JP4120559B2 - 排気ガス浄化用触媒 - Google Patents

排気ガス浄化用触媒 Download PDF

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Publication number
JP4120559B2
JP4120559B2 JP2003364852A JP2003364852A JP4120559B2 JP 4120559 B2 JP4120559 B2 JP 4120559B2 JP 2003364852 A JP2003364852 A JP 2003364852A JP 2003364852 A JP2003364852 A JP 2003364852A JP 4120559 B2 JP4120559 B2 JP 4120559B2
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JP
Japan
Prior art keywords
exhaust gas
zirconium
purification catalyst
gas purification
temperature
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
JP2003364852A
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English (en)
Japanese (ja)
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JP2005125254A (ja
JP2005125254A5 (enExample
Inventor
伸一 竹島
哲也 山下
俊明 田中
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
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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
Priority to JP2003364852A priority Critical patent/JP4120559B2/ja
Priority to PCT/JP2004/015575 priority patent/WO2005039759A1/ja
Priority to CN200480034776A priority patent/CN100586559C/zh
Priority to EP04792725A priority patent/EP1681096B1/en
Priority to US10/576,025 priority patent/US20070066479A1/en
Publication of JP2005125254A publication Critical patent/JP2005125254A/ja
Publication of JP2005125254A5 publication Critical patent/JP2005125254A5/ja
Application granted granted Critical
Publication of JP4120559B2 publication Critical patent/JP4120559B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • B01J23/54—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
    • B01J23/63—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
    • 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

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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)
JP2003364852A 2003-10-24 2003-10-24 排気ガス浄化用触媒 Expired - Fee Related JP4120559B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2003364852A JP4120559B2 (ja) 2003-10-24 2003-10-24 排気ガス浄化用触媒
PCT/JP2004/015575 WO2005039759A1 (ja) 2003-10-24 2004-10-14 排気ガス浄化用触媒
CN200480034776A CN100586559C (zh) 2003-10-24 2004-10-14 废气净化用催化剂
EP04792725A EP1681096B1 (en) 2003-10-24 2004-10-14 Catalyst for exhaust gas cleaning
US10/576,025 US20070066479A1 (en) 2003-10-24 2004-10-14 Exhaust gas purifying catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003364852A JP4120559B2 (ja) 2003-10-24 2003-10-24 排気ガス浄化用触媒

Publications (3)

Publication Number Publication Date
JP2005125254A JP2005125254A (ja) 2005-05-19
JP2005125254A5 JP2005125254A5 (enExample) 2006-08-31
JP4120559B2 true JP4120559B2 (ja) 2008-07-16

Family

ID=34510134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003364852A Expired - Fee Related JP4120559B2 (ja) 2003-10-24 2003-10-24 排気ガス浄化用触媒

Country Status (5)

Country Link
US (1) US20070066479A1 (enExample)
EP (1) EP1681096B1 (enExample)
JP (1) JP4120559B2 (enExample)
CN (1) CN100586559C (enExample)
WO (1) WO2005039759A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4325648B2 (ja) * 2005-10-24 2009-09-02 トヨタ自動車株式会社 触媒担体及び排ガス浄化用触媒
JP4881758B2 (ja) 2006-04-28 2012-02-22 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
EP1941945B1 (en) 2007-01-05 2012-01-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for removing particulate matter and method using the same for removing particulate matter
US20090264283A1 (en) * 2008-04-16 2009-10-22 Basf Catalysts Llc Stabilized Iridium and Ruthenium Catalysts
FR2939695B1 (fr) 2008-12-17 2011-12-30 Saint Gobain Ct Recherches Structure de purification incorporant un systeme de catalyse supporte par une zircone a l'etat reduit.
US8003567B2 (en) * 2009-08-17 2011-08-23 Honda Motor Co., Ltd. Nanocomposite support materials
EP3271051A1 (en) * 2015-03-20 2018-01-24 Haldor Topsøe A/S Catalyzed ceramic candle filter and method of cleaning process off- or exhaust gases
US11149617B2 (en) 2016-08-19 2021-10-19 Kohler Co. System and method for low CO emission engine

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
JPH02175602A (ja) * 1988-12-28 1990-07-06 Ricoh Co Ltd 超微粒子状金属酸化物組成物の製法及びそれによって得られた超微粒子状酸化ジルコニウム組成物
JPH06178937A (ja) * 1992-10-15 1994-06-28 Riken Corp 窒素酸化物除去触媒及び除去方法
US5747410A (en) * 1992-07-03 1998-05-05 Kabushiki Kaisha Riken Exhaust gas cleaner and method of cleaning exhaust gas
JP4098835B2 (ja) * 1993-12-07 2008-06-11 トヨタ自動車株式会社 排気ガス浄化用触媒
JPH08281106A (ja) * 1995-04-11 1996-10-29 Nissan Motor Co Ltd 排気ガス浄化用触媒及びその製造方法
JPH0924274A (ja) * 1995-05-09 1997-01-28 Hitachi Ltd 排ガス浄化触媒及び排ガス浄化システム
JP3498453B2 (ja) * 1995-11-27 2004-02-16 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
JP4053623B2 (ja) * 1996-12-27 2008-02-27 阿南化成株式会社 ジルコニウム−セリウム系複合酸化物及びその製造方法
JP3466856B2 (ja) * 1997-02-05 2003-11-17 トヨタ自動車株式会社 排ガス浄化触媒およびその製造方法
EP1020223A3 (en) * 1999-01-12 2001-09-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas
JP2001170487A (ja) * 1999-12-15 2001-06-26 Toyota Central Res & Dev Lab Inc 排ガス浄化用触媒および排ガス浄化方法
US6569392B1 (en) * 2000-02-02 2003-05-27 Ford Global Technologies Llc Three-way rare earth oxide catalyst
DE60031258T2 (de) * 2000-07-14 2007-05-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Katalysator zum Reinigen von Abgas
JP3758487B2 (ja) * 2000-09-08 2006-03-22 トヨタ自動車株式会社 吸収還元型ｎｏｘ浄化用触媒
US7285259B2 (en) 2001-05-23 2007-10-23 Ecaps Sintering resistant catalyst material and a method for the preparation thereof
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
JP4228278B2 (ja) * 2002-03-19 2009-02-25 トヨタ自動車株式会社 排ガス浄化用触媒
JP3758601B2 (ja) * 2002-05-15 2006-03-22 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
JP4812233B2 (ja) * 2003-02-28 2011-11-09 トヨタ自動車株式会社 複合酸化物の製造方法
EP1479651B2 (en) 2003-05-21 2017-07-19 Toyota Jidosha Kabushiki Kaisha Method for production of porous composite oxide

Also Published As

Publication number Publication date
JP2005125254A (ja) 2005-05-19
EP1681096B1 (en) 2012-11-21
EP1681096A4 (en) 2010-09-15
WO2005039759A1 (ja) 2005-05-06
CN1886194A (zh) 2006-12-27
CN100586559C (zh) 2010-02-03
EP1681096A1 (en) 2006-07-19
US20070066479A1 (en) 2007-03-22

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