DE60316065D1 - Katalysator zum Reinigen von Abgasen - Google Patents

Katalysator zum Reinigen von Abgasen

Info

Publication number
DE60316065D1
DE60316065D1 DE60316065T DE60316065T DE60316065D1 DE 60316065 D1 DE60316065 D1 DE 60316065D1 DE 60316065 T DE60316065 T DE 60316065T DE 60316065 T DE60316065 T DE 60316065T DE 60316065 D1 DE60316065 D1 DE 60316065D1
Authority
DE
Germany
Prior art keywords
catalyst
exhaust gases
purifying exhaust
purifying
gases
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
DE60316065T
Other languages
English (en)
Other versions
DE60316065T2 (de
Inventor
Ichiro Hachisuka
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 DE60316065D1 publication Critical patent/DE60316065D1/de
Application granted granted Critical
Publication of DE60316065T2 publication Critical patent/DE60316065T2/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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6527—Tungsten
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/185—Phosphorus; Compounds thereof with iron group metals or platinum group metals
    • B01J27/1856—Phosphorus; Compounds thereof with iron group metals or platinum group metals with 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
    • 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
    • B01D2255/90—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
    • B01J35/30—
    • 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
    • B01J37/0242—Coating followed by impregnation
    • 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
DE60316065T 2002-03-19 2003-03-14 Katalysator zum Reinigen von Abgasen Expired - Lifetime DE60316065T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002076598 2002-03-19
JP2002076598 2002-03-19
JP2003027034A JP4228278B2 (ja) 2002-03-19 2003-02-04 排ガス浄化用触媒
JP2003027034 2003-02-04

Publications (2)

Publication Number Publication Date
DE60316065D1 true DE60316065D1 (de) 2007-10-18
DE60316065T2 DE60316065T2 (de) 2008-01-10

Family

ID=28043777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60316065T Expired - Lifetime DE60316065T2 (de) 2002-03-19 2003-03-14 Katalysator zum Reinigen von Abgasen

Country Status (6)

Country Link
US (1) US7056859B2 (de)
EP (1) EP1350554B1 (de)
JP (1) JP4228278B2 (de)
KR (1) KR100494308B1 (de)
CN (1) CN1219586C (de)
DE (1) DE60316065T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4120559B2 (ja) * 2003-10-24 2008-07-16 トヨタ自動車株式会社 排気ガス浄化用触媒
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
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
WO2006057067A1 (ja) * 2004-11-25 2006-06-01 Cataler Corporation 排ガス浄化用触媒
KR20080025142A (ko) 2005-07-12 2008-03-19 도요다 지도샤 가부시끼가이샤 배기가스정화촉매 및 그 제조방법
JP2007190459A (ja) * 2006-01-17 2007-08-02 Toyota Motor Corp Ｐｍ浄化用触媒
KR101155847B1 (ko) * 2006-06-14 2012-06-20 도요타 지도샤（주） 배기 가스 정화용 촉매
JP4935219B2 (ja) * 2006-07-20 2012-05-23 トヨタ自動車株式会社 排ガス浄化用触媒
JP2008023501A (ja) * 2006-07-25 2008-02-07 Toyota Motor Corp 排ガス浄化用触媒
US7749472B2 (en) * 2006-08-14 2010-07-06 Basf Corporation Phosgard, a new way to improve poison resistance in three-way catalyst applications
JP2008188542A (ja) * 2007-02-06 2008-08-21 Mitsubishi Heavy Ind Ltd 排ガス処理用触媒、その製造方法および排ガス処理方法
JP5770409B2 (ja) * 2007-11-01 2015-08-26 日野自動車株式会社 排ガス浄化装置
EP2308595B1 (de) * 2008-07-04 2019-04-17 Nissan Motor Co., Ltd. Abgasreinigungskatalysator
JP5526502B2 (ja) * 2008-07-16 2014-06-18 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
US8207084B2 (en) 2009-06-23 2012-06-26 Ford Global Technologies, Llc Urea-resistant catalytic units and methods of using the same
JP5757297B2 (ja) * 2013-01-23 2015-07-29 トヨタ自動車株式会社 触媒コンバーター
GB201303396D0 (en) * 2013-02-26 2013-04-10 Johnson Matthey Plc Oxidation catalyst for a combustion engine
US9744529B2 (en) 2014-03-21 2017-08-29 Basf Corporation Integrated LNT-TWC catalyst
JP6392024B2 (ja) * 2014-08-12 2018-09-19 日野自動車株式会社 排気浄化装置
KR102211944B1 (ko) * 2019-04-04 2021-02-03 희성촉매 주식회사 귀금속 박층을 최상층으로 포함하는 다층구조의 배기가스 정화용 촉매 및 이의 제조방법
JP2021104484A (ja) * 2019-12-26 2021-07-26 株式会社キャタラー 排ガス浄化用触媒
KR102441367B1 (ko) * 2020-08-06 2022-09-06 희성촉매 주식회사 고기공 담체 상에 촉매 활성 물질 차단 박층이 구비된 배기가스 정화용 촉매

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2897367B2 (ja) * 1990-01-12 1999-05-31 日本特殊陶業株式会社 被毒防止体、被毒防止層付触媒及び排気ガス浄化装置
JPH05168860A (ja) 1991-12-26 1993-07-02 Toyota Motor Corp 排気ガス浄化方法
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
JP3328322B2 (ja) 1992-07-13 2002-09-24 トヨタ自動車株式会社 排気ガスの浄化方法
US5795456A (en) * 1996-02-13 1998-08-18 Engelhard Corporation Multi-layer non-identical catalyst on metal substrate by electrophoretic deposition
US6426316B2 (en) * 1996-08-13 2002-07-30 Toyota Jidosha Kabushiki Kaisha Exhaust emission control catalyst for diesel engines
DE19854794A1 (de) * 1998-11-27 2000-05-31 Degussa Katalysator für die Reinigung der Abgase eines Dieselmotors
JP3835659B2 (ja) * 1999-03-30 2006-10-18 トヨタ自動車株式会社 排ガス浄化用触媒
EP1066874B1 (de) * 1999-07-09 2009-09-23 Nissan Motor Company, Limited Abgasreinigungskatalysator und Verfahren zu seiner Herstellung
JP3489049B2 (ja) * 1999-07-15 2004-01-19 日産自動車株式会社 排気ガス浄化用触媒
DE60043522D1 (de) * 1999-08-20 2010-01-28 Mitsubishi Motors Corp Katalysator zur Reinigung von Abgasen
JP2001232195A (ja) * 1999-12-17 2001-08-28 Ngk Insulators Ltd 触媒体
JP2001314762A (ja) * 2000-05-11 2001-11-13 Ngk Insulators Ltd 排ガス浄化用触媒体
JP4548968B2 (ja) * 2000-06-05 2010-09-22 株式会社日本自動車部品総合研究所 セラミック担体およびセラミック触媒体
EP1419810B1 (de) * 2000-06-22 2007-02-07 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Katalysator zur Abgasreinigung

Also Published As

Publication number Publication date
EP1350554B1 (de) 2007-09-05
JP2003340291A (ja) 2003-12-02
EP1350554A1 (de) 2003-10-08
US7056859B2 (en) 2006-06-06
DE60316065T2 (de) 2008-01-10
US20040038812A1 (en) 2004-02-26
CN1219586C (zh) 2005-09-21
KR20030076337A (ko) 2003-09-26
KR100494308B1 (ko) 2005-06-10
CN1445015A (zh) 2003-10-01
JP4228278B2 (ja) 2009-02-25

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Legal Events

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