FR2825412B1 - PROCESS FOR THE DEULFATATION OF AN NITRIC OXIDE ACCUMULATOR CATALYST - Google Patents

PROCESS FOR THE DEULFATATION OF AN NITRIC OXIDE ACCUMULATOR CATALYST

Info

Publication number
FR2825412B1
FR2825412B1 FR0206634A FR0206634A FR2825412B1 FR 2825412 B1 FR2825412 B1 FR 2825412B1 FR 0206634 A FR0206634 A FR 0206634A FR 0206634 A FR0206634 A FR 0206634A FR 2825412 B1 FR2825412 B1 FR 2825412B1
Authority
FR
France
Prior art keywords
deulfatation
nitric oxide
accumulator catalyst
oxide accumulator
catalyst
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
FR0206634A
Other languages
French (fr)
Other versions
FR2825412A1 (en
Inventor
Holger Adler
Klaus Allmendinger
Dirk Becker
Oliver Erlenmayer
Andreas Hasert
Hans Hubert Hemberger
Anton Kerckhoff
Bernd Krutzsch
Stefan Kurze
Michael Lenz
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of FR2825412A1 publication Critical patent/FR2825412A1/en
Application granted granted Critical
Publication of FR2825412B1 publication Critical patent/FR2825412B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 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
    • 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
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • F01N2570/04—Sulfur or sulfur oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0818—SOx storage amount, e.g. for SOx trap or NOx trap
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0206634A 2001-05-31 2002-05-30 PROCESS FOR THE DEULFATATION OF AN NITRIC OXIDE ACCUMULATOR CATALYST Expired - Fee Related FR2825412B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10126455A DE10126455B4 (en) 2001-05-31 2001-05-31 Process for desulfating a nitrogen oxide storage catalyst

Publications (2)

Publication Number Publication Date
FR2825412A1 FR2825412A1 (en) 2002-12-06
FR2825412B1 true FR2825412B1 (en) 2007-11-02

Family

ID=7686717

Family Applications (2)

Application Number Title Priority Date Filing Date
FR0206634A Expired - Fee Related FR2825412B1 (en) 2001-05-31 2002-05-30 PROCESS FOR THE DEULFATATION OF AN NITRIC OXIDE ACCUMULATOR CATALYST
FR0506000A Expired - Fee Related FR2870568B1 (en) 2001-05-31 2005-06-14 PROCESS FOR DESULFURIZING A NITROGEN OXIDE ACCUMULATOR CATALYST

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR0506000A Expired - Fee Related FR2870568B1 (en) 2001-05-31 2005-06-14 PROCESS FOR DESULFURIZING A NITROGEN OXIDE ACCUMULATOR CATALYST

Country Status (2)

Country Link
DE (1) DE10126455B4 (en)
FR (2) FR2825412B1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4203730B2 (en) * 2003-04-22 2009-01-07 三菱自動車工業株式会社 Exhaust gas purification device for internal combustion engine
JP4241279B2 (en) * 2003-09-12 2009-03-18 トヨタ自動車株式会社 Exhaust gas purification system for internal combustion engine
DE10347446B4 (en) * 2003-10-13 2010-01-07 Audi Ag Method for heating and desulfating a main catalytic converter of a multi-flow exhaust gas layer of a multi-cylinder internal combustion engine of a vehicle, in particular of a motor vehicle
FR2862701B1 (en) * 2003-11-24 2008-05-23 Inst Francais Du Petrole METHOD AND DEVICE FOR REGENERATING AN INTEGRATED PARTICLE FILTER IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE
FR2862708B1 (en) * 2003-11-24 2008-01-18 Inst Francais Du Petrole METHOD AND DEVICE FOR DESULFATATION OF A NITRIC OXIDE TRAP AND REGENERATION OF A PARTICLE FILTER
FR2862705B1 (en) * 2003-11-25 2006-02-24 Peugeot Citroen Automobiles Sa SYSTEM FOR AIDING THE REGENERATION OF INTEGRATED EMISSION MEANS IN AN EXHAUST LINE OF A MOTOR VEHICLE ENGINE
JP4567968B2 (en) * 2003-12-25 2010-10-27 トヨタ自動車株式会社 Exhaust gas purification device and exhaust gas purification method
DE102004002292B4 (en) * 2004-01-16 2010-08-12 Audi Ag Catalytic converter and method for operating an exhaust gas catalytic device
DE102005032941A1 (en) * 2005-07-14 2007-01-18 Siemens Ag Process and apparatus for desulfating a NOx storage catalyst
US8112988B2 (en) * 2006-03-16 2012-02-14 Ford Global Technologies, Llc System and method for desulfating a NOx trap
DE102006025050B4 (en) 2006-05-27 2014-04-03 Fev Gmbh Method and device for operating an exhaust aftertreatment system
DE102008034992A1 (en) * 2008-07-25 2010-01-28 Volkswagen Ag Method for desulfurizing a NOX storage catalyst
FR2974845A3 (en) * 2011-05-05 2012-11-09 Renault Sa Method for injecting fuel into e.g. supercharged diesel engine, of car, involves realizing two phases of pre-injection of fuel before realization of main injection phase of fuel, and performing phase of post-injection of fuel
KR101272937B1 (en) * 2011-08-12 2013-06-11 현대자동차주식회사 Desulfurization metnod for lnt system
JP5665015B2 (en) 2011-11-02 2015-02-04 株式会社デンソー Exhaust gas purification device for internal combustion engine
KR101683488B1 (en) 2013-11-22 2016-12-07 현대자동차 주식회사 SYSTEM AND METHOD OF DEFULFURIZING LEAN NOx TRAP
JP6586976B2 (en) 2017-07-26 2019-10-09 マツダ株式会社 Engine control device
US11549418B1 (en) 2021-12-20 2023-01-10 Caterpillar Inc. Desulfation of aftertreatment component

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0321451A3 (en) * 1984-03-31 1989-08-02 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Diesel particulate oxidizer regeneration system
DE19626836A1 (en) * 1995-07-08 1997-01-09 Volkswagen Ag Diesel engine with nitrous oxide storage catalyser - has exhaust gas diverted along by-pass line during regeneration of catalyser by fuel injected into preceding electrically-heated catalyser
JP3899534B2 (en) * 1995-08-14 2007-03-28 トヨタ自動車株式会社 Exhaust gas purification method for diesel engine
DE19850757A1 (en) * 1998-08-07 2000-02-17 Volkswagen Ag Method and device for desulfating a catalyst device
US6167696B1 (en) * 1999-06-04 2001-01-02 Ford Motor Company Exhaust gas purification system for low emission vehicle
DE19926138A1 (en) * 1999-06-09 2000-12-14 Volkswagen Ag Purifying IC engine exhaust gas comprises taking measures to increase exhaust gas temperature with introduction of event which can be canceled after combustion
DE19945336A1 (en) * 1999-09-22 2001-03-29 Volkswagen Ag Method for controlling regeneration of a particle filter and desulfurization of a NOx storage catalytic converter

Also Published As

Publication number Publication date
FR2870568B1 (en) 2007-05-11
FR2870568A1 (en) 2005-11-25
DE10126455B4 (en) 2006-03-23
FR2825412A1 (en) 2002-12-06
DE10126455A1 (en) 2002-12-12

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