CN101309742A - 降低在Ag/Al2O3HC－SCR催化剂上的结焦 - Google Patents

降低在Ag/Al2O3HC－SCR催化剂上的结焦 Download PDF

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Publication number
CN101309742A
CN101309742A CNA2006800425005A CN200680042500A CN101309742A CN 101309742 A CN101309742 A CN 101309742A CN A2006800425005 A CNA2006800425005 A CN A2006800425005A CN 200680042500 A CN200680042500 A CN 200680042500A CN 101309742 A CN101309742 A CN 101309742A
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CN
China
Prior art keywords
gas stream
nox
hydrocarbon
measure
exhaust system
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.)
Pending
Application number
CNA2006800425005A
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English (en)
Chinese (zh)
Inventor
R·R·拉亚拉姆
A·措拉基斯
V·M·R·韦尔
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.)
Johnson Matthey PLC
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Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of CN101309742A publication Critical patent/CN101309742A/zh
Pending legal-status Critical Current

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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

Landscapes

  • 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)
CNA2006800425005A 2005-11-14 2006-11-09 降低在Ag/Al2O3HC－SCR催化剂上的结焦 Pending CN101309742A (zh)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CN101309742A true CN101309742A (zh) 2008-11-19

Family

ID=35516852

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800425005A Pending CN101309742A (zh) 2005-11-14 2006-11-09 降低在Ag/Al2O3HC－SCR催化剂上的结焦

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000506A (zh) * 2009-09-02 2011-04-06 现代自动车株式会社 用于柴油机车辆的NOx还原设备
CN102071995A (zh) * 2009-11-24 2011-05-25 罗伯特.博世有限公司 使计量装置运行的方法和实施这方法的装置
CN109689204A (zh) * 2016-09-12 2019-04-26 株式会社科特拉 废气净化用催化剂和废气净化用催化剂的制造方法

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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
US8813690B2 (en) * 2009-10-30 2014-08-26 Cummins Inc. Engine control techniques to account for fuel effects
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
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

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000506A (zh) * 2009-09-02 2011-04-06 现代自动车株式会社 用于柴油机车辆的NOx还原设备
CN102000506B (zh) * 2009-09-02 2015-09-02 现代自动车株式会社 用于柴油机车辆的NOx还原设备
CN102071995A (zh) * 2009-11-24 2011-05-25 罗伯特.博世有限公司 使计量装置运行的方法和实施这方法的装置
CN102071995B (zh) * 2009-11-24 2015-09-23 罗伯特.博世有限公司 使计量装置运行的方法和实施这方法的装置
CN109689204A (zh) * 2016-09-12 2019-04-26 株式会社科特拉 废气净化用催化剂和废气净化用催化剂的制造方法
US11311859B2 (en) 2016-09-12 2022-04-26 Cataler Corporation Exhaust gas purification catalyst and method for manufacturing exhaust gas purification catalyst
CN109689204B (zh) * 2016-09-12 2022-06-24 株式会社科特拉 废气净化用催化剂和废气净化用催化剂的制造方法

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
JP4938021B2 (ja) 2012-05-23
WO2007054740A1 (en) 2007-05-18
JP2009516125A (ja) 2009-04-16
AU2006313538A1 (en) 2007-05-18

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Open date: 20081119