DE69628206D1 - Katalysator und methode zur abgasreinigung - Google Patents

Katalysator und methode zur abgasreinigung

Info

Publication number
DE69628206D1
DE69628206D1 DE69628206T DE69628206T DE69628206D1 DE 69628206 D1 DE69628206 D1 DE 69628206D1 DE 69628206 T DE69628206 T DE 69628206T DE 69628206 T DE69628206 T DE 69628206T DE 69628206 D1 DE69628206 D1 DE 69628206D1
Authority
DE
Germany
Prior art keywords
exhaust gas
gas purification
purification catalyst
catalyst
exhaust
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
DE69628206T
Other languages
English (en)
Other versions
DE69628206T2 (de
Inventor
Makoto Kawanami
Makoto Horiuchi
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
International Catalyst Technology Inc
Original Assignee
ICT Co Ltd
International Catalyst Technology Inc
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, International Catalyst Technology Inc filed Critical ICT Co Ltd
Priority claimed from PCT/JP1996/003798 external-priority patent/WO1998029188A1/ja
Application granted granted Critical
Publication of DE69628206D1 publication Critical patent/DE69628206D1/de
Publication of DE69628206T2 publication Critical patent/DE69628206T2/de
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
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts 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
    • B01J23/83—Catalysts 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 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • 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
    • 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
    • B01D2255/2066—Praseodymium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • 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
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69628206T 1996-12-26 1996-12-26 Katalysator und methode zur abgasreinigung Expired - Lifetime DE69628206T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/003798 WO1998029188A1 (fr) 1996-12-26 1996-12-26 Catalyseur pour epuration de gaz d'echappement et procede d'epuration de gaz de combustion

Publications (2)

Publication Number Publication Date
DE69628206D1 true DE69628206D1 (de) 2003-06-18
DE69628206T2 DE69628206T2 (de) 2004-04-08

Family

ID=14154296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628206T Expired - Lifetime DE69628206T2 (de) 1996-12-26 1996-12-26 Katalysator und methode zur abgasreinigung

Country Status (2)

Country Link
US (1) US6287527B1 (de)
DE (1) DE69628206T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226112B4 (de) * 1992-08-07 2006-01-12 Engelhard Corp. Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas
EP1172531B1 (de) * 2000-02-16 2005-04-20 Toyota Jidosha Kabushiki Kaisha Verfahren und vorrichtung zum reinigen von abgasen
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
US6903051B2 (en) * 2002-04-12 2005-06-07 Corning Incorporated In situ theta alumina coated monolithic catalyst supports
JP4277771B2 (ja) * 2004-09-09 2009-06-10 トヨタ自動車株式会社 排ガス浄化用触媒、排ガス浄化装置および内燃機関を備えるシステム
US7776280B2 (en) * 2005-05-10 2010-08-17 Emcon Technologies Llc Method and apparatus for selective catalytic reduction of NOx
US7521033B2 (en) * 2005-12-22 2009-04-21 Basf Catalysts Llc Exhaust inlet metallic foam trap coupled to a downstream monolithic precious metal catalyst
US7527774B2 (en) * 2005-12-22 2009-05-05 Basf Catalysts Llc Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms
JP2007209913A (ja) * 2006-02-10 2007-08-23 Mazda Motor Corp 触媒材およびその製造方法並びにディーゼルパティキュレートフィルタ
WO2007098129A1 (en) * 2006-02-17 2007-08-30 Syntroleum Corporation Process air desulfurization for syngas production
US7335621B2 (en) * 2006-04-19 2008-02-26 Exxonmobil Chemical Patents Inc. Catalyst compositions and preparation thereof
US7595275B2 (en) * 2006-08-15 2009-09-29 Exxonmobil Chemical Patents Inc. Catalyst compositions and their synthesis
JP5118886B2 (ja) * 2007-05-21 2013-01-16 国立大学法人 熊本大学 酸素吸放出材及びそれを含む排ガス浄化用触媒
JP5118885B2 (ja) * 2007-05-21 2013-01-16 国立大学法人 熊本大学 酸素吸放出材及びそれを含む排ガス浄化用触媒
US8273154B2 (en) * 2009-06-24 2012-09-25 Johanshir Golchin Fire brick mercury removal process from flue gas
TWI414343B (zh) * 2010-10-29 2013-11-11 Nat Univ Tsing Hua An electrochemical catalyst converter for controlling exhaust emissions
JP2014124631A (ja) * 2012-12-27 2014-07-07 Toyota Motor Corp 排ガス浄化触媒及び排ガス浄化方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226340A (en) 1960-05-04 1965-12-28 Ethyl Corp Catalyst compositions comprising alumina with an inner lamina of metal oxide and an outermost lamina of copper oxide
US3835032A (en) * 1971-07-26 1974-09-10 Grace W R & Co Catalytic cracking with silver-rare earth or copper-rare earth exchanged y-type zeolite
JPS5621465B2 (de) 1972-03-07 1981-05-19
JPS5114890A (de) 1974-07-29 1976-02-05 Hitachi Ltd
DE2501810A1 (de) 1974-02-25 1975-08-28 Babcock Hitachi Kk Katalysator und verfahren zur reduktion von stickstoffoxiden
US4228036A (en) * 1979-06-18 1980-10-14 Gulf Research & Development Company Alumina-aluminum phosphate-silica-zeolite catalyst
EP0101111B1 (de) 1982-08-09 1986-01-22 Shell Internationale Researchmaatschappij B.V. Verfahren und katalytische Zusammensetzung zur Herstellung von Aldehyden, und so erhaltene Aldehyde
JPH06182201A (ja) 1984-07-31 1994-07-05 Hitachi Ltd 高温で安定な触媒及びその調製法ならびにその触媒を用いて化学反応を実施する方法
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
KR910008717B1 (ko) * 1987-11-09 1991-10-19 가부시끼가이샤 도시바 초전도체
US5130109A (en) * 1990-02-22 1992-07-14 Wan Chung Zong Catalyst composition containing segregated platinum and rhodium components
JPH04219147A (ja) 1990-12-18 1992-08-10 Tosoh Corp 排ガス浄化触媒
JPH05137963A (ja) 1991-11-19 1993-06-01 Sumitomo Metal Mining Co Ltd 窒素酸化物の除去方法
JPH07213900A (ja) 1994-02-10 1995-08-15 Takeda Chem Ind Ltd 窒素酸化物の分解除去触媒およびその製造法

Also Published As

Publication number Publication date
US6287527B1 (en) 2001-09-11
DE69628206T2 (de) 2004-04-08

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