SE524367C2 - Förfarande och arrangemang för behandling av ett gasflöde - Google Patents

Förfarande och arrangemang för behandling av ett gasflöde

Info

Publication number
SE524367C2
SE524367C2 SE0000019A SE0000019A SE524367C2 SE 524367 C2 SE524367 C2 SE 524367C2 SE 0000019 A SE0000019 A SE 0000019A SE 0000019 A SE0000019 A SE 0000019A SE 524367 C2 SE524367 C2 SE 524367C2
Authority
SE
Sweden
Prior art keywords
exhaust gas
treatment unit
engine
gas treatment
exhaust
Prior art date
Application number
SE0000019A
Other languages
English (en)
Swedish (sv)
Other versions
SE0000019L (sv
SE0000019D0 (sv
Inventor
Edward Jobson
Mikael Larsson
Bjoern Heed
Stefan Witte
Original Assignee
Volvo Ab
Enklaven Ab
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 Volvo Ab, Enklaven Ab filed Critical Volvo Ab
Priority to SE0000019A priority Critical patent/SE524367C2/sv
Publication of SE0000019D0 publication Critical patent/SE0000019D0/xx
Priority to AT00987943T priority patent/ATE458134T1/de
Priority to DE60043860T priority patent/DE60043860D1/de
Priority to JP2001549898A priority patent/JP4723783B2/ja
Priority to AU24210/01A priority patent/AU2421001A/en
Priority to PCT/SE2000/002672 priority patent/WO2001049986A1/en
Priority to EP00987943A priority patent/EP1244869B1/de
Publication of SE0000019L publication Critical patent/SE0000019L/xx
Priority to US10/064,310 priority patent/US6845612B2/en
Publication of SE524367C2 publication Critical patent/SE524367C2/sv

Links

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
    • F01N3/0807—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
    • 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
    • B01D53/9495—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
    • F01N3/0807—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
    • F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
    • 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
    • F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2814—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates all sheets, plates or foils being corrugated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—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
    • 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]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • 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)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Catalysts (AREA)
SE0000019A 2000-01-05 2000-01-05 Förfarande och arrangemang för behandling av ett gasflöde SE524367C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0000019A SE524367C2 (sv) 2000-01-05 2000-01-05 Förfarande och arrangemang för behandling av ett gasflöde
AT00987943T ATE458134T1 (de) 2000-01-05 2000-12-27 Nox-katalysator mit temperaturregelung des abgases
DE60043860T DE60043860D1 (de) 2000-01-05 2000-12-27 Nox-katalysator mit temperaturregelung des abgases
JP2001549898A JP4723783B2 (ja) 2000-01-05 2000-12-27 排気ガスの温度調節を備えたＮＯｘ低減触媒
AU24210/01A AU2421001A (en) 2000-01-05 2000-12-27 Nox-reducing catalyst with temperature regulation of exhaust gases
PCT/SE2000/002672 WO2001049986A1 (en) 2000-01-05 2000-12-27 NOx-REDUCING CATALYST WITH TEMPERATURE REGULATION OF EXHAUST GASES
EP00987943A EP1244869B1 (de) 2000-01-05 2000-12-27 Nox-katalysator mit temperaturregelung des abgases
US10/064,310 US6845612B2 (en) 2000-01-05 2002-07-01 NOx-reducing catalyst with temperature regulation of exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0000019A SE524367C2 (sv) 2000-01-05 2000-01-05 Förfarande och arrangemang för behandling av ett gasflöde

Publications (3)

Publication Number Publication Date
SE0000019D0 SE0000019D0 (sv) 2000-01-05
SE0000019L SE0000019L (sv) 2001-07-06
SE524367C2 true SE524367C2 (sv) 2004-07-27

Family

ID=20278022

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0000019A SE524367C2 (sv) 2000-01-05 2000-01-05 Förfarande och arrangemang för behandling av ett gasflöde

Country Status (8)

Country Link
US (1) US6845612B2 (de)
EP (1) EP1244869B1 (de)
JP (1) JP4723783B2 (de)
AT (1) ATE458134T1 (de)
AU (1) AU2421001A (de)
DE (1) DE60043860D1 (de)
SE (1) SE524367C2 (de)
WO (1) WO2001049986A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE523018C2 (sv) * 2001-02-09 2004-03-23 Enklaven Ab Ljuddämpare och användning av sagda ljuddämpare i ett avgassystem för en förbränningsmotor
US7082753B2 (en) * 2001-12-03 2006-08-01 Catalytica Energy Systems, Inc. System and methods for improved emission control of internal combustion engines using pulsed fuel flow
US7165393B2 (en) * 2001-12-03 2007-01-23 Catalytica Energy Systems, Inc. System and methods for improved emission control of internal combustion engines
DE10242302A1 (de) * 2002-09-12 2004-03-18 Robert Bosch Gmbh Anordnung zur Nachbehandlung des Abgases einer Brennkraftmaschine und Verfahren hierzu
EP1479883A1 (de) * 2003-05-10 2004-11-24 Universität Stuttgart Verfahren und Vorrichtung zur Reinigung von Abgasen
AU2003293617A1 (en) * 2003-10-20 2005-05-19 Honeywell International Inc. Variable position catalyst
US7117669B2 (en) * 2004-05-05 2006-10-10 Eaton Corporation Temperature swing adsorption and selective catalytic reduction NOx removal system
US20050249645A1 (en) * 2004-05-05 2005-11-10 Eaton Corporation Catalyst and adsorbant bed configurations suitable for mobile applications
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
US7588440B2 (en) * 2005-04-13 2009-09-15 Babcock & Wilcox Power Generation Group, Inc. Carrier air heating system for SCR
US7251929B2 (en) * 2005-07-07 2007-08-07 Eaton Corporation Thermal management of hybrid LNT/SCR aftertreatment during desulfation
US20070079605A1 (en) 2005-10-07 2007-04-12 Eaton Corporation Exhaust aftertreatment system with transmission control
US20090141769A1 (en) * 2007-11-30 2009-06-04 Darryl Dean Baldwin Temperature maintenance system for a sensor
US7966811B2 (en) * 2007-11-30 2011-06-28 Perkins Engines Company Limited Exhaust treatment system having a diverter valve
US20090199537A1 (en) * 2008-02-11 2009-08-13 Detroit Diesel Corporation Methods to protect selective catalyst reducer aftertreatment devices during uncontrolled diesel particulate filter regeneration
US8343448B2 (en) * 2008-09-30 2013-01-01 Ford Global Technologies, Llc System for reducing NOx in exhaust
US8431099B2 (en) * 2009-10-28 2013-04-30 Haldor Topsoe A/S Process and apparatus for purification of an exhaust gas from an internal combustion engine
KR101664494B1 (ko) * 2010-07-08 2016-10-13 두산인프라코어 주식회사 요소 수용액과 엔진 배기가스의 혼합을 위한 정적 혼합기
CN112403182B (zh) * 2019-11-05 2022-12-02 中冶长天国际工程有限责任公司 一种解析塔及烟气加热系统

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415973B2 (de) * 1972-05-08 1979-06-19
IT1070099B (it) * 1975-09-23 1985-03-25 Degussa Catalizzatore supportato monolitico e disposizione di catalizzatori supportati monolitici per la depurazione dei gas di scarico di motori a combustione
DE3437477A1 (de) * 1984-10-12 1986-01-02 Daimler-Benz Ag, 7000 Stuttgart Katalytischer waermeaustauscher
US4671059A (en) * 1986-06-30 1987-06-09 Ontario Research Foundation Diesel particulate traps
US4976929A (en) * 1988-05-20 1990-12-11 W. R. Grace & Co.-Conn. Electrically heated catalytic converter
US5118475A (en) * 1989-09-12 1992-06-02 W. R. Grace & Co.-Conn. Core element and core for electrically heatable catalytic converter
SE466068B (sv) 1990-04-25 1991-12-09 Volvo Ab Anordning foer reglering av avgastemperaturen vid en foerbraenningsmotor med avgassystem och katalysator
US5296198A (en) * 1990-11-09 1994-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
JP2748686B2 (ja) * 1990-11-16 1998-05-13 トヨタ自動車株式会社 筒内直接噴射式火花点火機関
DE4109227A1 (de) 1991-03-21 1992-09-24 Schwaebische Huettenwerke Gmbh Abgasfilter und/oder katalysator
DE4214579A1 (de) * 1992-04-30 1993-11-04 Gerd Gaiser Reaktor zur katalytischen behandlung gasfoermiger fluide
JP2605556B2 (ja) * 1992-10-13 1997-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
KR950704598A (ko) * 1992-11-19 1995-11-20 스티븐 아이. 밀러 엔진 배기 가스 스트림 처리 방법 및 장치(Method and Apparatus for Treating an Engine Exhaust Gas Stream)
JPH06185342A (ja) 1992-12-21 1994-07-05 Mazda Motor Corp 排気ガス浄化装置
JP2754443B2 (ja) * 1992-12-24 1998-05-20 本田技研工業株式会社 内燃機関の二次空気供給装置
ES2101996T3 (es) * 1993-08-05 1997-07-16 Sulzer Chemtech Ag Catalizador de gas de escape, especialmente para automoviles.
JP3526084B2 (ja) 1993-12-28 2004-05-10 日本碍子株式会社 排ガス浄化用吸着・触媒体、吸着体、排ガス浄化システム及び排ガス浄化方法
US5451558A (en) * 1994-02-04 1995-09-19 Goal Line Environmental Technologies Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making the same
DE4405045C2 (de) 1994-02-17 1998-04-09 Eberspaecher J Gmbh & Co Vorrichtung zur brennerthermischen Motorabgas-Nachbehandlung sowie deren Verwendung
DE4426020B4 (de) * 1994-07-22 2005-07-28 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung der Funktionsfähigkeit eines Katalysators im Abgaskanal einer Brennkraftmaschine
SE503172C2 (sv) * 1994-08-04 1996-04-15 Bjoern Heed Katalytisk reningsanordning
SE511260C2 (sv) * 1998-01-26 1999-09-06 Bjoern Heed Katalytisk gasbehandlingsanordning med packe av bandmaterial
US6207116B1 (en) * 1994-08-04 2001-03-27 Enklaven Ab Catalytic purification device
SE504095C2 (sv) 1995-03-01 1996-11-11 Volvo Ab Anordning för katalytisk avgasrening med två katalysatorenheter i serie
US5687565A (en) * 1995-11-29 1997-11-18 Amoco Corporation Control of exhaust emissions from an internal combustion engine
FR2772829B1 (fr) * 1997-12-24 2000-03-03 Valeo Thermique Moteur Sa Pot catalytique a gestion de temperature, notamment pour un vehicule automobile
US5983628A (en) * 1998-01-29 1999-11-16 Chrysler Corporation System and method for controlling exhaust gas temperatures for increasing catalyst conversion of NOx emissions
US5979159A (en) * 1998-03-16 1999-11-09 Ford Global Technologies, Inc. Exhaust after-treatment system for automotive vehicle
US6202406B1 (en) * 1998-03-30 2001-03-20 Heralus Electro-Nite International N.V. Method and apparatus for catalyst temperature control
DE19816276C2 (de) * 1998-04-11 2000-05-18 Audi Ag Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
SE519240C2 (sv) * 1998-11-20 2003-02-04 Volvo Personvagnar Ab Arrangemang vid förbränningsmotor innefattandes en värmeväxlare för anpassning av temperaturen hos avgaser vilka ska passera en NOx-adsorberande katalysator
DE19910503C1 (de) * 1999-03-10 2000-07-06 Daimler Chrysler Ag Verfahren und Vorrichtung zur periodischen Desulfatisierung eines Stickoxid- oder Schwefeloxid-Speichers mit Fett/Mager-Motorzylinderaufteilung
US6347511B1 (en) * 1999-12-21 2002-02-19 Ford Global Technologies, Inc. Exhaust gas purification system for lean burn engine

Also Published As

Publication number Publication date
ATE458134T1 (de) 2010-03-15
US20030074888A1 (en) 2003-04-24
WO2001049986A1 (en) 2001-07-12
US6845612B2 (en) 2005-01-25
SE0000019L (sv) 2001-07-06
AU2421001A (en) 2001-07-16
JP2003524728A (ja) 2003-08-19
SE0000019D0 (sv) 2000-01-05
JP4723783B2 (ja) 2011-07-13
EP1244869A1 (de) 2002-10-02
DE60043860D1 (de) 2010-04-01
EP1244869B1 (de) 2010-02-17

Similar Documents

Publication Publication Date Title
US6996975B2 (en) Multistage reductant injection strategy for slipless, high efficiency selective catalytic reduction
US6209316B1 (en) Method for running a diesel engine
CA2235734C (en) Method and device for purifying exhaust gas of engine
KR100413551B1 (ko) 내연 기관의 배기 정화 장치
EP1284807B1 (de) Vorrichtung und verfahren zur verringerung einer gaskomponente im abgasstrom eines verbrennungsmotors
US9328682B2 (en) Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters
EP1244869B1 (de) Nox-katalysator mit temperaturregelung des abgases
CN1936293A (zh) 内燃机的空燃比控制装置
JPH0932540A (ja) ディーゼルエンジンの排ガス浄化装置
JPH04175416A (ja) 内燃機関の排気浄化装置
JPH102213A (ja) 排気浄化方法及びその装置
US9777654B2 (en) Method and apparatus for improved lightoff performance of aftertreatment catalysts
JP4062231B2 (ja) 内燃機関の排気浄化装置
KR101615866B1 (ko) 내연 기관의 배기 정화 장치
JP2013174203A (ja) 排ガス浄化装置
JP5994931B2 (ja) 内燃機関の排気浄化装置
JP4120563B2 (ja) 内燃機関の排気浄化装置
JP2010174645A (ja) 排気ガス浄化装置
JP2010255487A (ja) 内燃機関の排気浄化装置
JP2000282850A (ja) 内燃機関の排ガス浄化システム
JP2001027116A (ja) 車輛用排気ガスの浄化装置
JP3557842B2 (ja) 内燃機関の触媒再生装置
SE527213C2 (sv) Metod att styra en förbränningsmotor av kolvtyp i syfte att samtidigt regenerera ett partikelfilter och en NOx-efterbehandlingsanordning
WO2024203112A1 (ja) 排気処理装置
JP2006220019A (ja) エンジンの排ガス浄化装置

Legal Events

Date Code Title Description
NUG Patent has lapsed