JP4751917B2 - 排ガス浄化用触媒 - Google Patents

排ガス浄化用触媒 Download PDF

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Publication number
JP4751917B2
JP4751917B2 JP2008170808A JP2008170808A JP4751917B2 JP 4751917 B2 JP4751917 B2 JP 4751917B2 JP 2008170808 A JP2008170808 A JP 2008170808A JP 2008170808 A JP2008170808 A JP 2008170808A JP 4751917 B2 JP4751917 B2 JP 4751917B2
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Prior art keywords
catalyst layer
layer
gas flow
flow direction
length
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JP2008170808A
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English (en)
Japanese (ja)
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JP2010005590A (ja
Inventor
智章 砂田
稔貴 田邊
直樹 高橋
裕久 田中
真里 上西
昌司 谷口
新吾 坂神
将昭 河合
浩隆 小里
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.)
Daihatsu Motor Co Ltd
Cataler Corp
Toyota Motor Corp
Toyota Central R&D Labs Inc
Original Assignee
Daihatsu Motor Co Ltd
Cataler Corp
Toyota Motor Corp
Toyota Central R&D Labs Inc
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Application filed by Daihatsu Motor Co Ltd, Cataler Corp, Toyota Motor Corp, Toyota Central R&D Labs Inc filed Critical Daihatsu Motor Co Ltd
Priority to JP2008170808A priority Critical patent/JP4751917B2/ja
Priority to PCT/IB2009/006122 priority patent/WO2010001226A1/fr
Publication of JP2010005590A publication Critical patent/JP2010005590A/ja
Application granted granted Critical
Publication of JP4751917B2 publication Critical patent/JP4751917B2/ja
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    • 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
    • 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
    • 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
    • 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
    • B01D2255/1021—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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • 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
    • 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
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • 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 monoliths
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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

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  • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2008170808A 2008-06-30 2008-06-30 排ガス浄化用触媒 Active JP4751917B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008170808A JP4751917B2 (ja) 2008-06-30 2008-06-30 排ガス浄化用触媒
PCT/IB2009/006122 WO2010001226A1 (fr) 2008-06-30 2009-06-29 Catalyseur feuilleté de purification des gaz d'échappement comprenant différents métaux nobles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008170808A JP4751917B2 (ja) 2008-06-30 2008-06-30 排ガス浄化用触媒

Publications (2)

Publication Number Publication Date
JP2010005590A JP2010005590A (ja) 2010-01-14
JP4751917B2 true JP4751917B2 (ja) 2011-08-17

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JP2008170808A Active JP4751917B2 (ja) 2008-06-30 2008-06-30 排ガス浄化用触媒

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JP (1) JP4751917B2 (fr)
WO (1) WO2010001226A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018016606A1 (fr) 2016-07-20 2018-01-25 ユミコア日本触媒株式会社 Catalyseur de purification de gaz d'échappement pour moteur à combustion interne, et procédé de purification de gaz d'échappement utilisant le catalyseur de purification de gaz d'échappement
EP3662997A1 (fr) 2016-07-20 2020-06-10 Umicore Shokubai Japan Co., Ltd. Catalyseur pour la purification de gaz d'échappement d'un moteur à combustion interne, ainsi qu'un procédé de purification de gaz d'échappement en utilisant ledit catalyseur

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2011118047A1 (ja) * 2010-03-24 2013-07-04 トヨタ自動車株式会社 排ガス浄化用触媒
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
WO2012140775A1 (fr) * 2011-04-15 2012-10-18 トヨタ自動車株式会社 Epurateur d'échappement pour moteur à combustion interne
JP5720949B2 (ja) * 2011-12-08 2015-05-20 トヨタ自動車株式会社 排ガス浄化用触媒
JP5780247B2 (ja) 2013-01-23 2015-09-16 トヨタ自動車株式会社 触媒コンバーター
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
JP5888259B2 (ja) 2013-02-13 2016-03-16 トヨタ自動車株式会社 触媒コンバーター
JP5821887B2 (ja) 2013-04-03 2015-11-24 トヨタ自動車株式会社 触媒コンバーター
JP6133836B2 (ja) 2014-12-12 2017-05-24 トヨタ自動車株式会社 排ガス浄化触媒
JP6133835B2 (ja) * 2014-12-12 2017-05-24 トヨタ自動車株式会社 排ガス浄化触媒
JP6034356B2 (ja) * 2014-12-12 2016-11-30 トヨタ自動車株式会社 排ガス浄化触媒
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
WO2018199250A1 (fr) 2017-04-28 2018-11-01 ユミコア日本触媒株式会社 Catalyseur de purification de gaz d'échappement et procédé de purification de gaz d'échappement l'utilisant
JP7451402B2 (ja) 2017-12-08 2024-03-18 ジョンソン マッセイ （シャンハイ） ケミカルズ リミテッド ガソリンエンジンからの排気ガス処理のための新規多領域ｔｗｃ
US11110436B2 (en) 2017-12-28 2021-09-07 Umicore Shokubai Japan Co., Ltd. Phosphorus compound-containing exhaust gas purifying catalyst
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
JP6775052B2 (ja) * 2019-03-27 2020-10-28 株式会社キャタラー 排ガス浄化用触媒
BR112022011865A2 (pt) * 2019-12-19 2022-09-06 Basf Corp Artigo de catalisador, processos para a preparação de um artigo de catalisador, aparelho para preparar o artigo catalítico, sistema de exaustão, métodos para tratar uma corrente de exaustão e para reduzir os níveis de hidrocarbonetos, monóxido de carbono e óxido de nitrogênio e uso do catalisador
JP7434489B1 (ja) * 2022-10-18 2024-02-20 株式会社キャタラー 排ガス浄化用触媒およびこれを用いた触媒体

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
JPS6384635A (ja) * 1986-09-26 1988-04-15 Nissan Motor Co Ltd 排気ガス浄化用触媒
JPS63236541A (ja) * 1987-03-24 1988-10-03 Nissan Motor Co Ltd 排ガス浄化用触媒
JPH05293384A (ja) * 1992-04-15 1993-11-09 Nissan Motor Co Ltd 排ガス浄化用触媒及び排ガス浄化方法
US5376610A (en) * 1992-04-15 1994-12-27 Nissan Motor Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
JP4015328B2 (ja) * 1999-09-14 2007-11-28 ダイハツ工業株式会社 排気ガス浄化用触媒
JP3724708B2 (ja) * 1999-11-26 2005-12-07 日産自動車株式会社 排気ガス浄化用触媒
JP4350250B2 (ja) * 2000-01-27 2009-10-21 株式会社キャタラー 排気ガス浄化用触媒
US20040001781A1 (en) * 2002-06-27 2004-01-01 Engelhard Corporation Multi-zone catalytic converter
JP4238056B2 (ja) * 2003-03-31 2009-03-11 三井金属鉱業株式会社 排ガス浄化用層状触媒

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018016606A1 (fr) 2016-07-20 2018-01-25 ユミコア日本触媒株式会社 Catalyseur de purification de gaz d'échappement pour moteur à combustion interne, et procédé de purification de gaz d'échappement utilisant le catalyseur de purification de gaz d'échappement
US10654030B2 (en) 2016-07-20 2020-05-19 Umicore Shokubai Japan Co., Ltd. Exhaust gas purification catalyst for internal combustion engine, and exhaust gas purifying method using exhaust gas purification catalyst
EP3662997A1 (fr) 2016-07-20 2020-06-10 Umicore Shokubai Japan Co., Ltd. Catalyseur pour la purification de gaz d'échappement d'un moteur à combustion interne, ainsi qu'un procédé de purification de gaz d'échappement en utilisant ledit catalyseur
EP3696382A1 (fr) 2016-07-20 2020-08-19 Umicore Shokubai Japan Co., Ltd. Catalyseur de purification de gaz d'échappement pour moteur à combustion interne, et procédé de purification de gaz d'échappement utilisant ce catalyseur de purification de gaz d'échappement
US10967362B2 (en) 2016-07-20 2021-04-06 Umicore Shokubai Japan Co., Ltd. Catalyst for purification of exhaust gas from internal combustion engine and method for purification of exhaust gas using the catalyst

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Publication number Publication date
JP2010005590A (ja) 2010-01-14
WO2010001226A8 (fr) 2010-03-11
WO2010001226A1 (fr) 2010-01-07

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