JP4478368B2 - 排気ガスの処理 - Google Patents

排気ガスの処理 Download PDF

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Publication number
JP4478368B2
JP4478368B2 JP2001501350A JP2001501350A JP4478368B2 JP 4478368 B2 JP4478368 B2 JP 4478368B2 JP 2001501350 A JP2001501350 A JP 2001501350A JP 2001501350 A JP2001501350 A JP 2001501350A JP 4478368 B2 JP4478368 B2 JP 4478368B2
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JP
Japan
Prior art keywords
nox
catalyst
reactant
oxidation
soot
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
Application number
JP2001501350A
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English (en)
Japanese (ja)
Other versions
JP2003501579A5 (enExample
JP2003501579A (ja
Inventor
ロバート、ジェイムズ、ブリスレイ
マーティン、ビンセント、トゥイッグ
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
Original Assignee
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 JP2003501579A publication Critical patent/JP2003501579A/ja
Publication of JP2003501579A5 publication Critical patent/JP2003501579A5/ja
Application granted granted Critical
Publication of JP4478368B2 publication Critical patent/JP4478368B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
JP2001501350A 1999-06-09 2000-05-30 排気ガスの処理 Expired - Fee Related JP4478368B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9913331.6A GB9913331D0 (en) 1999-06-09 1999-06-09 Treatment of exhaust gas
GB9913331.6 1999-06-09
PCT/GB2000/002062 WO2000074823A1 (en) 1999-06-09 2000-05-30 Treatment of exhaust gas

Publications (3)

Publication Number Publication Date
JP2003501579A JP2003501579A (ja) 2003-01-14
JP2003501579A5 JP2003501579A5 (enExample) 2007-07-26
JP4478368B2 true JP4478368B2 (ja) 2010-06-09

Family

ID=10854962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001501350A Expired - Fee Related JP4478368B2 (ja) 1999-06-09 2000-05-30 排気ガスの処理

Country Status (6)

Country Link
US (1) US6696031B1 (enExample)
EP (1) EP1198284B1 (enExample)
JP (1) JP4478368B2 (enExample)
DE (1) DE60001421T2 (enExample)
GB (1) GB9913331D0 (enExample)
WO (1) WO2000074823A1 (enExample)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9919013D0 (en) 1999-08-13 1999-10-13 Johnson Matthey Plc Reactor
US6710454B1 (en) * 2000-02-16 2004-03-23 Micron Technology, Inc. Adhesive layer for an electronic apparatus having multiple semiconductor devices
DE10128414A1 (de) * 2001-06-12 2002-12-19 Daimler Chrysler Ag Abgasreinigungsanlage mit Reduktionsmittelversorgung
JP3840923B2 (ja) * 2001-06-20 2006-11-01 いすゞ自動車株式会社 ディーゼルエンジンの排気浄化装置
GB0125890D0 (en) * 2001-10-27 2001-12-19 Johnson Matthey Plc Exhaust system for an internal combustion engine
US7264785B2 (en) 2001-12-20 2007-09-04 Johnson Matthey Public Limited Company Selective catalytic reduction
FR2836513B1 (fr) * 2002-02-25 2005-12-02 Renault Vehicules Ind Ligne d'echappement et vehicule a moteur ainsi equipe
DE10207986A1 (de) * 2002-02-25 2003-09-04 Daimler Chrysler Ag Abgasreinigungsanlage für eine Brennkraftmaschine
GB0220645D0 (en) 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
DE10241063A1 (de) * 2002-09-05 2004-03-11 Robert Bosch Gmbh Verfahren zur Abgasnachbehandlung und Vorrichtung hierzu
US7175821B2 (en) * 2002-09-30 2007-02-13 Tronox Llc Reactor and process for reducing emissions of CO and NOx
US7071141B2 (en) * 2002-10-24 2006-07-04 Ford Global Technologies, Llc Perovskite catalyst system for lean burn engines
US6928806B2 (en) * 2002-11-21 2005-08-16 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
DE10301603B4 (de) * 2003-01-17 2020-03-19 Robert Bosch Gmbh Verfahren zum Dosieren von Ammoniak oder eines Ammoniak freisetzenden Reagenzmittels in ein Abgas
WO2004071646A2 (en) * 2003-02-12 2004-08-26 Delphi Technologies, Inc. SYSTEM AND METHOD OF NOx ABATEMENT
DE10308288B4 (de) * 2003-02-26 2006-09-28 Umicore Ag & Co. Kg Verfahren zur Entfernung von Stickoxiden aus dem Abgas eines mager betriebenen Verbrennungsmotors und Abgasreinigungsanlage hierzu
GB0304939D0 (en) 2003-03-05 2003-04-09 Johnson Matthey Plc Light-duty diesel engine and a particulate filter therefor
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
US20050056006A1 (en) * 2003-08-15 2005-03-17 Yinyan Huang Process for reducing diesel enigne emissions
JP2005214159A (ja) * 2004-02-02 2005-08-11 Hino Motors Ltd 排気浄化装置
GB0418884D0 (en) * 2004-08-24 2004-09-29 Ass Octel Method and apparatus for reducing emission of particles and NOx
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
DE102005031816A1 (de) 2005-07-06 2007-01-18 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Reduzierung des Partikel- und Stickoxidanteils im Abgasstrom einer Verbrennungskraftmaschine und entsprechende Abgasaufbereitungseinheit
US7943547B2 (en) * 2005-09-14 2011-05-17 Hamilton Sundstrand Space Systems International, Inc. Selective catalytic oxidation of ammonia to water and nitrogen
DE102006023035A1 (de) * 2005-12-20 2007-06-28 Kirchhoff, Reinhold, Dr.-Ing. Verfahren zur Entfernung von Kohlenstoffdioxiden aus Abgasströmen
US20070178025A1 (en) * 2006-01-31 2007-08-02 Opris Cornelius N Exhaust treatment system
DE112007000322B4 (de) * 2006-03-02 2019-04-18 Avl List Gmbh Abgassystem für eine Brennkraftmaschine
AT501066B1 (de) * 2006-03-02 2008-11-15 Avl List Gmbh Abgassystem für eine brennkraftmaschine
US7862640B2 (en) 2006-03-21 2011-01-04 Donaldson Company, Inc. Low temperature diesel particulate matter reduction system
DE502006002815D1 (de) 2006-03-23 2009-03-26 Ford Global Tech Llc Verfahren zum Betreiben einer Brennkraftmaschine mit Abgasnachbehandlung
TWI449572B (zh) * 2006-11-29 2014-08-21 Umicore Shokubai Japan Co Ltd Oxidation catalyst and the oxidation catalyst using an exhaust gas purification system
JP4656071B2 (ja) * 2007-03-01 2011-03-23 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2014348A2 (en) * 2007-06-22 2009-01-14 Paul Scherer Institut A method and a system for a treatment of a NOx- and soot-containing exhaust gas
JP4274270B2 (ja) * 2007-06-26 2009-06-03 いすゞ自動車株式会社 ＮＯｘ浄化システム及びＮＯｘ浄化システムの制御方法
US9863297B2 (en) 2007-12-12 2018-01-09 Basf Corporation Emission treatment system
US8151558B2 (en) * 2008-01-31 2012-04-10 Caterpillar Inc. Exhaust system implementing SCR and EGR
GB0812544D0 (en) * 2008-07-09 2008-08-13 Johnson Matthey Plc Exhaust system for a lean burn IC engine
DE102008037156A1 (de) 2008-08-08 2010-02-18 Audi Ag Verfahren und eine Vorrichtung zur Reinigung eines Abgasstroms einer magerlauffähigen Brennkraftmaschine
DE102008038721A1 (de) * 2008-08-12 2010-02-18 Man Nutzfahrzeuge Ag Verfahren und Vorrichtung zur Regeneration eines im Abgastrakt einer Brennkraftmaschine angeordneten Partikelfilters
US8171722B2 (en) * 2008-12-05 2012-05-08 Caterpillar Inc. Fluid delivery system
US8997465B2 (en) * 2009-02-20 2015-04-07 Haldor Topsoe A/S Method for purification of exhaust gas from a diesel engine
US8191354B2 (en) * 2009-10-20 2012-06-05 Ford Global Technologies, Llc Method and aftertreatment configuration to reduce engine cold-start NOx emissions
US7914747B1 (en) * 2010-04-23 2011-03-29 General Electric Company System and method for controlling and reducing NOx emissions
US8943808B2 (en) 2010-09-27 2015-02-03 Caterpillar Inc. Reductant dosing system
KR20120095747A (ko) * 2011-02-21 2012-08-29 한국에너지기술연구원 다기능성 배기가스 정화필터 및 이를 이용한 배기가스 정화장치
JP5651727B2 (ja) * 2013-03-05 2015-01-14 エヌ・イーケムキャット株式会社 選択還元触媒を用いた排気ガス浄化方法
DE102014008056B4 (de) * 2014-05-28 2021-12-30 Daimler Ag Verfahren zum Betreiben einer Abgasanlage einer Verbrennungskraftmaschine, insbesondere für einen Kraftwagen
AT516182B1 (de) * 2015-03-16 2016-03-15 Avl List Gmbh Verfahren zum ermitteln der konzentration zumindest eines reaktionsproduktes am ausgang eines katalysators
CN105486732A (zh) * 2015-10-15 2016-04-13 常州市鹰皇冠进出口有限公司 一种柴油机尾气质量监控装置
JP2018087497A (ja) * 2016-11-28 2018-06-07 パナソニックＩｐマネジメント株式会社 排ガス浄化装置
US20190091615A1 (en) * 2017-09-22 2019-03-28 Tenneco Automotive Operating Company Inc. Method And Apparatus For Preparation Of A Urea Solution
GB2570889B (en) 2018-02-07 2020-02-12 Ford Global Tech Llc An exhaust gas treatment device comprising an electrochemical cell
CN113834341A (zh) * 2021-09-28 2021-12-24 中国华能集团清洁能源技术研究院有限公司 用于水泥厂烟气的低温脱硫脱硝方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902487A (en) 1988-05-13 1990-02-20 Johnson Matthey, Inc. Treatment of diesel exhaust gases
DE4203219A1 (de) * 1992-02-05 1993-08-12 Basf Ag Verfahren zur stickoxidminderung in abgasen durch gesteuerte nh(pfeil abwaerts)3(pfeil abwaerts)-zugabe
US6471924B1 (en) * 1995-07-12 2002-10-29 Engelhard Corporation Method and apparatus for NOx abatement in lean gaseous streams
JP3899534B2 (ja) 1995-08-14 2007-03-28 トヨタ自動車株式会社 ディーゼル機関の排気浄化方法
GB9621215D0 (en) * 1996-10-11 1996-11-27 Johnson Matthey Plc Emission control
GB9801023D0 (en) * 1998-01-19 1998-03-18 Johnson Matthey Plc Combatting air pollution
GB9821947D0 (en) * 1998-10-09 1998-12-02 Johnson Matthey Plc Purification of exhaust gases
US6863874B1 (en) * 1998-10-12 2005-03-08 Johnson Matthey Public Limited Company Process and apparatus for treating combustion exhaust gas
US6877313B1 (en) 1998-12-05 2005-04-12 Johnson Matthey Public Limited Company Particulate control

Also Published As

Publication number Publication date
DE60001421T2 (de) 2003-08-14
EP1198284B1 (en) 2003-02-12
EP1198284A1 (en) 2002-04-24
US6696031B1 (en) 2004-02-24
WO2000074823A1 (en) 2000-12-14
GB9913331D0 (en) 1999-08-11
DE60001421D1 (de) 2003-03-20
JP2003501579A (ja) 2003-01-14

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