JP4938021B2 - Ａｇ／Ａｌ２Ｏ３ＨＣ−ＳＣＲ触媒上でのコーキングの低減 - Google Patents

Ａｇ／Ａｌ２Ｏ３ＨＣ−ＳＣＲ触媒上でのコーキングの低減 Download PDF

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Publication number
JP4938021B2
JP4938021B2 JP2008540702A JP2008540702A JP4938021B2 JP 4938021 B2 JP4938021 B2 JP 4938021B2 JP 2008540702 A JP2008540702 A JP 2008540702A JP 2008540702 A JP2008540702 A JP 2008540702A JP 4938021 B2 JP4938021 B2 JP 4938021B2
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Japan
Prior art keywords
exhaust gas
gas stream
hydrocarbon
present
amount
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
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JP2008540702A
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English (en)
Japanese (ja)
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JP2009516125A5 (enExample
JP2009516125A (ja
Inventor
ラジ、ラオ、ラジャラム
アサナシオス、ツォラキス
バレリー、マリー、ルネ、ウエル
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Johnson Matthey PLC
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Johnson Matthey PLC
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    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2008540702A 2005-11-14 2006-11-09 Ａｇ／Ａｌ２Ｏ３ＨＣ−ＳＣＲ触媒上でのコーキングの低減 Expired - Fee Related JP4938021B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0523135.2A GB0523135D0 (en) 2005-11-14 2005-11-14 Reducing coking over Ag/A1203 HC-SCR catalyst
GB0523135.2 2005-11-14
PCT/GB2006/050376 WO2007054740A1 (en) 2005-11-14 2006-11-09 Reducing coking over ag/al203 hc-scr catalyst

Publications (3)

Publication Number Publication Date
JP2009516125A JP2009516125A (ja) 2009-04-16
JP2009516125A5 JP2009516125A5 (enExample) 2009-12-24
JP4938021B2 true JP4938021B2 (ja) 2012-05-23

Family

ID=35516852

Family Applications (1)

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JP2008540702A Expired - Fee Related JP4938021B2 (ja) 2005-11-14 2006-11-09 Ａｇ／Ａｌ２Ｏ３ＨＣ−ＳＣＲ触媒上でのコーキングの低減

Country Status (8)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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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
EP3511073A4 (en) * 2016-09-12 2019-09-25 Cataler Corporation EXHAUST GAS CLEANING CATALYST AND METHOD FOR PRODUCING AN EXHAUST GAS CLEANING 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

Citations (4)

* Cited by examiner, † Cited by third party
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US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
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
JP2004506505A (ja) * 2000-08-17 2004-03-04 アクセンタス　パブリック　リミテッド　カンパニー エンジン排気ガスからのｎｏｘの除去方法及び装置
JP2004330191A (ja) * 2003-05-07 2004-11-25 Kocat Inc 多段噴射を利用する窒素酸化物低減触媒及びその用途

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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
JP4087897B2 (ja) * 1991-11-26 2008-05-21 バスフ・カタリスツ・エルエルシー 改良された酸化触媒および使用方法
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* Cited by examiner, † Cited by third party
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US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
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
JP2004506505A (ja) * 2000-08-17 2004-03-04 アクセンタス　パブリック　リミテッド　カンパニー エンジン排気ガスからのｎｏｘの除去方法及び装置
JP2004330191A (ja) * 2003-05-07 2004-11-25 Kocat Inc 多段噴射を利用する窒素酸化物低減触媒及びその用途

Also Published As

Publication number Publication date
US20100205935A1 (en) 2010-08-19
KR20080077112A (ko) 2008-08-21
US8387367B2 (en) 2013-03-05
EP1948351A1 (en) 2008-07-30
GB0523135D0 (en) 2005-12-21
CN101309742A (zh) 2008-11-19
WO2007054740A1 (en) 2007-05-18
JP2009516125A (ja) 2009-04-16
AU2006313538A1 (en) 2007-05-18

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