ATE556770T1 - Abgasreinigungskatalysator - Google Patents

Abgasreinigungskatalysator

Info

Publication number
ATE556770T1
ATE556770T1 AT10168494T AT10168494T ATE556770T1 AT E556770 T1 ATE556770 T1 AT E556770T1 AT 10168494 T AT10168494 T AT 10168494T AT 10168494 T AT10168494 T AT 10168494T AT E556770 T1 ATE556770 T1 AT E556770T1
Authority
AT
Austria
Prior art keywords
mixed oxide
oxide particle
particle size
component
particle component
Prior art date
Application number
AT10168494T
Other languages
English (en)
Inventor
Masaaki Akamine
Hideharu Iwakuni
Hisaya Kawabata
Yasuhiro Ochi
Yuki Murakami
Susumu Mineoi
Akihide Takami
Masahiko Shigetsu
Original Assignee
Mazda Motor
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 Mazda Motor filed Critical Mazda Motor
Application granted granted Critical
Publication of ATE556770T1 publication Critical patent/ATE556770T1/de

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
    • 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
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0036—Grinding
    • 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
    • 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
    • B01D2255/2068—Neodymium
    • 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
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • 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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • 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
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • 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
    • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
AT10168494T 2009-08-18 2010-07-06 Abgasreinigungskatalysator ATE556770T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009189182 2009-08-18
JP2010070930A JP5515936B2 (ja) 2009-08-18 2010-03-25 排気ガス浄化用触媒

Publications (1)

Publication Number Publication Date
ATE556770T1 true ATE556770T1 (de) 2012-05-15

Family

ID=42830057

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10168494T ATE556770T1 (de) 2009-08-18 2010-07-06 Abgasreinigungskatalysator

Country Status (4)

Country Link
US (1) US8912116B2 (de)
EP (1) EP2298444B1 (de)
JP (1) JP5515936B2 (de)
AT (1) ATE556770T1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2431092B1 (de) * 2009-04-14 2019-07-17 Cataler Corporation Abgasreinigungskatalysator und verfahren zu seiner herstellung
JP5515939B2 (ja) * 2010-03-26 2014-06-11 マツダ株式会社 排気ガス浄化用触媒
JP5488215B2 (ja) 2010-06-07 2014-05-14 マツダ株式会社 排気ガス浄化用触媒
JP5488214B2 (ja) 2010-06-07 2014-05-14 マツダ株式会社 排気ガス浄化用触媒
JP5973914B2 (ja) * 2010-08-05 2016-08-23 Ｄｏｗａエレクトロニクス株式会社 排ガス処理用触媒組成物の製造方法
JP5594161B2 (ja) 2011-01-26 2014-09-24 マツダ株式会社 排気ガス浄化用触媒装置
JP2012154259A (ja) 2011-01-26 2012-08-16 Mazda Motor Corp 排気ガス浄化用触媒装置
JP5760623B2 (ja) * 2011-04-11 2015-08-12 マツダ株式会社 排気ガス浄化用触媒及びその製造方法
JP5992192B2 (ja) * 2012-03-30 2016-09-14 三井金属鉱業株式会社 パラジウム触媒
JP5982987B2 (ja) * 2012-04-23 2016-08-31 マツダ株式会社 排気ガス浄化用触媒材を含有する排気ガス浄化用触媒
US9156025B2 (en) * 2012-11-21 2015-10-13 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
JP5942894B2 (ja) 2013-02-21 2016-06-29 マツダ株式会社 排気ガス浄化用触媒の製造方法
JP6175275B2 (ja) * 2013-05-16 2017-08-02 株式会社キャタラー 排ガス浄化用触媒
DE112014000481T5 (de) * 2013-05-27 2015-11-05 Mazda Motor Corporation Abgasreinigungskatalysator und Herstellungsverfahren dafür
WO2016130566A2 (en) * 2015-02-11 2016-08-18 SDCmaterials, Inc. Lean nox traps, trapping materials, washcoats, and methods of making and using the same
WO2017146175A1 (ja) * 2016-02-25 2017-08-31 株式会社キャタラー 排ガス浄化触媒及びその製造方法
US11179701B2 (en) 2016-03-25 2021-11-23 Cataler Corporation Exhaust gas purifying catalyst and production method therefor, and exhaust gas purification device using same
JP2022525613A (ja) * 2019-03-14 2022-05-18 ビーエーエスエフ コーポレーション 強化された触媒ウォッシュコート接着用結合剤組成物

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3812567B2 (ja) 2003-12-01 2006-08-23 マツダ株式会社 排気ガス浄化用触媒材料、及びその製造方法
JP2006334490A (ja) 2005-06-01 2006-12-14 Mazda Motor Corp 排気ガス浄化用触媒
JP4582789B2 (ja) 2005-07-25 2010-11-17 多木化学株式会社 セリア−ジルコニア固溶体ゾル及びその製造方法
JP2008062130A (ja) * 2006-09-05 2008-03-21 Mazda Motor Corp 酸素吸蔵材粒子を含有する排気ガス浄化用触媒
EP2055367A3 (de) * 2007-01-25 2009-05-27 Nissan Motor Co., Ltd. Abgasreinigungskatalysator und zugehöriges Herstellungsverfahren
US8187548B2 (en) * 2007-10-30 2012-05-29 Mazda Motor Corporation Catalyst-supported particulate filter
JP4956801B2 (ja) * 2009-03-04 2012-06-20 日産自動車株式会社 排気ガス浄化触媒及びその製造方法

Also Published As

Publication number Publication date
US20110045968A1 (en) 2011-02-24
EP2298444B1 (de) 2012-05-09
US8912116B2 (en) 2014-12-16
EP2298444A1 (de) 2011-03-23
JP5515936B2 (ja) 2014-06-11
JP2011062683A (ja) 2011-03-31

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