DE60220868D1 - Abgasreinigungskatalysator und -system - Google Patents

Abgasreinigungskatalysator und -system

Info

Publication number
DE60220868D1
DE60220868D1 DE60220868T DE60220868T DE60220868D1 DE 60220868 D1 DE60220868 D1 DE 60220868D1 DE 60220868 T DE60220868 T DE 60220868T DE 60220868 T DE60220868 T DE 60220868T DE 60220868 D1 DE60220868 D1 DE 60220868D1
Authority
DE
Germany
Prior art keywords
emission control
control catalyst
catalyst
emission
control
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
DE60220868T
Other languages
English (en)
Other versions
DE60220868T2 (de
Inventor
Seiji Miyoshi
Akihide Takami
Hiroshi Yamada
Kenji Okamoto
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.)
Mazda Motor Corp
Original Assignee
Mazda 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 Mazda Motor Corp filed Critical Mazda Motor Corp
Publication of DE60220868D1 publication Critical patent/DE60220868D1/de
Application granted granted Critical
Publication of DE60220868T2 publication Critical patent/DE60220868T2/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
    • B01J23/38—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
    • 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
    • B01J37/0246—Coatings comprising a zeolite
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • 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
    • 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
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • 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
    • 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)
  • Exhaust Gas After Treatment (AREA)
DE60220868T 2001-09-26 2002-09-24 Abgasreinigungskatalysator und -system Expired - Lifetime DE60220868T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001292979A JP4696430B2 (ja) 2001-09-26 2001-09-26 排気ガス浄化用触媒
JP2001292979 2001-09-26

Publications (2)

Publication Number Publication Date
DE60220868D1 true DE60220868D1 (de) 2007-08-09
DE60220868T2 DE60220868T2 (de) 2008-01-24

Family

ID=19114852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220868T Expired - Lifetime DE60220868T2 (de) 2001-09-26 2002-09-24 Abgasreinigungskatalysator und -system

Country Status (4)

Country Link
US (1) US20030115855A1 (de)
EP (1) EP1297887B1 (de)
JP (1) JP4696430B2 (de)
DE (1) DE60220868T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3839309B2 (ja) * 2001-11-21 2006-11-01 株式会社日立製作所 排ガス浄化触媒、排ガス浄化方法及び装置
CN1925910A (zh) * 2004-03-30 2007-03-07 卡塔勒公司 排气净化催化剂
US20060217263A1 (en) 2005-03-24 2006-09-28 Tokyo Roki Co., Ltd Exhaust gas purification catalyst
KR101470623B1 (ko) * 2006-11-17 2014-12-12 에스케이이노베이션 주식회사 자일렌 이성화 촉매 및 그 제조방법
JP4501935B2 (ja) * 2006-12-28 2010-07-14 トヨタ自動車株式会社 内燃機関の排気ガス浄化装置
EP2106291A4 (de) * 2007-01-17 2011-10-26 Nanostellar Inc Palladium-gold enthaltende abgaskatalysatoren
US8302380B2 (en) * 2009-06-16 2012-11-06 GM Global Technology Operations LLC Desulfation systems and methods for lean NOx trap (LNT)
US8978360B2 (en) * 2009-09-15 2015-03-17 Ford Global Technologies, Llc Hydrocarbon and NOx trap
JP5505445B2 (ja) * 2012-03-19 2014-05-28 三菱電機株式会社 脱臭装置
JP6066817B2 (ja) * 2013-04-25 2017-01-25 本田技研工業株式会社 排気浄化触媒及び排気浄化装置
JP6066816B2 (ja) * 2013-04-25 2017-01-25 本田技研工業株式会社 排気浄化触媒及び排気浄化装置
JP6236995B2 (ja) * 2013-08-28 2017-11-29 マツダ株式会社 排気ガス浄化用触媒及びその製造方法並びにそれを用いた排気ガス浄化方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760117A (ja) * 1993-08-30 1995-03-07 Honda Motor Co Ltd 排気ガス浄化用触媒
JPH07108172A (ja) * 1993-10-12 1995-04-25 Toyota Motor Corp 排気ガス浄化用触媒及びその製造方法
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
US5874057A (en) * 1995-07-12 1999-02-23 Engelhard Corporation Lean NOx catalyst/trap method
JPH09225264A (ja) * 1996-02-23 1997-09-02 Nissan Motor Co Ltd 排気ガス浄化用触媒
WO1999056859A1 (en) * 1998-05-07 1999-11-11 Engelhard Corporation Catalyzed hydrocarbon trap and method using the same
JP3859940B2 (ja) * 1999-08-06 2006-12-20 日産自動車株式会社 排気ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
EP1297887B1 (de) 2007-06-27
EP1297887A1 (de) 2003-04-02
JP2003093887A (ja) 2003-04-02
JP4696430B2 (ja) 2011-06-08
DE60220868T2 (de) 2008-01-24
US20030115855A1 (en) 2003-06-26

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Legal Events

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8364 No opposition during term of opposition