JP5807782B2 - 排ガス浄化用触媒 - Google Patents

排ガス浄化用触媒 Download PDF

Info

Publication number
JP5807782B2
JP5807782B2 JP2011288798A JP2011288798A JP5807782B2 JP 5807782 B2 JP5807782 B2 JP 5807782B2 JP 2011288798 A JP2011288798 A JP 2011288798A JP 2011288798 A JP2011288798 A JP 2011288798A JP 5807782 B2 JP5807782 B2 JP 5807782B2
Authority
JP
Japan
Prior art keywords
upper layer
layer
exhaust gas
catalyst
lower layer
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
JP2011288798A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013136032A (ja
JP2013136032A5 (https=
Inventor
悠生 青木
悠生 青木
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
Priority to JP2011288798A priority Critical patent/JP5807782B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to RU2014126415/04A priority patent/RU2572810C1/ru
Priority to US14/369,217 priority patent/US9440223B2/en
Priority to BR112014016151-8A priority patent/BR112014016151B1/pt
Priority to EP12834572.5A priority patent/EP2797678B1/en
Priority to PCT/JP2012/008343 priority patent/WO2013099251A1/en
Priority to CN201280065163.7A priority patent/CN104039426B/zh
Publication of JP2013136032A publication Critical patent/JP2013136032A/ja
Publication of JP2013136032A5 publication Critical patent/JP2013136032A5/ja
Priority to ZA2014/05124A priority patent/ZA201405124B/en
Application granted granted Critical
Publication of JP5807782B2 publication Critical patent/JP5807782B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J23/44—Palladium
    • 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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • 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
    • B01J37/0201—Impregnation
    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
    • 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
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2061—Yttrium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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
    • B01D2255/908—O2-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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (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)
JP2011288798A 2011-12-28 2011-12-28 排ガス浄化用触媒 Expired - Fee Related JP5807782B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2011288798A JP5807782B2 (ja) 2011-12-28 2011-12-28 排ガス浄化用触媒
US14/369,217 US9440223B2 (en) 2011-12-28 2012-12-26 Exhaust gas purification catalyst
BR112014016151-8A BR112014016151B1 (pt) 2011-12-28 2012-12-26 catalisador de purificação de gás de escape
EP12834572.5A EP2797678B1 (en) 2011-12-28 2012-12-26 Exhaust gas purification catalyst
RU2014126415/04A RU2572810C1 (ru) 2011-12-28 2012-12-26 Катализатор очистки выхлопного газа
PCT/JP2012/008343 WO2013099251A1 (en) 2011-12-28 2012-12-26 Exhaust gas purification catalyst
CN201280065163.7A CN104039426B (zh) 2011-12-28 2012-12-26 废气净化用催化剂
ZA2014/05124A ZA201405124B (en) 2011-12-28 2014-07-14 Exhaust gas purification catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011288798A JP5807782B2 (ja) 2011-12-28 2011-12-28 排ガス浄化用触媒

Publications (3)

Publication Number Publication Date
JP2013136032A JP2013136032A (ja) 2013-07-11
JP2013136032A5 JP2013136032A5 (https=) 2013-11-14
JP5807782B2 true JP5807782B2 (ja) 2015-11-10

Family

ID=47915305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011288798A Expired - Fee Related JP5807782B2 (ja) 2011-12-28 2011-12-28 排ガス浄化用触媒

Country Status (8)

Country Link
US (1) US9440223B2 (https=)
EP (1) EP2797678B1 (https=)
JP (1) JP5807782B2 (https=)
CN (1) CN104039426B (https=)
BR (1) BR112014016151B1 (https=)
RU (1) RU2572810C1 (https=)
WO (1) WO2013099251A1 (https=)
ZA (1) ZA201405124B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017095158A1 (ko) * 2015-12-02 2017-06-08 희성촉매 주식회사 Ｐｄ-Ｒｈ 합금을 포함하는 삼원촉매

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9744529B2 (en) * 2014-03-21 2017-08-29 Basf Corporation Integrated LNT-TWC catalyst
JP6820869B2 (ja) * 2015-06-24 2021-01-27 ビーエーエスエフ コーポレーション 層状自動車用触媒複合体
JP6699113B2 (ja) * 2015-08-28 2020-05-27 三菱自動車工業株式会社 内燃機関の排ガス浄化システム及び排ガス浄化触媒
JP6378222B2 (ja) * 2016-02-12 2018-08-22 トヨタ自動車株式会社 排ガス浄化触媒装置、排ガス浄化システム、及び排ガス浄化触媒装置の劣化検出方法
JP6724531B2 (ja) * 2016-05-02 2020-07-15 三菱自動車工業株式会社 内燃機関の排ガス浄化触媒
US10960389B2 (en) 2016-05-24 2021-03-30 Cataler Corporation Exhaust gas purification catalyst
US20190136730A1 (en) * 2016-06-07 2019-05-09 Cataler Corporation Exhaust gas purification catalyst
WO2017218092A2 (en) * 2016-06-13 2017-12-21 Basf Corporation Catalytic article comprising combined pgm and osc
MX2018015865A (es) * 2016-06-17 2019-04-22 Basf Corp Catalizador de oxidacion diesel de paladio.
JP6604323B2 (ja) 2016-12-28 2019-11-13 トヨタ自動車株式会社 内燃機関の排ガス浄化システム及び排ガス浄化用触媒の使用方法
JP6753811B2 (ja) * 2017-04-19 2020-09-09 トヨタ自動車株式会社 排ガス浄化用触媒
CN110785231B (zh) 2017-04-28 2022-09-23 优美科触媒日本有限公司 废气净化用催化剂及使用其的废气净化方法
JP6889252B2 (ja) * 2017-04-28 2021-06-18 ユミコア日本触媒株式会社 排気ガス浄化用触媒およびそれを用いた排気ガス浄化方法
JP2019058876A (ja) * 2017-09-27 2019-04-18 イビデン株式会社 ハニカム触媒
JP6954796B2 (ja) * 2017-10-06 2021-10-27 トヨタ自動車株式会社 自動車用排ガス浄化用触媒
KR102474347B1 (ko) * 2017-10-26 2022-12-05 현대자동차 주식회사 배기가스 정화장치
WO2019109998A1 (zh) * 2017-12-08 2019-06-13 庄信万丰(上海)化工有限公司 用于汽油废气应用的新型三区两层twc催化剂
CN111432928B (zh) * 2017-12-28 2023-03-14 优美科触媒日本有限公司 含有磷化合物的废气净化用催化剂
JP7026530B2 (ja) * 2018-02-22 2022-02-28 エヌ・イーケムキャット株式会社 排ガス浄化用三元触媒
CN111770794B (zh) * 2018-03-30 2021-08-13 三井金属矿业株式会社 废气净化催化剂
CN108927149A (zh) * 2018-07-24 2018-12-04 中自环保科技股份有限公司 一种与scr匹配使用的lnt催化剂以及制备方法
BR112020026548A2 (pt) * 2018-07-27 2021-03-23 Johnson Matthey Public Limited Company Composição catalisadora, artigo catalisador para o tratamento de gás de escape, sistema de tratamento de emissão para tratar um fluxo de um gás de escape de combustão, e, método de tratamento de um gás de escape de um motor de combustão interna
RU2678766C1 (ru) * 2018-09-28 2019-02-01 Андрей Александрович Нестеренко Способ изготовления катализаторов для очистки выхлопных газов
JP6778845B1 (ja) * 2019-01-22 2020-11-04 三井金属鉱業株式会社 排ガス浄化用触媒
JP7195995B2 (ja) * 2019-03-27 2022-12-26 株式会社キャタラー 排ガス浄化用触媒
JP7288331B2 (ja) * 2019-03-29 2023-06-07 株式会社キャタラー 排ガス浄化触媒装置
RU2712124C1 (ru) * 2019-07-22 2020-01-24 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт химии силикатов им. И.В. Гребенщикова Российской академии наук (ИХС РАН) СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИОННЫХ НАНОКРИСТАЛЛИЧЕСКИХ МЕЗОПОРИСТЫХ ПОРОШКОВ В СИСТЕМЕ CeO2(ZrO2)-Al2O3 ДЛЯ ТРЕХМАРШРУТНЫХ КАТАЛИЗАТОРОВ
JP7386651B2 (ja) 2019-09-02 2023-11-27 株式会社キャタラー 排ガス浄化用触媒
EP3889404A1 (en) * 2020-03-30 2021-10-06 Johnson Matthey Public Limited Company Multi-region twc catalysts for gasoline engine exhaust gas treatments with improved h2s attenuation
US11788450B2 (en) * 2020-10-30 2023-10-17 Johnson Matthey Public Limited Company TWC catalysts for gasoline engine exhaust gas treatments
WO2022090689A1 (en) 2020-10-30 2022-05-05 Johnson Matthey Public Limited Company Novel tri-metal pgm catalysts for gasoline engine exhaust gas treatments
JP7355775B2 (ja) 2021-03-05 2023-10-03 トヨタ自動車株式会社 排ガス浄化用触媒
JP7600910B2 (ja) * 2021-07-06 2024-12-17 トヨタ自動車株式会社 排ガス浄化用触媒
JP2023158373A (ja) * 2022-04-18 2023-10-30 株式会社西部技研 酸素除去装置

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128506A (en) * 1978-01-23 1978-12-05 General Motors Corporation Platinum-rhodium catalyst for automotive emission control
JP2788293B2 (ja) * 1989-07-21 1998-08-20 東京濾器株式会社 排気ガス浄化用触媒
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
JP3375358B2 (ja) * 1993-01-29 2003-02-10 マツダ株式会社 排気ガス浄化用触媒
DE69435061T2 (de) * 1993-06-25 2008-12-18 Basf Catalysts Llc Katalysatorzusammensetzung
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
ES2131980T3 (es) * 1996-11-11 1999-08-01 Degussa Catalizador purificador de gas de escape con una mejor capacidad de conversion para hidrocarburos
US6348430B1 (en) * 1997-06-20 2002-02-19 Degussa Ag Exhaust gas treatment catalyst for internal combustion engines with two catalytically active layers on a carrier structure
US6107239A (en) * 1998-01-19 2000-08-22 Luchuang Environment Protection Science Co. Ltd. Heat resistant metallic oxide catalyst for reducing pollution emission
US6294140B1 (en) * 1999-04-23 2001-09-25 Degussa Ag Layered noble metal-containing exhaust gas catalyst and its preparation
EP1066874B1 (en) * 1999-07-09 2009-09-23 Nissan Motor Company, Limited Exhaust gas purifying catalyst and method of producing same
US6881384B1 (en) * 1999-08-30 2005-04-19 Daihatsu Motor Co., Ltd. Catalytic converter for cleaning exhaust gas
US6864214B2 (en) * 2000-09-26 2005-03-08 Daihatsu Motor Co., Ltd. Exhaust gas purifying catalyst
JP3845274B2 (ja) * 2001-06-26 2006-11-15 ダイハツ工業株式会社 排ガス浄化用触媒
JP3855266B2 (ja) * 2001-11-01 2006-12-06 日産自動車株式会社 排気ガス浄化用触媒
FR2862005B1 (fr) * 2003-11-06 2006-01-06 Air Liquide Ajout d'agent(s) bloquant(s) dans une membrane ceramique pour bloquer la croissance cristalline des grains lors du frittage sous atmosphere
US8975204B2 (en) * 2004-10-28 2015-03-10 Cataler Corporation Exhaust-gas-purifying catalyst
JP4696546B2 (ja) * 2004-12-10 2011-06-08 マツダ株式会社 排気ガス浄化用触媒
US20060217263A1 (en) * 2005-03-24 2006-09-28 Tokyo Roki Co., Ltd Exhaust gas purification catalyst
JP4240011B2 (ja) * 2005-06-20 2009-03-18 トヨタ自動車株式会社 排ガス浄化触媒
CN101282783B (zh) * 2005-10-05 2012-07-25 株式会社卡特勒 废气净化催化剂
RU2395341C1 (ru) * 2006-03-28 2010-07-27 Тойота Дзидося Кабусики Кайся Катализатор для очистки выхлопных газов, способ регенерации такого катализатора, а также устройство и способ очистки выхлопных газов при использовании данного катализатора
JP5305904B2 (ja) * 2006-06-14 2013-10-02 株式会社キャタラー 排ガス浄化用触媒
JP4726713B2 (ja) * 2006-06-16 2011-07-20 株式会社豊田中央研究所 無機酸化物、及びそれを用いた排ガス浄化用触媒
DE202007019615U1 (de) * 2006-06-29 2014-05-20 Umicore Ag & Co. Kg Dreiweg-Katalysator
JP5270075B2 (ja) * 2006-07-04 2013-08-21 株式会社キャタラー 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
US7550124B2 (en) * 2006-08-21 2009-06-23 Basf Catalysts Llc Layered catalyst composite
US7517510B2 (en) * 2006-08-21 2009-04-14 Basf Catalysts Llc Layered catalyst composite
US7758834B2 (en) * 2006-08-21 2010-07-20 Basf Corporation Layered catalyst composite
EP2127744B1 (en) * 2007-02-01 2018-07-18 Daiichi Kigenso Kagaku Kogyo Co., Ltd. Exhaust gas purification apparatus comprising a catalyst system and exhaust gas purification method
EP1974809B1 (de) * 2007-03-19 2010-09-29 Umicore AG & Co. KG Doppelschichtiger Dreiweg-Katalysator
JP5232401B2 (ja) * 2007-04-05 2013-07-10 株式会社キャタラー 排ガス浄化用触媒
JP4858463B2 (ja) * 2007-04-27 2012-01-18 マツダ株式会社 排気ガス浄化用触媒およびその製造方法
JP5173282B2 (ja) 2007-07-04 2013-04-03 株式会社キャタラー 排ガス浄化用触媒
DE102007046158B4 (de) * 2007-09-27 2014-02-13 Umicore Ag & Co. Kg Verwendung eines katalytisch aktiven Partikelfilters zur Entfernung von Partikeln aus dem Abgas von mit überwiegend stöchiometrischem Luft/Kraftstoff-Gemisch betriebenen Verbrennungsmotoren
ATE457813T1 (de) * 2007-09-28 2010-03-15 Umicore Ag & Co Kg Entfernung von partikeln aus dem abgas von mit überwiegend stöchiometrischem luft/kraftstoff- gemisch betriebenen verbrennungsmotoren
JP4751916B2 (ja) * 2008-06-30 2011-08-17 トヨタ自動車株式会社 排ガス浄化用触媒
JP5065180B2 (ja) 2008-06-30 2012-10-31 トヨタ自動車株式会社 排ガス浄化用触媒
JP5538237B2 (ja) * 2008-12-03 2014-07-02 第一稀元素化学工業株式会社 排気ガス浄化触媒、それを用いた排気ガス浄化装置、及び排気ガス浄化方法
EP2404669B1 (en) * 2009-03-06 2019-11-13 Umicore Shokubai Japan Co., Ltd. Catalyst for purification of exhaust gas
JP5544921B2 (ja) * 2009-11-18 2014-07-09 トヨタ自動車株式会社 排ガス浄化用触媒
JP5903205B2 (ja) * 2010-01-04 2016-04-13 株式会社キャタラー 排ガス浄化用触媒
JP5458973B2 (ja) 2010-03-09 2014-04-02 マツダ株式会社 排気ガス浄化用触媒
JP5573710B2 (ja) 2010-07-23 2014-08-20 トヨタ自動車株式会社 排ガス浄化用触媒
US9242242B2 (en) * 2010-09-02 2016-01-26 Basf Se Catalyst for gasoline lean burn engines with improved NO oxidation activity
US8950174B2 (en) * 2010-09-02 2015-02-10 Basf Se Catalysts for gasoline lean burn engines with improved NH3-formation activity
US8323599B2 (en) * 2010-11-22 2012-12-04 Umicore Ag & Co. Kg Three-way catalyst having an upstream multi-layer catalyst
US8557204B2 (en) * 2010-11-22 2013-10-15 Umicore Ag & Co. Kg Three-way catalyst having an upstream single-layer catalyst
JP5287884B2 (ja) 2011-01-27 2013-09-11 トヨタ自動車株式会社 排ガス浄化用触媒

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017095158A1 (ko) * 2015-12-02 2017-06-08 희성촉매 주식회사 Ｐｄ-Ｒｈ 합금을 포함하는 삼원촉매
US11135572B2 (en) 2015-12-02 2021-10-05 Heesung Catalysts Corporation Three-way catalyst comprising Pd—Rh alloy

Also Published As

Publication number Publication date
CN104039426A (zh) 2014-09-10
RU2572810C1 (ru) 2016-01-20
ZA201405124B (en) 2015-12-23
EP2797678A1 (en) 2014-11-05
EP2797678B1 (en) 2017-11-15
BR112014016151B1 (pt) 2020-12-22
US20140357480A1 (en) 2014-12-04
CN104039426B (zh) 2016-08-24
US9440223B2 (en) 2016-09-13
JP2013136032A (ja) 2013-07-11
BR112014016151A8 (pt) 2017-07-04
BR112014016151A2 (pt) 2017-06-13
WO2013099251A1 (en) 2013-07-04

Similar Documents

Publication Publication Date Title
JP5807782B2 (ja) 排ガス浄化用触媒
JP6460817B2 (ja) 排ガス浄化用触媒
EP3466541B1 (en) Exhaust gas purifying catalyst
JP6532823B2 (ja) 排ガス浄化用触媒
US10737219B2 (en) Exhaust gas purifying catalyst
JP7043398B2 (ja) 排ガス浄化用触媒
JP6545962B2 (ja) 排ガス浄化用触媒
JP2012055842A (ja) 排ガス浄化用触媒
JP6997838B1 (ja) 排ガス浄化用触媒
JP6175275B2 (ja) 排ガス浄化用触媒
JP5328133B2 (ja) 排ガス浄化用触媒

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131001

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140205

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150108

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150213

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150709

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150715

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150813

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150826

R151 Written notification of patent or utility model registration

Ref document number: 5807782

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees