DE69519115D1 - Katalysator und Verfahren zur Reinigung von Abgasen - Google Patents

Katalysator und Verfahren zur Reinigung von Abgasen

Info

Publication number
DE69519115D1
DE69519115D1 DE69519115T DE69519115T DE69519115D1 DE 69519115 D1 DE69519115 D1 DE 69519115D1 DE 69519115 T DE69519115 T DE 69519115T DE 69519115 T DE69519115 T DE 69519115T DE 69519115 D1 DE69519115 D1 DE 69519115D1
Authority
DE
Germany
Prior art keywords
exhaust gas
gas catalyst
catalyst
exhaust
gas
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
DE69519115T
Other languages
English (en)
Other versions
DE69519115T2 (de
Inventor
Naoto Miyoshi
Tuneyuki Tanizawa
Koichi Kasahara
Syuji Tateishi
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 DE69519115D1 publication Critical patent/DE69519115D1/de
Publication of DE69519115T2 publication Critical patent/DE69519115T2/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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0207—Compounds of Sc, Y or Lanthanides
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group 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
    • B01J23/58—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
    • B01J37/0248—Coatings comprising impregnated particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE69519115T 1994-02-23 1995-02-23 Katalysator und Verfahren zur Reinigung von Abgasen Expired - Lifetime DE69519115T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02532694A JP3391878B2 (ja) 1994-02-23 1994-02-23 排気ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69519115D1 true DE69519115D1 (de) 2000-11-23
DE69519115T2 DE69519115T2 (de) 2001-05-17

Family

ID=12162844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69519115T Expired - Lifetime DE69519115T2 (de) 1994-02-23 1995-02-23 Katalysator und Verfahren zur Reinigung von Abgasen

Country Status (5)

Country Link
EP (1) EP0669157B1 (de)
JP (1) JP3391878B2 (de)
KR (1) KR950024802A (de)
AU (1) AU670727B2 (de)
DE (1) DE69519115T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3516718B2 (ja) * 1994-07-05 2004-04-05 日本碍子株式会社 排ガス浄化用触媒−吸着体及び排ガス浄化方法
US6667018B2 (en) 1994-07-05 2003-12-23 Ngk Insulators, Ltd. Catalyst-adsorbent for purification of exhaust gases and method for purification of exhaust gases
US5750082A (en) * 1995-09-21 1998-05-12 Ford Global Technologies, Inc. Nox trap with improved performance
US20040086441A1 (en) 1995-12-06 2004-05-06 Masao Hori Process for purifying exhaust gas from gasoline engines
KR100408502B1 (ko) * 1996-07-23 2004-02-14 삼성전기주식회사 자동차배기가스정화용촉매
DE19640161A1 (de) * 1996-09-28 1998-04-02 Volkswagen Ag NOx-Abgasreinigungsverfahren
US6165429A (en) * 1997-01-10 2000-12-26 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst and exhaust gas purifying method
GB9713428D0 (en) * 1997-06-26 1997-08-27 Johnson Matthey Plc Improvements in emissions control
JPH11128687A (ja) * 1997-10-24 1999-05-18 Petroleum Energy Center Found 排ガス浄化方法
US6021638A (en) 1997-11-24 2000-02-08 Engelhard Corporation Engine management strategy to improve the ability of a catalyst to withstand severe operating enviroments
JP3741303B2 (ja) * 1997-12-08 2006-02-01 トヨタ自動車株式会社 排ガス浄化用触媒
JP3956273B2 (ja) 1997-12-22 2007-08-08 トヨタ自動車株式会社 排ガス浄化用触媒とその製造方法及び排ガス浄化方法
DE19803799B4 (de) * 1998-01-08 2005-10-27 Hyundai Motor Co. Verfahren zur Herstellung eines dreifach wirksamen Palladiumkatalysators
WO2000027508A1 (en) * 1998-11-05 2000-05-18 Toyota Jidosha Kabushiki Kaisha Method and system for purifying exhaust gases and exhaust gas purification catalyst for use therein and method for preparation thereof
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
JP4590733B2 (ja) * 2000-02-22 2010-12-01 マツダ株式会社 排気ガス浄化用触媒及び該触媒による排気ガス浄化方法
FI118326B (fi) * 2000-04-10 2007-10-15 Ecocat Oy Adsorbenttikatalyytti
US6419890B1 (en) 2000-08-09 2002-07-16 Engelhard Corporation SOX tolerant NOX trap catalysts and methods of making and using the same
GB0022786D0 (en) 2000-09-16 2000-11-01 Johnson Matthey Plc NOx-Trap composition
DE10115485A1 (de) * 2001-03-29 2002-10-10 Daimler Chrysler Ag Partikelfilter
US6756338B2 (en) 2001-09-19 2004-06-29 Johnson Matthey Public Limited Company Lean NOx trap/conversion catalyst
JP4236543B2 (ja) * 2003-09-08 2009-03-11 本田技研工業株式会社 窒素酸化物の接触分解のための触媒と方法
CN1990100B (zh) * 2005-12-27 2010-05-12 中国石油化工股份有限公司 一种蒽醌加氢催化剂
JP2007244975A (ja) * 2006-03-15 2007-09-27 Ryukoku Univ 自動車排ガス処理触媒およびその製造方法
JP4155320B2 (ja) 2006-09-06 2008-09-24 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2444152A4 (de) 2009-06-16 2013-07-31 Cataler Corp Abgasreinigungskatalysator, pulvermaterial und verfahren zur herstellung des abgasreinigungskatalysators

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591580A (en) * 1983-01-26 1986-05-27 W. R. Grace & Co. Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same
BR8502767A (pt) * 1984-06-14 1986-02-18 Engelhard Corp Processo para oxidar simultaneamente hidrocarbonetos gasosos e monoxido de carbono,processo para preparacao de catalisador de tres vias,e processo para oxidacao de hidrocarbonetos e monosido de carbono e para reducao de oxidos de nitrogenio em uma corrente de gas
JP3061399B2 (ja) * 1990-06-20 2000-07-10 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒および浄化方法
JP3311012B2 (ja) * 1992-03-23 2002-08-05 株式会社豊田中央研究所 排気ガス浄化用触媒および排気ガス浄化方法
EP0613714B1 (de) * 1993-01-11 2001-07-04 Toyota Jidosha Kabushiki Kaisha Verfahren zur Reinigung von Abgasen

Also Published As

Publication number Publication date
AU670727B2 (en) 1996-07-25
EP0669157A1 (de) 1995-08-30
JPH07232064A (ja) 1995-09-05
DE69519115T2 (de) 2001-05-17
EP0669157B1 (de) 2000-10-18
AU1344195A (en) 1995-09-07
KR950024802A (ko) 1995-09-15
JP3391878B2 (ja) 2003-03-31

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