KR20080077112A - Ａｇ/ａｌ2ｏ3 ｈｃ-ｓｃｒ 촉매 위로의 코킹을 감소시키는방법 - Google Patents

Ａｇ/ａｌ2ｏ3 ｈｃ-ｓｃｒ 촉매 위로의 코킹을 감소시키는방법 Download PDF

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Publication number
KR20080077112A
KR20080077112A KR1020087011360A KR20087011360A KR20080077112A KR 20080077112 A KR20080077112 A KR 20080077112A KR 1020087011360 A KR1020087011360 A KR 1020087011360A KR 20087011360 A KR20087011360 A KR 20087011360A KR 20080077112 A KR20080077112 A KR 20080077112A
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South Korea
Prior art keywords
exhaust stream
exhaust
hydrocarbon
engine
present
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.)
Withdrawn
Application number
KR1020087011360A
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English (en)
Korean (ko)
Inventor
라즈 라오 라자람
아타나시오스 트솔라키스
발레리 마리 르네 오엘
Original Assignee
존슨 맛쎄이 퍼블릭 리미티드 컴파니
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Publication of KR20080077112A publication Critical patent/KR20080077112A/ko
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F01N3/18—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 characterised by methods of operation; Control
    • F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • B01D53/90—Injecting reactants
    • 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
    • B01D53/9404—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
    • 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
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N3/18—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 characterised by methods of operation; Control
    • F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
KR1020087011360A 2005-11-14 2006-11-09 Ａｇ/ａｌ2ｏ3 ｈｃ-ｓｃｒ 촉매 위로의 코킹을 감소시키는방법 Withdrawn KR20080077112A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0523135.2 2005-11-14
GBGB0523135.2A GB0523135D0 (en) 2005-11-14 2005-11-14 Reducing coking over Ag/A1203 HC-SCR catalyst

Publications (1)

Publication Number Publication Date
KR20080077112A true KR20080077112A (ko) 2008-08-21

Family

ID=35516852

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087011360A Withdrawn KR20080077112A (ko) 2005-11-14 2006-11-09 Ａｇ/ａｌ2ｏ3 ｈｃ-ｓｃｒ 촉매 위로의 코킹을 감소시키는방법

Country Status (8)

Country Link
US (1) US8387367B2 (https=)
EP (1) EP1948351A1 (https=)
JP (1) JP4938021B2 (https=)
KR (1) KR20080077112A (https=)
CN (1) CN101309742A (https=)
AU (1) AU2006313538A1 (https=)
GB (1) GB0523135D0 (https=)
WO (1) WO2007054740A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0318776D0 (en) 2003-08-09 2003-09-10 Johnson Matthey Plc Lean NOx catalyst
KR101158816B1 (ko) * 2009-08-21 2012-06-26 기아자동차주식회사 디젤 차량의 배기 장치
KR20110024598A (ko) * 2009-09-02 2011-03-09 현대자동차주식회사 디젤 자동차의 질소산화물 저감 장치
US8813690B2 (en) * 2009-10-30 2014-08-26 Cummins Inc. Engine control techniques to account for fuel effects
DE102009047067A1 (de) * 2009-11-24 2011-05-26 Robert Bosch Gmbh Verfahren zum Betreiben einer Dosiervorrichtung und Vorrichtung zur Durchführung des Verfahrens
GB2485530A (en) * 2010-11-11 2012-05-23 Johnson Matthey Plc Catalyst system
US9188041B2 (en) 2011-10-31 2015-11-17 General Electric Company System and method for reducing mono-nitrogen oxide emissions
AU2017323141B2 (en) * 2016-09-12 2020-09-10 Cataler Corporation Exhaust gas purification catalyst and method for manufacturing exhaust gas purification catalyst
JP2019148232A (ja) * 2018-02-27 2019-09-05 東京濾器株式会社 排気ガス処理システム、排気ガス浄化方法
US11339745B1 (en) * 2020-02-07 2022-05-24 Rolls-Royce North American Technologies Inc. Dual flowpath exhaust for fuel cooling in a hypersonic propulsion system

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857921A (en) * 1972-09-27 1974-12-31 Asahi Chemical Ind Method for eliminating nitrogen oxides and catalyst composition for use in practicing said method
JP2863567B2 (ja) 1989-10-03 1999-03-03 株式会社リケン 排ガス浄化材及び排ガス浄化方法
JP2971081B2 (ja) 1989-11-13 1999-11-02 株式会社日立製作所 脱臭触媒
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
CA2124439A1 (en) * 1991-11-26 1993-06-10 Kenneth E. Voss Oxidation catalyst and method of use
EP0577438B1 (en) 1992-07-03 2001-05-16 Kabushiki Kaisha Riken Exhaust gas cleaner and method of cleaning exhaust gas
JP3447384B2 (ja) 1993-09-29 2003-09-16 本田技研工業株式会社 排気ガス浄化用触媒
CA2138333A1 (en) 1993-12-17 1995-06-18 Takashi Itoh Nox removal catalyst and method of purifying exhaust gas by using the same
DE4404617C2 (de) * 1994-02-14 1998-11-05 Daimler Benz Ag Vorrichtung zur selektiven katalysierten NO¶x¶-Reduktion in sauerstoffhaltigen Abgasen von Brennkraftmaschinen
US5714130A (en) 1994-11-28 1998-02-03 Kabushiki Kaisha Riken Exhaust gas cleaner and method for cleaning exhaust gas
US5593933A (en) * 1995-08-30 1997-01-14 Ford Motor Company Refractory oxides based silver-tungsten lean-NOx catalyst
EP0761289A3 (en) 1995-09-08 1997-05-02 Riken Kk Exhaust gas purifiers and exhaust gas purification methods
WO1997041336A1 (en) * 1996-04-26 1997-11-06 Komatsu Ltd. Apparatus and method for regenerating nox catalyst for diesel engines
JPH11342339A (ja) 1998-03-31 1999-12-14 Mazda Motor Corp 排気ガス浄化用触媒
JP3565035B2 (ja) 1998-07-10 2004-09-15 三菱ふそうトラック・バス株式会社 燃焼排ガス用ＮＯｘ還元システム
JP2000064827A (ja) 1998-08-24 2000-02-29 Mazda Motor Corp 燃焼機関の排気ガス浄化装置
JP2000093803A (ja) * 1998-09-18 2000-04-04 Nissan Motor Co Ltd 排気ガス浄化用触媒及び排気ガス浄化方法
US6176078B1 (en) 1998-11-13 2001-01-23 Engelhard Corporation Plasma fuel processing for NOx control of lean burn engines
FR2787037B1 (fr) * 1998-12-09 2002-01-11 Inst Francais Du Petrole Procede et dispositif d'elimination des oxydes d'azote dans une ligne d'echappement de moteur a combustion interne
DE19908023A1 (de) 1999-02-25 2000-08-31 Dornier Gmbh Verfahren und Element zur Speicherung von in einem Gas enthaltenen Stickoxiden
US6237326B1 (en) * 1999-08-24 2001-05-29 Ford Global Technolgies, Inc. Engine control system and method with lean catalyst and particulate filter
US6314722B1 (en) * 1999-10-06 2001-11-13 Matros Technologies, Inc. Method and apparatus for emission control
JP2001115825A (ja) 1999-10-19 2001-04-24 Yanmar Diesel Engine Co Ltd 火花点火式エンジンの脱硝方法
JP2001113134A (ja) 1999-10-20 2001-04-24 Tokyo Gas Co Ltd ＮＯｘ含有排ガスの浄化方法
US20010035006A1 (en) 2000-02-01 2001-11-01 Danan Dou Sulfur trap in NOx adsorber systems for enhanced sulfur resistance
US6311484B1 (en) * 2000-02-22 2001-11-06 Engelhard Corporation System for reducing NOx transient emission
GB0020287D0 (en) * 2000-08-17 2000-10-04 Aea Technology Plc The catalytic treatment of gases
GB2374559A (en) 2001-04-20 2002-10-23 Accentus Plc Removal of nitrogen oxides from effluent gases
JP3659193B2 (ja) 2001-06-08 2005-06-15 日産自動車株式会社 内燃機関の排気浄化システム
JP2002370031A (ja) 2001-06-13 2002-12-24 Sumitomo Metal Mining Co Ltd 排ガス浄化用触媒、並びにそれを使用する触媒体、排ガス浄化用触媒被覆構造体及び排ガス浄化方法
WO2003031780A1 (en) 2001-10-11 2003-04-17 Southwest Research Institute Systems and method for controlling diesel engine emissions
US20030073566A1 (en) * 2001-10-11 2003-04-17 Marshall Christopher L. Novel catalyst for selective NOx reduction using hydrocarbons
WO2004022229A1 (en) 2002-09-04 2004-03-18 The University Of Chicago Novel catalyst for selective nox reduction using hydrocarbons
JP2005538301A (ja) * 2002-09-13 2005-12-15 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 圧縮着火機関排ガスの処理方法
CN100355488C (zh) * 2003-05-07 2007-12-19 韩国高化环保技术有限公司 通过多次喷射还原氮氧化物的催化方法及其用法
DE10331393B4 (de) 2003-07-11 2006-10-26 Adam Opel Ag Verfahren und Katalysator zur Reduzierung der Emissionen nicht-dieselgetriebener Motoren mit SCR-Katalysatoren
GB0318776D0 (en) 2003-08-09 2003-09-10 Johnson Matthey Plc Lean NOx catalyst
US7490464B2 (en) * 2003-11-04 2009-02-17 Basf Catalysts Llc Emissions treatment system with NSR and SCR catalysts
US6990854B2 (en) * 2003-11-19 2006-01-31 Ford Global Technologies, Llc Active lean NOx catalyst diagnostics
JP4567968B2 (ja) 2003-12-25 2010-10-27 トヨタ自動車株式会社 排ガス浄化装置及び排ガス浄化方法
US7481983B2 (en) * 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
GB0514188D0 (en) 2005-07-12 2005-08-17 Johnson Matthey Plc Desulphating Ag/A1203 hc-scr catalyst
US7396517B2 (en) * 2005-08-05 2008-07-08 Gm Global Technology Operations, Inc. Reduction of NOx emissions using a staged silver/alumina catalyst system

Also Published As

Publication number Publication date
JP4938021B2 (ja) 2012-05-23
AU2006313538A1 (en) 2007-05-18
WO2007054740A1 (en) 2007-05-18
CN101309742A (zh) 2008-11-19
GB0523135D0 (en) 2005-12-21
JP2009516125A (ja) 2009-04-16
US8387367B2 (en) 2013-03-05
EP1948351A1 (en) 2008-07-30
US20100205935A1 (en) 2010-08-19

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PA0105 International application

Patent event date: 20080513

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid