FR2865662B1 - Catalyseur d'epuration de gaz d'echappement - Google Patents

Catalyseur d'epuration de gaz d'echappement

Info

Publication number
FR2865662B1
FR2865662B1 FR0500956A FR0500956A FR2865662B1 FR 2865662 B1 FR2865662 B1 FR 2865662B1 FR 0500956 A FR0500956 A FR 0500956A FR 0500956 A FR0500956 A FR 0500956A FR 2865662 B1 FR2865662 B1 FR 2865662B1
Authority
FR
France
Prior art keywords
catalyst
exhaust gas
gas purification
purification
exhaust
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
FR0500956A
Other languages
English (en)
Other versions
FR2865662A1 (fr
Inventor
Kohei Yoshida
Shinya Hirota
Yasuaki Nakano
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 FR2865662A1 publication Critical patent/FR2865662A1/fr
Application granted granted Critical
Publication of FR2865662B1 publication Critical patent/FR2865662B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B01D53/949—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing sulfur oxides
    • 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
    • B01J37/024—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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group 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
    • B01D2255/202—Alkali 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
    • B01D2255/204—Alkaline earth metals
    • 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
    • B01D2255/91—NOx-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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • 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)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0500956A 2004-02-02 2005-01-31 Catalyseur d'epuration de gaz d'echappement Expired - Fee Related FR2865662B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004025201A JP4543689B2 (ja) 2004-02-02 2004-02-02 排気浄化触媒

Publications (2)

Publication Number Publication Date
FR2865662A1 FR2865662A1 (fr) 2005-08-05
FR2865662B1 true FR2865662B1 (fr) 2006-10-27

Family

ID=34747388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0500956A Expired - Fee Related FR2865662B1 (fr) 2004-02-02 2005-01-31 Catalyseur d'epuration de gaz d'echappement

Country Status (4)

Country Link
US (1) US20050170954A1 (fr)
JP (1) JP4543689B2 (fr)
DE (1) DE102005004621A1 (fr)
FR (1) FR2865662B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3938136B2 (ja) * 2003-10-29 2007-06-27 トヨタ自動車株式会社 圧縮着火式内燃機関の排気浄化装置
JP2007231918A (ja) * 2006-03-03 2007-09-13 Toyota Motor Corp 圧縮着火式内燃機関の排気浄化装置
JP4432923B2 (ja) 2006-03-23 2010-03-17 トヨタ自動車株式会社 圧縮着火式内燃機関の排気浄化装置
JP4404061B2 (ja) 2006-03-23 2010-01-27 トヨタ自動車株式会社 圧縮着火式内燃機関の排気浄化装置
JP4840274B2 (ja) * 2007-07-11 2011-12-21 トヨタ自動車株式会社 燃料やオイル中の硫黄濃度検出方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605559B2 (ja) * 1992-12-03 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
WO1994012778A1 (fr) * 1992-12-03 1994-06-09 Toyota Jidosha Kabushiki Kaisha Epurateur de gaz d'echappement pour moteurs a combustion interne
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
JPH0957099A (ja) * 1995-08-28 1997-03-04 Toyota Motor Corp ディーゼルエンジン用排ガス浄化触媒
JPH09155205A (ja) * 1995-12-08 1997-06-17 Toyota Motor Corp ディーゼル排ガス用酸化触媒
JP3522957B2 (ja) * 1996-03-19 2004-04-26 トヨタ自動車株式会社 排ガス浄化用触媒
EP0892159A3 (fr) * 1997-07-17 2000-04-26 Hitachi, Ltd. Dispositif et procédé d' épuration de gaz d' échappement pour moteurs à combustion interne
JP3924946B2 (ja) * 1997-09-25 2007-06-06 マツダ株式会社 排気ガス浄化材
JP3303799B2 (ja) * 1998-10-06 2002-07-22 三菱自動車工業株式会社 排ガス浄化装置
DE19854794A1 (de) * 1998-11-27 2000-05-31 Degussa Katalysator für die Reinigung der Abgase eines Dieselmotors
JP3680650B2 (ja) * 1999-01-25 2005-08-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2000325787A (ja) * 1999-05-21 2000-11-28 Toyota Motor Corp 排ガス浄化用触媒の製造方法
JP2001070790A (ja) * 1999-09-02 2001-03-21 Toyota Motor Corp 排気ガス浄化用触媒
JP2001113172A (ja) * 1999-10-15 2001-04-24 Toyota Motor Corp 排気ガス浄化用触媒
JP4144174B2 (ja) * 2000-10-25 2008-09-03 トヨタ自動車株式会社 排ガス浄化装置
US20030175192A1 (en) * 2001-01-26 2003-09-18 Engelhard Corporation SOx trap for enhancing NOx trap performance and methods of making and using the same
US7291576B2 (en) * 2003-12-30 2007-11-06 Ford Global Technologies, Llc SOx trap for diesel and lean-burn gasoline automotive applications

Also Published As

Publication number Publication date
FR2865662A1 (fr) 2005-08-05
DE102005004621A1 (de) 2005-09-29
US20050170954A1 (en) 2005-08-04
JP4543689B2 (ja) 2010-09-15
JP2005211862A (ja) 2005-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110930