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BR112015025876A8 - catalisador de purificação de gás de escape - Google Patents

catalisador de purificação de gás de escape Download PDF

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Publication number
BR112015025876A8
BR112015025876A8 BR112015025876A BR112015025876A BR112015025876A8 BR 112015025876 A8 BR112015025876 A8 BR 112015025876A8 BR 112015025876 A BR112015025876 A BR 112015025876A BR 112015025876 A BR112015025876 A BR 112015025876A BR 112015025876 A8 BR112015025876 A8 BR 112015025876A8
Authority
BR
Brazil
Prior art keywords
exhaust gas
gas purification
purification catalyst
catalyst
platinum
Prior art date
Application number
BR112015025876A
Other languages
English (en)
Other versions
BR112015025876A2 (pt
BR112015025876B1 (pt
Inventor
Ochiai Daisuke
Imai Hiroto
Kishita Keisuke
Tsuji Makoto
Sasaki Yasuyoshi
Original Assignee
Cataler Corp
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 Cataler Corp, Toyota Motor Co Ltd filed Critical Cataler Corp
Publication of BR112015025876A2 publication Critical patent/BR112015025876A2/pt
Publication of BR112015025876A8 publication Critical patent/BR112015025876A8/pt
Publication of BR112015025876B1 publication Critical patent/BR112015025876B1/pt

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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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • 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
    • B01J23/40—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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/396—Distribution of the active metal ingredient
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/90—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
    • 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
    • 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 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
    • 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
    • F01N3/24—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 characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • 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 After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

catalisador de purifcação de gás de escape. a presente invenção refere-se a um novo catalisador de purificação de gás de escape que tem excelente desempenho de purificação de nox. o objetivo é alcançado por um catalisador de purificação de gás de escape que compreende: um substrato; e uma camada de catalisador disposta sobre o substrato, a camada de catalisador compreendendo um primeiro veículo, e a platina e um primeiro paládio sustentado no primeiro veículo; no qual a proporção entre o peso da platina ao primeiro paládio é 3:1 a 8:1.
BR112015025876-0A 2013-04-19 2014-04-15 catalisador de purificação de gás de escape BR112015025876B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013088405A JP5676679B2 (ja) 2013-04-19 2013-04-19 排気ガス浄化用触媒
JP2013-088405 2013-04-19
PCT/JP2014/060691 WO2014171443A1 (ja) 2013-04-19 2014-04-15 排気ガス浄化用触媒

Publications (3)

Publication Number Publication Date
BR112015025876A2 BR112015025876A2 (pt) 2017-07-25
BR112015025876A8 true BR112015025876A8 (pt) 2019-09-10
BR112015025876B1 BR112015025876B1 (pt) 2020-11-10

Family

ID=51731382

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015025876-0A BR112015025876B1 (pt) 2013-04-19 2014-04-15 catalisador de purificação de gás de escape

Country Status (7)

Country Link
US (1) US9522385B2 (pt)
EP (1) EP2992955B1 (pt)
JP (1) JP5676679B2 (pt)
CN (1) CN105121006B (pt)
BR (1) BR112015025876B1 (pt)
WO (1) WO2014171443A1 (pt)
ZA (1) ZA201508158B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2926133A1 (en) * 2013-10-22 2015-04-30 SDCmaterials, Inc. Catalyst design for heavy-duty diesel combustion engines
JP6540947B2 (ja) * 2015-03-19 2019-07-10 株式会社豊田中央研究所 触媒
GB2554859A (en) * 2016-10-04 2018-04-18 Johnson Matthey Plc NOx adsorber catalyst
GB2577372B (en) * 2018-07-27 2023-03-29 Johnson Matthey Plc Improved TWC catalsts containing high dopant support
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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2011484C (en) * 1989-04-19 1997-03-04 Joseph C. Dettling Palladium-containing, ceria-supported platinum catalyst and catalyst assembly including the same
JP3296848B2 (ja) 1992-07-24 2002-07-02 マツダ株式会社 排気ガス浄化用触媒及びその製造方法
JP3741303B2 (ja) * 1997-12-08 2006-02-01 トヨタ自動車株式会社 排ガス浄化用触媒
JP2000300962A (ja) * 1999-04-22 2000-10-31 Hitachi Ltd 内燃機関の排ガス浄化方法，浄化装置及び浄化触媒
JP2000314311A (ja) * 1999-05-06 2000-11-14 Hitachi Ltd 内燃機関の排ガス浄化方法，浄化装置及び浄化触媒
JP4103407B2 (ja) * 2002-02-21 2008-06-18 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
JP2005021880A (ja) 2003-06-13 2005-01-27 Nissan Motor Co Ltd 排ガス浄化用触媒及び排ガス浄化用触媒システム
EP1729872B1 (en) * 2004-03-27 2021-03-10 Umicore AG & Co. KG Nitrogen oxide storage catalyst
JP4681922B2 (ja) 2005-04-01 2011-05-11 エヌ・イーケムキャット株式会社 排気ガス浄化用酸化触媒、及びそれを用いた排気ガス浄化システム
KR101172020B1 (ko) * 2006-03-30 2012-08-07 인터내쇼날 카탈리스트 테크놀로지, 인코포레이티드 내연기관 배기가스의 정화 방법
US7534738B2 (en) * 2006-11-27 2009-05-19 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
TWI449572B (zh) * 2006-11-29 2014-08-21 Umicore Shokubai Japan Co Ltd Oxidation catalyst and the oxidation catalyst using an exhaust gas purification system
JP2009285604A (ja) 2008-05-30 2009-12-10 Toyota Motor Corp 排ガス浄化用触媒
JP5422087B2 (ja) * 2008-08-08 2014-02-19 本田技研工業株式会社 低貴金属担持三元触媒
JP5253233B2 (ja) 2009-02-27 2013-07-31 トヨタ自動車株式会社 排ガス浄化触媒
BR112012011292B1 (pt) * 2009-11-12 2020-12-08 Umicore Ag & Co.Kg catalisador aperfeiçoado de oxidação de diesel e dispositivo para a purificação dos gases de exaustão de motores a diesel
JP2011220123A (ja) * 2010-04-05 2011-11-04 Toyota Motor Corp 排気浄化触媒
BR112013005103A2 (pt) * 2010-09-02 2016-05-03 Basf Se catalisador, método para produzir um catalisador, processo para o tratamento de uma corrente de gás compreendendo óxido de nitrogênio, e, uso do catalisador
JP5938819B2 (ja) * 2011-10-06 2016-06-22 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 排気ガス処理用酸化触媒
JP5664520B2 (ja) 2011-10-21 2015-02-04 東亞合成株式会社 コンクリート構造物及びその製造方法

Also Published As

Publication number Publication date
CN105121006B (zh) 2017-05-10
JP5676679B2 (ja) 2015-02-25
BR112015025876A2 (pt) 2017-07-25
EP2992955A4 (en) 2017-01-18
JP2014210238A (ja) 2014-11-13
BR112015025876B1 (pt) 2020-11-10
WO2014171443A1 (ja) 2014-10-23
US20160074836A1 (en) 2016-03-17
ZA201508158B (en) 2017-09-27
CN105121006A (zh) 2015-12-02
EP2992955B1 (en) 2020-12-23
US9522385B2 (en) 2016-12-20
EP2992955A1 (en) 2016-03-09

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/04/2014, OBSERVADAS AS CONDICOES LEGAIS.