DE69516609D1 - Katalysator und Methode zum Zersetzen von Stickstoffoxiden in Dieselmotorabgas durch seine Verwendung - Google Patents

Katalysator und Methode zum Zersetzen von Stickstoffoxiden in Dieselmotorabgas durch seine Verwendung

Info

Publication number
DE69516609D1
DE69516609D1 DE69516609T DE69516609T DE69516609D1 DE 69516609 D1 DE69516609 D1 DE 69516609D1 DE 69516609 T DE69516609 T DE 69516609T DE 69516609 T DE69516609 T DE 69516609T DE 69516609 D1 DE69516609 D1 DE 69516609D1
Authority
DE
Germany
Prior art keywords
catalyst
diesel engine
nitrogen oxides
engine exhaust
decomposing nitrogen
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 - Lifetime
Application number
DE69516609T
Other languages
English (en)
Other versions
DE69516609T2 (de
Inventor
Okuda Norimasa
Horiuchi Makoto
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.)
ICT Co Ltd
Original Assignee
ICT 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 ICT Co Ltd filed Critical ICT Co Ltd
Application granted granted Critical
Publication of DE69516609D1 publication Critical patent/DE69516609D1/de
Publication of DE69516609T2 publication Critical patent/DE69516609T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066Zirconium or hafnium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/72Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/208Hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/2073Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20746Cobalt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20753Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20761Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20776Tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/92Dimensions
    • B01D2255/9202Linear dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/92Dimensions
    • B01D2255/9207Specific surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
DE69516609T 1994-09-14 1995-09-14 Katalysator und Methode zum Zersetzen von Stickstoffoxiden in Dieselmotorabgas durch seine Verwendung Expired - Lifetime DE69516609T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6220451A JPH0884911A (ja) 1994-09-14 1994-09-14 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

Publications (2)

Publication Number Publication Date
DE69516609D1 true DE69516609D1 (de) 2000-06-08
DE69516609T2 DE69516609T2 (de) 2000-10-05

Family

ID=16751328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516609T Expired - Lifetime DE69516609T2 (de) 1994-09-14 1995-09-14 Katalysator und Methode zum Zersetzen von Stickstoffoxiden in Dieselmotorabgas durch seine Verwendung

Country Status (4)

Country Link
US (1) US6193942B1 (de)
EP (1) EP0701859B1 (de)
JP (1) JPH0884911A (de)
DE (1) DE69516609T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002054422A (ja) * 2000-08-08 2002-02-20 Ngk Insulators Ltd セラミック製フィルター及びその製造方法
JP4564645B2 (ja) * 2000-11-27 2010-10-20 株式会社キャタラー 排ガス浄化用触媒
US6976353B2 (en) * 2002-01-25 2005-12-20 Arvin Technologies, Inc. Apparatus and method for operating a fuel reformer to provide reformate gas to both a fuel cell and an emission abatement device
BR0300729B1 (pt) * 2003-03-12 2013-04-09 processo de preparaÇço de catalisadores À base de cobre, catalisadores assim preparados e processo de obtenÇço de acetato de etila a partir de etanol.
US7488462B2 (en) * 2005-04-26 2009-02-10 The Ohio State University Multi-stage catalyst systems and uses thereof
US8226918B2 (en) * 2005-04-26 2012-07-24 The Ohio State University Catalyst systems and uses thereof
US7776280B2 (en) * 2005-05-10 2010-08-17 Emcon Technologies Llc Method and apparatus for selective catalytic reduction of NOx
US20070033929A1 (en) * 2005-08-11 2007-02-15 Arvinmeritor Emissions Technologies Gmbh Apparatus with in situ fuel reformer and associated method
US7655203B2 (en) * 2005-10-04 2010-02-02 General Electric Company Multi-component catalyst system and method for the reduction of NOx
US7431905B2 (en) * 2005-10-04 2008-10-07 General Electric Company Catalyst system and method for the reduction of NOx
US7210469B1 (en) * 2005-10-24 2007-05-01 International Engine Intellectual Property Company, Llc Oxidation catalyst coating in a heat exchanger
EP2193840A1 (de) * 2007-06-01 2010-06-09 Invista Technologies S.a.r.l. Katalysator und Verfahren zur Umwandlung von Distickstoffmonoxid
JP6273859B2 (ja) * 2014-01-27 2018-02-07 株式会社豊田中央研究所 三元触媒及びそれを用いた排ガス浄化方法
US9616384B2 (en) 2014-06-11 2017-04-11 Basf Se Base metal catalyst

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308109A1 (de) * 1972-02-21 1973-08-30 Shell Int Research Katalysator und seine verwendung zur behandlung von kraftfahrzeug-auspuffgasen
FR2218936A1 (en) * 1973-02-22 1974-09-20 Pro Catalyse Catalysts for redn. of nitrogen oxides - contg. nickel and copper oxides and a refractory oxide
JPH064126B2 (ja) * 1985-06-10 1994-01-19 株式会社日本触媒 排ガス浄化方法
JPH0611381B2 (ja) 1986-10-17 1994-02-16 株式会社豊田中央研究所 排ガス浄化方法
US4904633A (en) * 1986-12-18 1990-02-27 Nippon Shokubai Kagaku Kogyo Co., Ltd. Catalyst for purifying exhaust gas and method for production thereof
CA1334962C (en) * 1988-04-14 1995-03-28 Tomohisa Ohata Catalyst for purifying exhaust gas and method for production thereof
JP2732614B2 (ja) * 1988-10-18 1998-03-30 バブコツク日立株式会社 排ガス浄化用触媒および排ガス浄化方法
JP3113662B2 (ja) * 1990-02-26 2000-12-04 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体
KR100201748B1 (ko) * 1990-05-28 1999-06-15 사또 다께오 배기가스로부터 질소산화물을 제거하는 방법
JP2821033B2 (ja) * 1991-01-07 1998-11-05 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
CA2060229A1 (en) * 1991-02-05 1992-08-06 Toshiaki Hayasaka Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst
US5155077A (en) * 1991-09-03 1992-10-13 Ford Motor Company Catalyst for purification of lean-burn engine exhaust gas
CA2077101C (en) * 1991-09-05 2003-05-20 Makoto Horiuchi Catalyst for purifying exhaust gases of diesel engine
JPH05137963A (ja) 1991-11-19 1993-06-01 Sumitomo Metal Mining Co Ltd 窒素酸化物の除去方法

Also Published As

Publication number Publication date
DE69516609T2 (de) 2000-10-05
US6193942B1 (en) 2001-02-27
JPH0884911A (ja) 1996-04-02
EP0701859A1 (de) 1996-03-20
EP0701859B1 (de) 2000-05-03

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