DE69622453D1 - Katalysator zur Behandlung von Kraftwagenabgasen - Google Patents

Katalysator zur Behandlung von Kraftwagenabgasen

Info

Publication number
DE69622453D1
DE69622453D1 DE69622453T DE69622453T DE69622453D1 DE 69622453 D1 DE69622453 D1 DE 69622453D1 DE 69622453 T DE69622453 T DE 69622453T DE 69622453 T DE69622453 T DE 69622453T DE 69622453 D1 DE69622453 D1 DE 69622453D1
Authority
DE
Germany
Prior art keywords
treatment
exhaust gases
catalytic converter
automobile exhaust
automobile
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
DE69622453T
Other languages
English (en)
Other versions
DE69622453T2 (de
Inventor
Tetsuya Yamashita
Shinichi Takeshima
Toshiaki Tanaka
Satomi Itakura
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
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69622453D1 publication Critical patent/DE69622453D1/de
Application granted granted Critical
Publication of DE69622453T2 publication Critical patent/DE69622453T2/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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • B01J23/38—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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • 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
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
    • 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)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69622453T 1995-03-10 1996-03-08 Katalysator zur Behandlung von Kraftwagenabgasen Expired - Lifetime DE69622453T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05140595A JP3362546B2 (ja) 1995-03-10 1995-03-10 排ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69622453D1 true DE69622453D1 (de) 2002-08-29
DE69622453T2 DE69622453T2 (de) 2003-05-08

Family

ID=12886035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622453T Expired - Lifetime DE69622453T2 (de) 1995-03-10 1996-03-08 Katalysator zur Behandlung von Kraftwagenabgasen

Country Status (4)

Country Link
US (1) US5849661A (de)
EP (1) EP0730901B1 (de)
JP (1) JP3362546B2 (de)
DE (1) DE69622453T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3387290B2 (ja) * 1995-10-02 2003-03-17 トヨタ自動車株式会社 排ガス浄化用フィルター
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
JP4123644B2 (ja) * 1999-06-22 2008-07-23 トヨタ自動車株式会社 排ガス浄化触媒
US20070066480A1 (en) * 1999-10-25 2007-03-22 Moser William R Method of preparing compounds using cavitation and compounds formed therefrom
MXPA02006924A (es) * 2000-01-14 2004-11-12 Worcester Polytech Inst Metodo de preparacion de compuestos utilizando la cavitacion y compuestos preparados a partir del mismo.
WO2001064341A1 (fr) * 2000-02-29 2001-09-07 Ngk Insulators, Ltd. Catalyseur en nid d'abeille et procede de fabrication
US6586650B2 (en) * 2000-07-21 2003-07-01 Exxonmobil Research And Engineering Company Ring opening with group VIII metal catalysts supported on modified substrate
GB0022786D0 (en) 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
IT1319258B1 (it) * 2000-10-31 2003-09-26 Sued Chemie Mt Srl Catalizzatore per la idrodeclorurazione del tetracloruro di carbonio acloroformio.
GB0028198D0 (en) * 2000-11-20 2001-01-03 Johnson Matthey Plc High temperature nox-trap component
JP2002253968A (ja) * 2001-03-02 2002-09-10 Toyota Central Res & Dev Lab Inc 排ガス浄化用触媒
DE10114328A1 (de) * 2001-03-23 2002-10-02 Emitec Emissionstechnologie Verfahren zum Auftragen von Washcoat auf einen Wabenkörper
JP2002355561A (ja) * 2001-03-26 2002-12-10 Mazda Motor Corp 排気ガス浄化用触媒、及び排気ガス浄化方法
US6756338B2 (en) * 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
EP1748834A1 (de) 2004-04-16 2007-02-07 HTE Aktiengesellschaft The High Throughput Experimentation Company Verfahren zur entfernung von schadstoffen aus abgasen von verbrennungsmotoren
JP2005305338A (ja) * 2004-04-22 2005-11-04 Toyota Motor Corp 排ガス浄化触媒及びその製造方法
KR100741788B1 (ko) * 2005-11-10 2007-07-24 엘지전자 주식회사 연료 전지의 수성 전이 반응용 촉매 및 그 제조 방법
CN100425325C (zh) * 2006-06-26 2008-10-15 马春强 一种高尘复合scr烟气脱硝工艺及脱硝催化反应装置
US20090263303A1 (en) * 2007-10-16 2009-10-22 Aspen Products Group, Inc. Purification Device and Method for Purifying a Fluid Stream
JP2012108000A (ja) * 2010-11-17 2012-06-07 Toshiba Corp 放射性気体廃棄物処理施設の再結合器用触媒、及びその製造方法
RU2461413C1 (ru) * 2011-02-08 2012-09-20 Государственное образовательное учреждение высшего профессионального образования "Российский химико-технологический университет им. Д.И. Менделеева (РХТУ им. Д.И. Менделеева) СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРA Ag/SiO2 ДЛЯ ГЕТЕРОГЕННОГО КАТАЛИЗА МОЛЕКУЛЯРНОГО ВОДОРОДА В РЕАКЦИЯХ ИЗОТОПНОГО ОБМЕНА ПРОТИЯ-ДЕЙТЕРИЯ И ОРТО-ПАРА КОНВЕРСИИ ПРОТИЯ
RU2461412C1 (ru) * 2011-02-08 2012-09-20 Государственное образовательное учреждение высшего профессионального образования "Российский химико-технологический университет им. Д.И. Менделеева (РХТУ им. Д.И. Менделеева) СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА Ag/SiO2 ДЛЯ ГЕТЕРОГЕННОГО КАТАЛИЗА МОЛЕКУЛЯРНОГО ВОДОРОДА В РЕАКЦИЯХ ИЗОТОПНОГО ОБМЕНА ПРОТИЯ-ДЕЙТЕРИЯ И ОРТО-ПАРА КОНВЕРСИИ ПРОТИЯ
RU2461425C1 (ru) * 2011-07-14 2012-09-20 Государственное образовательное учреждение высшего профессионального образования "Российский химико-технологический университет им. Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) Способ получения катализатора для орто-пара конверсии протия

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3433956B2 (ja) * 1992-09-21 2003-08-04 トヨタ自動車株式会社 排気ガス浄化方法
JP2605556B2 (ja) * 1992-10-13 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP0604987B1 (de) * 1992-12-28 2002-06-19 National Institute of Advanced Industrial Science and Technology Entfernung von Stickstoffoxiden aus Abgas
WO1995017246A1 (fr) * 1993-12-21 1995-06-29 Toray Industries, Inc. Materiau presentant des caracteristiques d'adsorption selective de materiaux inorganiques et procede de production dudit materiau

Also Published As

Publication number Publication date
EP0730901A1 (de) 1996-09-11
EP0730901B1 (de) 2002-07-24
JPH08243393A (ja) 1996-09-24
DE69622453T2 (de) 2003-05-08
JP3362546B2 (ja) 2003-01-07
US5849661A (en) 1998-12-15

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