DE69835573D1 - Abgasreinigungskatalysator für eine Brennkraftmaschine - Google Patents

Abgasreinigungskatalysator für eine Brennkraftmaschine

Info

Publication number
DE69835573D1
DE69835573D1 DE69835573T DE69835573T DE69835573D1 DE 69835573 D1 DE69835573 D1 DE 69835573D1 DE 69835573 T DE69835573 T DE 69835573T DE 69835573 T DE69835573 T DE 69835573T DE 69835573 D1 DE69835573 D1 DE 69835573D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
emission control
control catalyst
catalyst
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
DE69835573T
Other languages
English (en)
Other versions
DE69835573T2 (de
Inventor
Takahiro Kurokawa
Yasuto Watanabe
Toshitsugu Ueoka
Hiroshi Murakami
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 DE69835573D1 publication Critical patent/DE69835573D1/de
Application granted granted Critical
Publication of DE69835573T2 publication Critical patent/DE69835573T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
DE69835573T 1997-12-12 1998-12-11 Abgasreinigungskatalysator für einen Verbrennungsmotor Expired - Fee Related DE69835573T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP34242197 1997-12-12
JP34242197 1997-12-12
JP33861498 1998-11-30
JP33861498A JP3855503B2 (ja) 1997-12-12 1998-11-30 排気ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE69835573D1 true DE69835573D1 (de) 2006-09-28
DE69835573T2 DE69835573T2 (de) 2007-08-09

Family

ID=26576141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835573T Expired - Fee Related DE69835573T2 (de) 1997-12-12 1998-12-11 Abgasreinigungskatalysator für einen Verbrennungsmotor

Country Status (3)

Country Link
EP (1) EP0922485B1 (de)
JP (1) JP3855503B2 (de)
DE (1) DE69835573T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4413520B2 (ja) * 2003-04-17 2010-02-10 株式会社アイシーティー 排ガス浄化用触媒及びその触媒を用いた排ガスの浄化方法
JP4740217B2 (ja) * 2003-11-11 2011-08-03 本田技研工業株式会社 窒素酸化物を接触還元する方法
WO2005044426A1 (ja) * 2003-11-11 2005-05-19 Valtion Teknillinen Tutkimuskeskus 窒素酸化物を接触還元する方法をそのための触媒
JP2006314989A (ja) * 2005-04-11 2006-11-24 Valtion Teknillinen Tutkimuskeskus 窒素酸化物を接触還元するための触媒及び触媒構造体
US10343117B2 (en) 2009-02-27 2019-07-09 Corning Incorporated Ceria-zirconia-zeolite catalyst body
JP7266254B2 (ja) * 2019-06-17 2023-04-28 パナソニックＩｐマネジメント株式会社 ガラスパネルユニット、ガラスパネルユニットの製造方法
CN112547115A (zh) * 2019-09-26 2021-03-26 中国石油化工股份有限公司 一种废气净化多效催化剂及废气净化方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2771321B2 (ja) * 1990-11-09 1998-07-02 日本碍子株式会社 排気ガス浄化用触媒組成物、排気ガス浄化用触媒及びその製造方法
US5407880A (en) * 1992-11-09 1995-04-18 Nissan Motor Co., Ltd. Catalysts for adsorption of hydrocarbons
JP3517973B2 (ja) * 1993-09-30 2004-04-12 マツダ株式会社 排気ガス浄化用触媒、該排気ガス浄化用触媒の製造方法及び、排気ガス浄化用ハニカム触媒の製造方法
JPH08131838A (ja) * 1994-11-10 1996-05-28 Honda Motor Co Ltd 排気ガス浄化用触媒
JPH09262471A (ja) * 1996-03-29 1997-10-07 Tokyo Roki Kk 排気ガス浄化用触媒材料、排気ガス浄化用触媒及びその製造方法
JPH1147602A (ja) * 1997-08-07 1999-02-23 Mazda Motor Corp 排気ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
JP3855503B2 (ja) 2006-12-13
EP0922485A2 (de) 1999-06-16
DE69835573T2 (de) 2007-08-09
JPH11226414A (ja) 1999-08-24
EP0922485B1 (de) 2006-08-16
EP0922485A3 (de) 2000-02-09

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee