ガス浄化触媒および浄化方法
FR2729090A1 (fr) 1995-01-11 1996-07-12 Inst Francais Du Petrole Catalyseurs de reduction selective des oxydes d'azote en azote en milieu oxydant, procede de preparation et utilisation
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
US5792436A (en) * 1996-05-13 1998-08-11 Engelhard Corporation Method for using a regenerable catalyzed trap
US6165429A (en) * 1997-01-10 2000-12-26 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst and exhaust gas purifying method
DE19819372C2 (de) * 1998-04-30 2000-03-02 Degussa Verfahren zur Verminderung des Stickoxidgehaltes der Abgase eines Verbrennungsmotors
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
EP1223322A1 (de) 1999-10-21 2002-07-17 Kabushiki Kaisha Toyota Chuo Kenkyusho Abgasregelung und verfahren für brennkraftmaschinen
KR100368441B1 (ko) * 2000-01-17 2003-01-24 희성엥겔하드주식회사 휘발성 유기화합물 및 일산화탄소 제거용 산화촉매 조성물
EP1297884A3 (de) * 2001-09-28 2003-04-16 Japan Pionics Co., Ltd. Substanz und Verfahren zur Zersetzung von Fluorkohlenstoffen
JP4765382B2 (ja) 2005-04-18 2011-09-07 トヨタ自動車株式会社 耐熱性を備えた複合酸化物の製法
JP4835027B2 (ja) 2005-04-18 2011-12-14 トヨタ自動車株式会社 複合体の製法
JP4765381B2 (ja) 2005-04-18 2011-09-07 トヨタ自動車株式会社 耐熱性を備えた複合酸化物の製法
JP4175387B2 (ja) 2006-05-31 2008-11-05 トヨタ自動車株式会社 排ガス浄化触媒製造方法
DE102006029668A1 (de) * 2006-06-28 2008-01-03 Süd-Chemie AG Katalysator zur Oxidation von Kohlenwasserstoffen
US7967887B1 (en) * 2006-11-03 2011-06-28 Cummins Filtration Ip, Inc. Exhaust aftertreatment filter with reduced maximum temperature

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111127A (ja) * 1984-06-27 1986-01-18 Reika Kogyo Kk 流体の混合調和方法
JPS61181538A (ja) * 1985-02-06 1986-08-14 Matsushita Electric Ind Co Ltd 排ガス浄化用触媒体
US4624940A (en) * 1985-04-12 1986-11-25 Engelhard Corporation High temperature catalyst compositions for internal combustion engine
JPS62117620A (ja) * 1985-11-19 1987-05-29 Nippon Shokubai Kagaku Kogyo Co Ltd ガソリンエンジン排ガス中の窒素酸化物を除去する方法
JPS62254843A (ja) * 1986-04-28 1987-11-06 Toyota Central Res & Dev Lab Inc 触媒担体
JPS6377543A (ja) * 1986-09-17 1988-04-07 Toyota Motor Corp 排気ガス浄化用触媒
JPH0675676B2 (ja) * 1986-12-24 1994-09-28 トヨタ自動車株式会社 排気ガス浄化用触媒
JPH0626672B2 (ja) * 1987-03-05 1994-04-13 株式会社豊田中央研究所 排気浄化触媒及びその製造方法
JPH0714481B2 (ja) * 1987-07-24 1995-02-22 松下電器産業株式会社 排ガス浄化用触媒
JPH01307432A (ja) * 1988-06-06 1989-12-12 Matsushita Electric Ind Co Ltd 窒素酸化物除去装置
JPH02149346A (ja) * 1988-11-28 1990-06-07 Toyota Motor Corp 排気ガス浄化用触媒
JP3285857B2 (ja) * 1989-07-06 2002-05-27 マツダ株式会社 排気ガス浄化用触媒
JPH0338250A (ja) * 1989-07-06 1991-02-19 Mazda Motor Corp 排気ガス浄化用触媒
JPH0712613B2 (ja) * 1989-07-12 1995-02-15 帝人株式会社 複合成形品の製造方法
JPH0817942B2 (ja) * 1989-08-09 1996-02-28 トヨタ自動車株式会社 排気浄化用触媒の製造方法
US5041407A (en) * 1989-12-14 1991-08-20 Allied-Signal Inc. High-temperature three-way catalyst for treating automotive exhaust gases
US5116800A (en) * 1990-12-11 1992-05-26 Allied-Signal Inc. High durability and exhuast catalyst with low hydrogen sulfide emissions
US5208205A (en) * 1991-10-07 1993-05-04 Ford Motor Company Catalyst system for converting emissions of a lean-burn engine
US5185305A (en) * 1991-11-08 1993-02-09 Ford Motor Company Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine

Also Published As

Publication number Publication date
JPH05261287A (ja) 1993-10-12
EP0562516A1 (de) 1993-09-29
US5951956A (en) 1999-09-14
JP3311012B2 (ja) 2002-08-05
DE69316058T2 (de) 1998-06-04
EP0562516B1 (de) 1998-01-07

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