DE3751403D1 - Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. - Google Patents

Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung.

Info

Publication number
DE3751403D1
DE3751403D1 DE3751403T DE3751403T DE3751403D1 DE 3751403 D1 DE3751403 D1 DE 3751403D1 DE 3751403 T DE3751403 T DE 3751403T DE 3751403 T DE3751403 T DE 3751403T DE 3751403 D1 DE3751403 D1 DE 3751403D1
Authority
DE
Germany
Prior art keywords
manufacture
exhaust gas
gas purification
purification catalyst
catalyst
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
DE3751403T
Other languages
English (en)
Other versions
DE3751403T2 (de
Inventor
Tomohisa Ohata
Kazuo Tsuchitani
Eiichi Shiraishi
Shinya Kitaguchi
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai 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
Priority claimed from JP61299948A external-priority patent/JPS63156545A/ja
Priority claimed from JP62009110A external-priority patent/JPS63178848A/ja
Priority claimed from JP62009109A external-priority patent/JPS63178847A/ja
Priority claimed from JP62010009A external-priority patent/JPS6427643A/ja
Priority claimed from JP62010010A external-priority patent/JPS63229145A/ja
Priority claimed from JP62012289A external-priority patent/JPS63185451A/ja
Priority claimed from JP62012288A external-priority patent/JPS63185450A/ja
Priority claimed from JP62017321A external-priority patent/JPS63190642A/ja
Priority claimed from JP62018219A external-priority patent/JPS63190643A/ja
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of DE3751403D1 publication Critical patent/DE3751403D1/de
Application granted granted Critical
Publication of DE3751403T2 publication Critical patent/DE3751403T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01J23/63—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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE3751403T 1986-12-18 1987-12-18 Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. Expired - Fee Related DE3751403T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP61299948A JPS63156545A (ja) 1986-12-18 1986-12-18 排気ガス浄化用触媒
JP62009110A JPS63178848A (ja) 1987-01-20 1987-01-20 排気ガス浄化用触媒
JP62009109A JPS63178847A (ja) 1987-01-20 1987-01-20 排気ガス浄化用触媒
JP62010010A JPS63229145A (ja) 1986-09-09 1987-01-21 排気ガス浄化用触媒
JP62010009A JPS6427643A (en) 1986-08-29 1987-01-21 Catalyst for exhaust gas purification
JP62012289A JPS63185451A (ja) 1986-09-05 1987-01-23 排気ガス浄化用触媒
JP62012288A JPS63185450A (ja) 1986-09-05 1987-01-23 排気ガス浄化用触媒
JP62017321A JPS63190642A (ja) 1987-01-29 1987-01-29 排気ガス浄化用触媒
JP62018219A JPS63190643A (ja) 1987-01-30 1987-01-30 排気ガス浄化用触媒

Publications (2)

Publication Number Publication Date
DE3751403D1 true DE3751403D1 (de) 1995-08-17
DE3751403T2 DE3751403T2 (de) 1995-12-21

Family

ID=27576587

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751403T Expired - Fee Related DE3751403T2 (de) 1986-12-18 1987-12-18 Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung.

Country Status (3)

Country Link
US (1) US4904633A (de)
EP (2) EP0272136B1 (de)
DE (1) DE3751403T2 (de)

Families Citing this family (74)

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US5015617A (en) * 1988-04-14 1991-05-14 Nippon Shokubai Kagaku Kogyo Co., Ltd. Catalyst for purifying exhaust gas and method for production thereof
US5223236A (en) * 1988-12-16 1993-06-29 Tosoh Corporation Method for exhaust gas cleaning
AU617908B2 (en) * 1988-12-16 1991-12-05 Tosoh Corporation Method for exhaust gas cleaning
JP2716205B2 (ja) * 1989-05-08 1998-02-18 株式会社日本触媒 排ガス浄化用触媒
US5139992A (en) * 1989-11-08 1992-08-18 Engelhard Corporation Three-way conversion catalyst including a ceria-containing zirconia support
CA2027422A1 (en) * 1989-11-08 1991-05-09 Samuel J. Tauster Three way conversion catalyst including a ceria-containing zirconia support
GB9010709D0 (en) * 1990-05-12 1990-07-04 Johnson Matthey Plc Catalytic reduction
US5264200A (en) * 1990-05-31 1993-11-23 Monsanto Company Monolithic catalysts for conversion of sulfur dioxide to sulfur trioxide
US5175136A (en) * 1990-05-31 1992-12-29 Monsanto Company Monolithic catalysts for conversion of sulfur dioxide to sulfur trioxide
JP2773428B2 (ja) * 1990-11-28 1998-07-09 トヨタ自動車株式会社 排気ガス浄化方法
JPH04200637A (ja) * 1990-11-29 1992-07-21 Nippon Shokubai Co Ltd ディーゼルエンジン排ガス浄化用触媒
JP2848970B2 (ja) * 1990-12-21 1999-01-20 日本碍子株式会社 ハニカムヒーター及び触媒コンバーター
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WO1993007363A1 (fr) * 1991-10-03 1993-04-15 Toyota Jidosha Kabushiki Kaisha Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne
US5212130A (en) * 1992-03-09 1993-05-18 Corning Incorporated High surface area washcoated substrate and method for producing same
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JP3409894B2 (ja) * 1993-11-17 2003-05-26 トヨタ自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
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
US5422331A (en) * 1994-02-25 1995-06-06 Engelhard Corporation Layered catalyst composition
JP3511314B2 (ja) * 1994-07-12 2004-03-29 株式会社キャタラー 排気ガス浄化用触媒および排気ガス浄化方法
JPH0884911A (ja) * 1994-09-14 1996-04-02 I C T:Kk 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法
DE4436890A1 (de) * 1994-10-15 1996-04-18 Degussa Verfahren zur gleichzeitigen Verminderung der im Abgas einer Verbrennungskraftmaschine enthaltenen Kohlenwasserstoffe, Kohlenmonoxid und Stickoxide
US6284210B1 (en) * 1994-11-15 2001-09-04 Institut Francais Du Petrole Combustion catalyst and combustion process using such a catalyst
EP0715879A1 (de) * 1994-12-09 1996-06-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Katalysator zur Reinigung von Abgasen und Verfahren zu dessen Herstellung
JP3358766B2 (ja) * 1994-12-16 2002-12-24 トヨタ自動車株式会社 排ガス浄化用触媒
US5597772A (en) * 1995-01-09 1997-01-28 Ford Motor Company Thermally stable rhodium/alumina catalysts
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US5958827A (en) * 1995-12-07 1999-09-28 Toyota Jidosha Kabushiki Kaisha Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases
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DE60042991D1 (de) * 1999-07-09 2009-11-05 Nissan Motor Abgasreinigungskatalysator und Verfahren zu seiner Herstellung
US6569392B1 (en) * 2000-02-02 2003-05-27 Ford Global Technologies Llc Three-way rare earth oxide catalyst
JP3704279B2 (ja) * 2000-07-18 2005-10-12 ダイハツ工業株式会社 排ガス浄化用触媒
ITMI20010478A1 (it) * 2001-03-08 2002-09-08 Inst Francais Du Petrole Catalizzatore a base di cobalto e suo utilizzo nel processo di fischer-tropsch
US6576587B2 (en) * 2001-03-13 2003-06-10 Delphi Technologies, Inc. High surface area lean NOx catalyst
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US6680279B2 (en) * 2002-01-24 2004-01-20 General Motors Corporation Nanostructured catalyst particle/catalyst carrier particle system
JP4217576B2 (ja) * 2003-09-30 2009-02-04 東京濾器株式会社 排気ガス浄化用触媒
JP5217072B2 (ja) * 2003-11-14 2013-06-19 トヨタ自動車株式会社 排ガス浄化用触媒およびその製法
JP3912377B2 (ja) * 2003-12-25 2007-05-09 日産自動車株式会社 排ガス浄化用触媒粉末の製造方法
JP4547930B2 (ja) * 2004-02-17 2010-09-22 日産自動車株式会社 触媒、触媒の調製方法及び排ガス浄化用触媒
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JP4513384B2 (ja) * 2004-03-31 2010-07-28 日産自動車株式会社 高耐熱性排ガス浄化用触媒及びその製造方法
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US8771624B2 (en) * 2008-03-19 2014-07-08 Umicore Shokubai Japan Co., Ltd Catalyst for purifying exhaust gas from internal combustion engine and process for purifying exhaust gas using the same
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JP5827477B2 (ja) 2011-03-10 2015-12-02 株式会社エフ・シー・シー 触媒の製造方法
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JP6805129B2 (ja) 2014-09-05 2020-12-23 ビーエーエスエフ コーポレーション 燃焼機関の排ガス流を処理するための触媒における白金族金属支持体としての、チタニアがドープされたジルコニア
US20200030776A1 (en) * 2018-07-27 2020-01-30 Johnson Matthey Public Limited Company Twc catalysts containing high dopant support
JP6771005B2 (ja) * 2018-09-12 2020-10-21 イビデン株式会社 ハニカム構造体の製造方法
JP6764451B2 (ja) * 2018-09-12 2020-09-30 イビデン株式会社 ハニカム構造体の製造方法
US11788450B2 (en) * 2020-10-30 2023-10-17 Johnson Matthey Public Limited Company TWC catalysts for gasoline engine exhaust gas treatments
CN114082417A (zh) * 2021-11-22 2022-02-25 复旦大学 一种负载型贵金属蜂窝催化剂及其制备方法和应用
CN114950423B (zh) * 2022-06-08 2023-06-09 重庆大学 室内低浓度甲醛净化催化剂产品及其制备方法

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Also Published As

Publication number Publication date
EP0272136A3 (en) 1989-02-22
EP0272136B1 (de) 1995-07-12
EP0558159A3 (en) 1993-12-15
DE3751403T2 (de) 1995-12-21
US4904633A (en) 1990-02-27
EP0272136A2 (de) 1988-06-22
EP0558159A2 (de) 1993-09-01

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