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FR2765270B1 - Procedes de surveillance de l'apport pose d'agent reducteur pour un catalyseur de reduction catalytique selective - Google Patents

Procedes de surveillance de l'apport pose d'agent reducteur pour un catalyseur de reduction catalytique selective

Info

Publication number
FR2765270B1
FR2765270B1 FR9808005A FR9808005A FR2765270B1 FR 2765270 B1 FR2765270 B1 FR 2765270B1 FR 9808005 A FR9808005 A FR 9808005A FR 9808005 A FR9808005 A FR 9808005A FR 2765270 B1 FR2765270 B1 FR 2765270B1
Authority
FR
France
Prior art keywords
layed
monitoring
methods
support
reducing agent
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 - Lifetime
Application number
FR9808005A
Other languages
English (en)
Other versions
FR2765270A1 (fr
Inventor
Manfred Weigl
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 Catalysts Germany GmbH
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of FR2765270A1 publication Critical patent/FR2765270A1/fr
Application granted granted Critical
Publication of FR2765270B1 publication Critical patent/FR2765270B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01N3/10—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 ; Methods of operation or control of catalytic converters
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8696—Controlling the catalytic process
    • 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
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR9808005A 1997-06-26 1998-06-24 Procedes de surveillance de l'apport pose d'agent reducteur pour un catalyseur de reduction catalytique selective Expired - Lifetime FR2765270B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19727268A DE19727268C1 (de) 1997-06-26 1997-06-26 Verfahren zur Überwachung der Reduktionsmitteldosierung bei einem SCR-Katalysator

Publications (2)

Publication Number Publication Date
FR2765270A1 FR2765270A1 (fr) 1998-12-31
FR2765270B1 true FR2765270B1 (fr) 2001-10-26

Family

ID=7833777

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9808005A Expired - Lifetime FR2765270B1 (fr) 1997-06-26 1998-06-24 Procedes de surveillance de l'apport pose d'agent reducteur pour un catalyseur de reduction catalytique selective

Country Status (4)

Country Link
AT (1) AT407581B (fr)
DE (1) DE19727268C1 (fr)
FR (1) FR2765270B1 (fr)
IT (1) IT1301722B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6487852B1 (en) * 2001-09-04 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling reactant injection into an active lean NOx catalyst
JP3861746B2 (ja) * 2002-05-17 2006-12-20 トヨタ自動車株式会社 内燃機関の排気浄化装置
US7166262B2 (en) * 2002-09-25 2007-01-23 Mitsubishi Power Systems, Inc. Control for ammonia slip in selective catalytic reduction
US6983589B2 (en) * 2003-05-07 2006-01-10 Ford Global Technologies, Llc Diesel aftertreatment systems
DE10342003A1 (de) * 2003-09-05 2005-03-31 Robert Bosch Gmbh Vorrichtung zur Aufbereitung einer Reduktionsmittel-Vorprodukt-Lösung zur Abgasnachbehandlung
US7216478B2 (en) * 2005-06-03 2007-05-15 Gm Global Technology Operations, Inc. Exhaust treatment diagnostic using a temperature sensor
US8017080B2 (en) 2005-11-11 2011-09-13 Ngk Spark Plug Co., Ltd. Liquid state detecting apparatus
US7257941B1 (en) * 2006-03-14 2007-08-21 Eaton Corporation Model based diagnostics of an aftertreatment fuel dosing system
DE102006021877B4 (de) * 2006-05-11 2008-09-25 Ford Global Technologies, LLC, Dearborn Verfahren zur Dosierung von festem Harnstoff (CO(NH2)2)
DE102007055032B4 (de) * 2007-11-17 2015-01-08 Rehau Ag + Co. System zum Temperieren einer Harnstoff-Wasser-Lösung
GB2492355B (en) * 2011-06-28 2017-01-11 Gm Global Tech Operations Llc Method for evaluating an exhaust gas temperature in a exhaust pipe of an internal combustion engine
CN115126579B (zh) * 2022-06-29 2024-01-02 潍柴动力股份有限公司 一种尿素喷射量控制方法及车辆

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2887933B2 (ja) * 1991-03-13 1999-05-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE4117143C2 (de) * 1991-05-25 1995-04-20 Daimler Benz Ag Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in Abgasen aus Kraftfahrzeugdieselmotoren
DE4217552C1 (fr) * 1992-05-27 1993-08-19 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4334071C1 (de) * 1993-10-06 1995-02-09 Siemens Ag Verfahren zur Verminderung der Stickoxidkonzentration im Abgas einer Brennkraftmaschine oder einer Verbrennungsanlage
JPH08284647A (ja) * 1995-04-10 1996-10-29 Nippon Soken Inc 内燃機関の排気浄化装置に付設されるｈｃ増量装置

Also Published As

Publication number Publication date
ATA108298A (de) 2000-08-15
FR2765270A1 (fr) 1998-12-31
IT1301722B1 (it) 2000-07-07
ITMI981369A1 (it) 1999-12-16
AT407581B (de) 2001-04-25
DE19727268C1 (de) 1999-01-14

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name

Owner name: JOHNSON MATTHEY CATALYSTS GERMANY GMBH, DE

Effective date: 20120615

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20