ZA201602388B - Catalytic converter - Google Patents

Catalytic converter

Info

Publication number
ZA201602388B
ZA201602388B ZA2016/02388A ZA201602388A ZA201602388B ZA 201602388 B ZA201602388 B ZA 201602388B ZA 2016/02388 A ZA2016/02388 A ZA 2016/02388A ZA 201602388 A ZA201602388 A ZA 201602388A ZA 201602388 B ZA201602388 B ZA 201602388B
Authority
ZA
South Africa
Prior art keywords
catalytic converter
catalytic
converter
Prior art date
Application number
ZA2016/02388A
Other languages
English (en)
Inventor
Aoki Yuki
Original Assignee
Toyota Motor Co Ltd
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 Co Ltd filed Critical Toyota Motor Co Ltd
Publication of ZA201602388B publication Critical patent/ZA201602388B/en

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
    • 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
    • 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
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/54—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
    • B01J37/0244—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
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed 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
    • B01D2255/902—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
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9032—Two zones
    • 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/915—Catalyst supported on particulate filters
    • B01D2255/9155—Wall flow filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/014—Stoichiometric gasoline engines
    • 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
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • 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
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101—Three-way 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)
  • 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)
ZA2016/02388A 2013-10-09 2016-04-08 Catalytic converter ZA201602388B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013211785A JP5870981B2 (ja) 2013-10-09 2013-10-09 触媒コンバーター
PCT/IB2014/002035 WO2015052569A1 (en) 2013-10-09 2014-10-06 Catalytic converter

Publications (1)

Publication Number Publication Date
ZA201602388B true ZA201602388B (en) 2017-09-27

Family

ID=51844784

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2016/02388A ZA201602388B (en) 2013-10-09 2016-04-08 Catalytic converter

Country Status (7)

Country Link
US (1) US9999871B2 (enExample)
JP (1) JP5870981B2 (enExample)
CN (1) CN105611992B (enExample)
BR (1) BR112016007783B1 (enExample)
DE (1) DE112014004694B9 (enExample)
WO (1) WO2015052569A1 (enExample)
ZA (1) ZA201602388B (enExample)

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WO2015087871A1 (ja) * 2013-12-13 2015-06-18 株式会社キャタラー 排ガス浄化用触媒
EP3427824A4 (en) * 2016-03-18 2019-02-27 Cataler Corporation CATALYST FOR EXHAUST GAS CLEANING
JP6372513B2 (ja) * 2016-04-13 2018-08-15 トヨタ自動車株式会社 触媒コンバーター
EP3466541B1 (en) * 2016-05-24 2020-09-16 Cataler Corporation Exhaust gas purifying catalyst
JP6700108B2 (ja) * 2016-06-06 2020-05-27 株式会社Ｓｏｋｅｎ 排ガス浄化用触媒の製造方法
RU2019100972A (ru) * 2016-06-17 2020-07-17 Басф Корпорейшн Палладиевый дизельный катализатор окисления
JP6569637B2 (ja) * 2016-10-14 2019-09-04 トヨタ自動車株式会社 内燃機関の排気浄化装置
GB2560942A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx Adsorber catalyst
GB2560940A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc Three layer NOx Adsorber catalyst
GB2560941A (en) * 2017-03-29 2018-10-03 Johnson Matthey Plc NOx Adsorber catalyst
JP6735912B2 (ja) * 2017-04-28 2020-08-05 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
JP6408062B1 (ja) * 2017-04-28 2018-10-17 株式会社キャタラー 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
CN111032194A (zh) 2017-09-18 2020-04-17 福特全球技术公司 用于汽车排放控制的催化器
WO2019163446A1 (ja) 2018-02-21 2019-08-29 株式会社キャタラー 排ガス浄化触媒装置
US11524285B2 (en) 2018-02-21 2022-12-13 Cataler Corporation Exhaust gas purification catalyst device
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
JP7125664B2 (ja) * 2018-04-05 2022-08-25 スズキ株式会社 排気浄化装置
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
JP2021126636A (ja) * 2020-02-17 2021-09-02 株式会社キャタラー 排ガス浄化触媒装置
US11788450B2 (en) * 2020-10-30 2023-10-17 Johnson Matthey Public Limited Company TWC 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
JP2022186014A (ja) * 2021-06-04 2022-12-15 トヨタ自動車株式会社 排ガス浄化装置
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
JP2023135093A (ja) * 2022-03-15 2023-09-28 トヨタ自動車株式会社 排ガス浄化用触媒の製造方法
WO2024175877A1 (en) * 2023-02-22 2024-08-29 Johnson Matthey Public Limited Company Catalyst article with high local rhodium concentration on ceria-zirconia, emission treatment system containing and exhaust gas treatment method using said catalyst article
JP7715948B2 (ja) * 2023-03-29 2025-07-30 三井金属鉱業株式会社 排ガス浄化用触媒

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JP3664019B2 (ja) * 1999-12-27 2005-06-22 日産自動車株式会社 触媒コンバータ
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US20040001781A1 (en) * 2002-06-27 2004-01-01 Engelhard Corporation Multi-zone catalytic converter
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KR20090045214A (ko) * 2006-06-29 2009-05-07 우미코레 아게 운트 코 카게 삼원 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
US7622096B2 (en) * 2007-08-09 2009-11-24 Basf Catalysts Llc Multilayered catalyst compositions
US7922988B2 (en) 2007-08-09 2011-04-12 Michel Deeba Multilayered catalyst compositions
JP5386121B2 (ja) * 2008-07-25 2014-01-15 エヌ・イーケムキャット株式会社 排気ガス浄化触媒装置、並びに排気ガス浄化方法
EP2521614B1 (en) 2010-01-04 2017-02-15 Toyota Jidosha Kabushiki Kaisha Catalyst for converting exhaust gases
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
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
JP5709005B2 (ja) 2011-10-26 2015-04-30 トヨタ自動車株式会社 排ガス浄化用触媒及びその製造方法
WO2013182303A1 (en) 2012-06-06 2013-12-12 Umicore Ag & Co. Kg Three-way-catalyst system
JP5804004B2 (ja) 2013-08-22 2015-11-04 トヨタ自動車株式会社 触媒コンバーター

Also Published As

Publication number Publication date
CN105611992A (zh) 2016-05-25
CN105611992B (zh) 2018-01-09
US9999871B2 (en) 2018-06-19
DE112014004694T5 (de) 2016-07-07
BR112016007783B1 (pt) 2021-10-26
BR112016007783A2 (enExample) 2017-08-01
WO2015052569A1 (en) 2015-04-16
US20160256854A1 (en) 2016-09-08
JP5870981B2 (ja) 2016-03-01
DE112014004694B4 (de) 2021-12-23
DE112014004694B9 (de) 2022-02-24
JP2015073943A (ja) 2015-04-20

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