CA2044984A1 - Catalyseur des gaz d'echappement d'un moteur diesel - Google Patents

Catalyseur des gaz d'echappement d'un moteur diesel

Info

Publication number
CA2044984A1
CA2044984A1 CA2044984A CA2044984A CA2044984A1 CA 2044984 A1 CA2044984 A1 CA 2044984A1 CA 2044984 A CA2044984 A CA 2044984A CA 2044984 A CA2044984 A CA 2044984A CA 2044984 A1 CA2044984 A1 CA 2044984A1
Authority
CA
Canada
Prior art keywords
catalyst
exhaust gas
diesel engines
purifying exhaust
catalyst component
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.)
Granted
Application number
CA2044984A
Other languages
English (en)
Other versions
CA2044984C (fr
Inventor
Makoto Horiuchi
Satoshi Inui
Koichi Saito
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
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of CA2044984A1 publication Critical patent/CA2044984A1/fr
Application granted granted Critical
Publication of CA2044984C publication Critical patent/CA2044984C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
CA002044984A 1990-06-20 1991-06-19 Catalyseur des gaz d'echappement d'un moteur diesel Expired - Lifetime CA2044984C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP159,922/90 1990-06-20
JP2159922A JP3061399B2 (ja) 1990-06-20 1990-06-20 ディーゼルエンジン排ガス浄化用触媒および浄化方法

Publications (2)

Publication Number Publication Date
CA2044984A1 true CA2044984A1 (fr) 1991-12-21
CA2044984C CA2044984C (fr) 1996-04-02

Family

ID=15704090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044984A Expired - Lifetime CA2044984C (fr) 1990-06-20 1991-06-19 Catalyseur des gaz d'echappement d'un moteur diesel

Country Status (6)

Country Link
US (1) US5177041A (fr)
EP (1) EP0462593B1 (fr)
JP (1) JP3061399B2 (fr)
KR (1) KR950010783B1 (fr)
CA (1) CA2044984C (fr)
DE (1) DE69105366T2 (fr)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2736099B2 (ja) * 1989-02-06 1998-04-02 株式会社日本触媒 ディーゼルエンジン排ガス浄化用触媒
DE4105534C2 (de) * 1991-02-22 1994-12-22 Bayer Ag Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas
US5145825A (en) * 1991-04-08 1992-09-08 Engelhard Corporation Oxidation catalyst resistant to sulfation
US5212142A (en) * 1991-11-04 1993-05-18 Engelhard Corporation High performance thermally stable catalyst
ATE190240T1 (de) 1991-11-26 2000-03-15 Engelhard Corp Oxidationskatalysator und verfahren zur anwendung
DE4206699C2 (de) * 1992-03-04 1996-02-01 Degussa NO¶x¶-Verminderung im mageren Abgas von Kraftfahrzeugmotoren
US5376610A (en) * 1992-04-15 1994-12-27 Nissan Motor Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
DE4226111A1 (de) * 1992-08-07 1994-02-10 Bayer Ag Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas
US5314854A (en) * 1992-11-12 1994-05-24 Uop Stable, high-yield reforming catalyst
EP0681870B1 (fr) * 1992-11-12 1999-07-28 Uop Catalyseur de réformance multimétallique et multigradient pour convertir des paraffines en aromates
US6248684B1 (en) 1992-11-19 2001-06-19 Englehard Corporation Zeolite-containing oxidation catalyst and method of use
CA2110308A1 (fr) * 1992-11-30 1994-05-31 Masahito Kida Catalyseur destine a l'epuration des gaz d'echappement de moteur diesel
DE69422938T2 (de) * 1993-04-28 2000-07-20 Toyota Motor Co Ltd Katalysator zur Reinigung von Abgasen aus Dieselmotoren
JP3391878B2 (ja) * 1994-02-23 2003-03-31 トヨタ自動車株式会社 排気ガス浄化用触媒
US6004521A (en) * 1994-02-23 1999-12-21 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gases
US5580535A (en) * 1994-07-07 1996-12-03 Engelhard Corporation System and method for abatement of food cooking fumes
JP3589763B2 (ja) * 1995-12-06 2004-11-17 株式会社アイシーティー ガソリンエンジンの排気ガス浄化方法
US20040086441A1 (en) 1995-12-06 2004-05-06 Masao Hori Process for purifying exhaust gas from gasoline engines
JPH09276703A (ja) * 1996-04-19 1997-10-28 Honda Motor Co Ltd 排気ガス浄化用触媒
EP0842700B1 (fr) * 1996-11-11 1999-03-24 Degussa Ag Catalyseur pour la purification de gaz d'échappement avec conversion d'hydrocarbures amélioré
JP3377382B2 (ja) * 1996-11-19 2003-02-17 トヨタ自動車株式会社 ディーゼルエンジン用排ガス浄化用触媒
JP3988202B2 (ja) * 1997-04-11 2007-10-10 日産自動車株式会社 排気ガス浄化用触媒
JPH11104462A (ja) * 1997-09-30 1999-04-20 Ngk Insulators Ltd 排ガス浄化用触媒−吸着体及び排ガス浄化方法
ID28037A (id) * 1998-06-30 2001-05-03 Shell Internat Res Maatschaapp Oksidasi parsial katalitik dengan dua logam yang aktif secara katalitik
JP4012320B2 (ja) * 1998-10-15 2007-11-21 株式会社アイシーティー 希薄燃焼エンジン用排気ガス浄化用触媒
BR0001560B1 (pt) 1999-04-09 2010-04-06 processo para produzir um corpo cerámico-catalisador, e, corpo cerámico-catalisador.
US6436363B1 (en) * 2000-08-31 2002-08-20 Engelhard Corporation Process for generating hydrogen-rich gas
KR100382051B1 (ko) * 2000-12-29 2003-05-09 한국전력기술 주식회사 이산화황을 포함하고 있는 배가스 중의 질소산화물을저온에서 제거하기 위한 선택적 환원촉매
EP1222961A3 (fr) * 2001-01-10 2002-08-28 Abb Research Ltd. Méthode pour former une couche de zéolithe sur un substrat
JP4030320B2 (ja) 2001-03-22 2008-01-09 株式会社デンソー セラミック体およびセラミック触媒体
US20030091504A1 (en) * 2001-11-15 2003-05-15 Gary Pasquale Method for controlling synthesis conditions during molecular sieve synthesis using combinations of quaternary ammonium hydroxides and halides
DE10209529A1 (de) * 2002-03-04 2003-09-25 Hte Ag The High Throughput Exp Rhodiumreiche und mit Seltenerd-Oxiden dotierte Katalysatoren
EP1393804A1 (fr) * 2002-08-26 2004-03-03 Umicore AG & Co. KG Catalyseur multicouche pour réformage à la vapeur autotherme d'hydrocarbures et son utilisation
US7015146B2 (en) 2004-01-06 2006-03-21 International Business Machines Corporation Method of processing backside unlayering of MOSFET devices for electrical and physical characterization including a collimated ion plasma
US7214331B2 (en) 2004-02-26 2007-05-08 The Boc Group, Inc. Catalyst configuration and methods for syngas production
US20050202966A1 (en) * 2004-03-11 2005-09-15 W.C. Heraeus Gmbh Catalyst for the decomposition of N2O in the Ostwald process
DE102004024026A1 (de) * 2004-03-11 2005-09-29 W.C. Heraeus Gmbh Katalysator zur N2O-Zersetzung beim Ostwaldprozess
JP4669322B2 (ja) * 2005-05-24 2011-04-13 株式会社キャタラー 排ガス浄化用触媒
JP4810947B2 (ja) * 2005-09-29 2011-11-09 トヨタ自動車株式会社 内燃機関の制御方法
JP4838258B2 (ja) * 2005-10-05 2011-12-14 株式会社キャタラー 排ガス浄化用触媒
KR100801880B1 (ko) * 2006-07-25 2008-02-12 오덱(주) 가솔린 자동차용 촉매
KR101283308B1 (ko) * 2006-08-21 2013-07-12 현대자동차주식회사 불균일 촉매 분포 다층형 필터
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
US8668877B2 (en) 2010-11-24 2014-03-11 Basf Corporation Diesel oxidation catalyst articles and methods of making and using
JP5664918B2 (ja) * 2011-04-08 2015-02-04 トヨタ自動車株式会社 排ガス浄化用触媒
JP5807782B2 (ja) * 2011-12-28 2015-11-10 トヨタ自動車株式会社 排ガス浄化用触媒
JP5910276B2 (ja) * 2012-04-18 2016-04-27 マツダ株式会社 排気ガス浄化用触媒
JP5910275B2 (ja) * 2012-04-18 2016-04-27 マツダ株式会社 排気ガス浄化用触媒
JP5974850B2 (ja) * 2012-11-20 2016-08-23 マツダ株式会社 触媒付パティキュレートフィルタ
CN111741813B (zh) 2018-02-21 2023-08-04 株式会社科特拉 排气净化催化剂装置
WO2019163403A1 (fr) * 2018-02-21 2019-08-29 株式会社キャタラー Dispositif de catalyseur de purification de gaz d'échappement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914376A (en) * 1973-02-08 1975-10-21 Monsanto Co Layered rhodium and nickel catalyst for NO{HD x {b reduction
US3965040A (en) * 1974-09-25 1976-06-22 Gulf Research & Development Company Process for preparing catalyst
US4128506A (en) * 1978-01-23 1978-12-05 General Motors Corporation Platinum-rhodium catalyst for automotive emission control
CA1098105A (fr) * 1977-07-15 1981-03-24 Jack C. Summers Catalyseur d'epuration des gaz d'echappement d'un vehicule automobile
US4172047A (en) * 1978-09-18 1979-10-23 Ford Motor Company Catalyst of rhodium on alpha alumina-coated substrate
JPS6388040A (ja) * 1986-09-30 1988-04-19 Nippon Engeruharudo Kk 車輌用排気ガス浄化用触媒及びその製造方法

Also Published As

Publication number Publication date
KR950010783B1 (ko) 1995-09-23
JPH0459049A (ja) 1992-02-25
DE69105366D1 (de) 1995-01-12
US5177041A (en) 1993-01-05
DE69105366T2 (de) 1995-05-18
EP0462593A1 (fr) 1991-12-27
EP0462593B1 (fr) 1994-11-30
CA2044984C (fr) 1996-04-02
KR920000377A (ko) 1992-01-29
JP3061399B2 (ja) 2000-07-10

Similar Documents

Publication Publication Date Title
CA2044984A1 (fr) Catalyseur des gaz d'echappement d'un moteur diesel
CA2015991A1 (fr) Catalyseur pour l'epuation des gaz d'echappement de moteurs diesels
KR900701375A (ko) 자동차 배기가스 처리방법 및 처리용 촉매 합성물
CA2138133A1 (fr) Methode pour eliminer les oxydes diazote dans les gaz d'echappement
FR2556236B1 (fr) Procede de fabrication d'un catalyseur pour le traitement des gaz d'echappement
CA2027638A1 (fr) Catalyseur de purification des gaz d'echappement
ES462042A1 (es) Un metodo de hacer reaccionar los contaminantes de los gasesde escape.
WO1993009146A3 (fr) Catalyseur thermostable a hautes ferformances
CA2053703A1 (fr) Composition de catalyseur servant a purifier les gaz d'echappement, catalyseur servant a purifier les gaz d'echappement, et procede de fabrication connexe
CA2131041A1 (fr) Catalyseur servant a reduire les gaz d'echappement
CA2031762A1 (fr) Methode d'epuration des gaz d'echappement des moteurs diesels
EP0382434A3 (en) Catalyst for purification of exhaust gas from diesel engine
DE3267723D1 (en) Catalysts
DE3571938D1 (en) Process for producing monolithic catalyst for purifying exhaust gases
CA2219367A1 (fr) Catalyseur pour purifier les gaz d'echappement d'un moteur a combustion interne et methode de purification de ce dernier
FR2647365B1 (fr) Catalyseur multifonctionnel pour le traitement des gaz d'echappement des moteurs a combustion interne, contenant de l'uranium, au moins un promoteur de l'uranium et au moins un metal precieux et sa preparation
EP0692302A3 (fr) Catalyseur et procédé pour la purification de gaz d'échappement
EP0622107A3 (fr) Catalyseur pour purifier les gaz d'échappement d'un moteur diesel.
EP0734756A3 (fr) Catalyseur pour la purification de gaz d'échappement d'un moteur diesel
IT1219270B (it) Dispositivo per la riduzione dell'inquinamento atmosferico da gas di scarico di motori a combustione interna
EP1205236A3 (fr) Catalyseur pour la purification de gaz d'échappement et procédé pour sa fabrication
KR910011326A (ko) 배기가스의 정화방법 및 그 장치
FR2343505A1 (fr) Catalyseur pour l'oxydation et la reduction catalytiques des constituants d'un gaz
EP0922840A3 (fr) Procédé de purification des gaz d'échappement d' un moteur à combustion interne et dispositif pour sa mise en oeuvre
JPS57153737A (en) Catalyst for purifying exhaust gas

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry