JP4881758B2 - 排気ガス浄化用触媒及びその製造方法 - Google Patents

排気ガス浄化用触媒及びその製造方法 Download PDF

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JP4881758B2
JP4881758B2 JP2007032269A JP2007032269A JP4881758B2 JP 4881758 B2 JP4881758 B2 JP 4881758B2 JP 2007032269 A JP2007032269 A JP 2007032269A JP 2007032269 A JP2007032269 A JP 2007032269A JP 4881758 B2 JP4881758 B2 JP 4881758B2
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JP2007313498A (ja
JP2007313498A5 (enExample
Inventor
博人 菊地
雅紀 中村
広憲 若松
英昭 森坂
博文 安田
克雄 菅
一幸 白鳥
憲治 上杉
利春 宮村
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Priority to JP2007032269A priority Critical patent/JP4881758B2/ja
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to EP07741512.3A priority patent/EP2014361B1/en
Priority to CN200780014047.1A priority patent/CN101426576B/zh
Priority to KR1020087026249A priority patent/KR100989212B1/ko
Priority to US12/298,461 priority patent/US7833930B2/en
Priority to PCT/JP2007/058076 priority patent/WO2007125757A1/ja
Publication of JP2007313498A publication Critical patent/JP2007313498A/ja
Priority to US12/903,721 priority patent/US20110034331A1/en
Publication of JP2007313498A5 publication Critical patent/JP2007313498A5/ja
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    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0224—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being granular
    • 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
    • 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
    • B01J23/54—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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • 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
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—Manganese
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • 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
    • 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
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J37/0201—Impregnation
    • 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
    • B01J37/0215—Coating
    • B01J37/0221—Coating of 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2007032269A 2006-04-28 2007-02-13 排気ガス浄化用触媒及びその製造方法 Active JP4881758B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2007032269A JP4881758B2 (ja) 2006-04-28 2007-02-13 排気ガス浄化用触媒及びその製造方法
CN200780014047.1A CN101426576B (zh) 2006-04-28 2007-04-12 废气净化用催化剂及其制造方法
KR1020087026249A KR100989212B1 (ko) 2006-04-28 2007-04-12 배기 가스 정화용 촉매 및 그의 제조 방법
US12/298,461 US7833930B2 (en) 2006-04-28 2007-04-12 Exhaust gas purifying catalyst and production method thereof
EP07741512.3A EP2014361B1 (en) 2006-04-28 2007-04-12 Exhaust gas purifying catalyst
PCT/JP2007/058076 WO2007125757A1 (ja) 2006-04-28 2007-04-12 排気ガス浄化用触媒及びその製造方法
US12/903,721 US20110034331A1 (en) 2006-04-28 2010-10-13 Exhaust gas purifying catalyst and production method thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006126557 2006-04-28
JP2006126557 2006-04-28
JP2007032269A JP4881758B2 (ja) 2006-04-28 2007-02-13 排気ガス浄化用触媒及びその製造方法

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JP2007313498A JP2007313498A (ja) 2007-12-06
JP2007313498A5 JP2007313498A5 (enExample) 2011-09-01
JP4881758B2 true JP4881758B2 (ja) 2012-02-22

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US (2) US7833930B2 (enExample)
EP (1) EP2014361B1 (enExample)
JP (1) JP4881758B2 (enExample)
KR (1) KR100989212B1 (enExample)
CN (1) CN101426576B (enExample)
WO (1) WO2007125757A1 (enExample)

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US7977276B2 (en) * 2007-04-12 2011-07-12 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst and method of producing the same
US7976784B2 (en) * 2007-12-18 2011-07-12 Basf Corporation Methods and systems including CO oxidation catalyst with low NO to NO2 conversion
CN102112225B (zh) * 2008-07-31 2013-10-23 日产自动车株式会社 废气净化催化剂
CN104353457B (zh) * 2008-09-02 2017-05-24 日产自动车株式会社 废气净化用催化剂及其制造方法
BRPI1011478B1 (pt) * 2009-03-04 2018-01-30 Nissan Motor Co.,Ltd “catalisador purificador de gás de exaustão e método para a fabricação do mesmo”
DE102009024158A1 (de) * 2009-06-08 2010-12-09 Süd-Chemie AG Verfahren zur Herstellung eines Dreiwegekatalysators mit Rhodium und Platin geträgert auf getrennten Oxidträgern mit nur einem Beschichtungsschritt und Kalzinierschritt
JP5391885B2 (ja) * 2009-07-09 2014-01-15 日産自動車株式会社 排気ガス浄化用触媒、排気ガス浄化用触媒の製造方法、排気ガス浄化用ハニカム触媒
US20110033353A1 (en) * 2009-08-05 2011-02-10 Basf Corporation Preparation of Diesel Oxidation Catalyst Via Deposition of Colloidal Nanoparticles
RU2478427C1 (ru) 2009-11-17 2013-04-10 Ниссан Мотор Ко., Лтд. Катализатор для очистки отработавших газов и способ его производства
JP5895600B2 (ja) * 2012-03-01 2016-03-30 日産自動車株式会社 排ガス浄化触媒及びその製造方法
US9266092B2 (en) 2013-01-24 2016-02-23 Basf Corporation Automotive catalyst composites having a two-metal layer
JP2018510053A (ja) * 2015-01-29 2018-04-12 ビーエーエスエフ コーポレーション 自動車排ガス処理用白金族金属（ｐｇｍ）触媒
JP6909402B2 (ja) * 2017-07-12 2021-07-28 株式会社豊田中央研究所 排ガス浄化用触媒担体、それを用いた排ガス浄化用触媒、及び排ガス浄化用触媒担体の製造方法
CN110560056B (zh) * 2019-08-30 2022-11-01 无锡威孚环保催化剂有限公司 通用小型汽油机尾气催化剂及其制备方法
WO2021166382A1 (ja) * 2020-02-21 2021-08-26 株式会社キャタラー 排ガス浄化用触媒
JP6986116B1 (ja) * 2020-06-30 2021-12-22 株式会社キャタラー 排ガス浄化用触媒

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Also Published As

Publication number Publication date
CN101426576A (zh) 2009-05-06
JP2007313498A (ja) 2007-12-06
KR100989212B1 (ko) 2010-10-20
US20110034331A1 (en) 2011-02-10
WO2007125757A1 (ja) 2007-11-08
CN101426576B (zh) 2015-05-13
EP2014361A1 (en) 2009-01-14
EP2014361B1 (en) 2017-01-04
EP2014361A4 (en) 2012-10-17
US7833930B2 (en) 2010-11-16
KR20090005337A (ko) 2009-01-13
US20090088320A1 (en) 2009-04-02

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