FR2796154B1 - Procede et dispositif de determination de l'etat accumulateur d'un catalyseur scr stockant de l'ammoniaque - Google Patents

Procede et dispositif de determination de l'etat accumulateur d'un catalyseur scr stockant de l'ammoniaque

Info

Publication number
FR2796154B1
FR2796154B1 FR0008604A FR0008604A FR2796154B1 FR 2796154 B1 FR2796154 B1 FR 2796154B1 FR 0008604 A FR0008604 A FR 0008604A FR 0008604 A FR0008604 A FR 0008604A FR 2796154 B1 FR2796154 B1 FR 2796154B1
Authority
FR
France
Prior art keywords
determining
scr catalyst
storing ammonia
ammonia scr
accumulator status
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
FR0008604A
Other languages
English (en)
Other versions
FR2796154A1 (fr
Inventor
Klaus Binder
Tillmann Braun
Michael Rainer Busch
Aleksandar Knezevic
Klaus Jurgen Marquardt
Ralf Moos
Carsten Plog
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.)
Daimler 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 FR2796154A1 publication Critical patent/FR2796154A1/fr
Application granted granted Critical
Publication of FR2796154B1 publication Critical patent/FR2796154B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—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
    • B01D53/74—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
    • B01D53/92—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
    • 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
    • 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
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
    • 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
    • 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)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR0008604A 1999-07-06 2000-07-03 Procede et dispositif de determination de l'etat accumulateur d'un catalyseur scr stockant de l'ammoniaque Expired - Fee Related FR2796154B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19931007A DE19931007C2 (de) 1999-07-06 1999-07-06 Verfahren und Vorrichtung zur Bestimmung des Speicherzustands eines ammoniakspeichernden SCR-Katalysators

Publications (2)

Publication Number Publication Date
FR2796154A1 FR2796154A1 (fr) 2001-01-12
FR2796154B1 true FR2796154B1 (fr) 2003-03-07

Family

ID=7913727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0008604A Expired - Fee Related FR2796154B1 (fr) 1999-07-06 2000-07-03 Procede et dispositif de determination de l'etat accumulateur d'un catalyseur scr stockant de l'ammoniaque

Country Status (4)

Country Link
US (1) US6833272B1 (fr)
DE (1) DE19931007C2 (fr)
FR (1) FR2796154B1 (fr)
IT (1) IT1316402B1 (fr)

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US7325392B2 (en) * 2002-07-12 2008-02-05 Catelectric Corp. Control system for catalytic processes
US7166262B2 (en) * 2002-09-25 2007-01-23 Mitsubishi Power Systems, Inc. Control for ammonia slip in selective catalytic reduction
US7950221B2 (en) 2003-04-25 2011-05-31 Catelectric Corp. Methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination
DE102004007038A1 (de) * 2004-02-12 2005-09-01 Daimlerchrysler Ag Vorrichtung zur Feststellung des Zustands eines Rußpartikelfilters
US7194891B2 (en) 2004-04-20 2007-03-27 Massachusetts Institute Of Technology High-temperature gas sensors
WO2006001283A1 (fr) * 2004-06-28 2006-01-05 The Chugoku Electric Power Co., Inc. Procédé d’essai de catalyseur de dénitration
DE102004058790B3 (de) * 2004-12-07 2006-06-22 Daimlerchrysler Ag Körperschallsensor sowie Vorrichtung zur akustischen Diagnose defekter Kat-Anlagen von Kraftfahrzeugen
DE102006041135B4 (de) * 2005-09-01 2016-01-07 Ford Global Technologies, Llc Diagnosesystem sowie Verfahren zum Steuern und Diagnostizieren eines NOx reduzierenden Katalysators
DE102005048117A1 (de) * 2005-10-06 2007-04-12 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur Reduktion des Stickoxidanteils im Abgas einer Verbrennungskraftmaschine
DE102006043152A1 (de) 2005-11-14 2007-06-28 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung eines Reduktionsmittel-Generationssystems
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
US7805929B2 (en) * 2005-12-21 2010-10-05 Caterpillar Inc Selective catalytic reduction system
DE102007009824A1 (de) * 2006-03-03 2007-09-27 Ford Global Technologies, LLC, Dearborn System und Verfahren zum Erfassen von Reduktionsmittelspeicherung
US8171724B2 (en) * 2007-05-02 2012-05-08 Ford Global Technologies, Llc Vehicle-based strategy for removing urea deposits from an SCR catalyst
US7967720B2 (en) * 2007-06-13 2011-06-28 Ford Global Technologies, Llc Dynamic allocation of drive torque
WO2009036780A1 (fr) * 2007-09-18 2009-03-26 Fev Motorentechnik Gmbh Surveillance du niveau de nh3 d'un catalyseur scr
US7964084B2 (en) 2007-09-20 2011-06-21 Catelectric Corp. Methods and apparatus for the synthesis of useful compounds
WO2009139852A1 (fr) 2008-05-12 2009-11-19 Catelectric Corp. Procédés et appareil de commande de procédés catalytiques comprenant le dépôt de particules à base de carbone
US8071037B2 (en) 2008-06-25 2011-12-06 Cummins Filtration Ip, Inc. Catalytic devices for converting urea to ammonia
US9358525B2 (en) 2008-12-04 2016-06-07 Johnson Matthey Public Limited Company NOx storage materials for sensor applications
DE102009022884A1 (de) 2009-05-27 2010-12-02 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Speicherbehälter zur Bestimmung der gespeicherten Menge von Ammoniak für die katalytische Abgasreinigung
US8991154B2 (en) 2010-07-12 2015-03-31 Mack Trucks, Inc. Methods and systems for controlling reductant levels in an SCR catalyst
US9091189B2 (en) * 2012-07-13 2015-07-28 Cummins Ip, Inc. Method and system for mitigating urea deposits within an SCR catalyst system
JP6206065B2 (ja) * 2013-10-08 2017-10-04 いすゞ自動車株式会社 排気浄化システム
US20160279574A1 (en) * 2015-03-26 2016-09-29 General Electric Company Systems and methods for monitoring the health of a selective catalytic reduction catalyst
US9435244B1 (en) * 2015-04-14 2016-09-06 General Electric Company System and method for injection control of urea in selective catalyst reduction
EP3103978A1 (fr) * 2015-06-09 2016-12-14 Perkins Engines Company Limited Système de réduction catalytique sélective
KR20160149898A (ko) 2015-06-19 2016-12-28 현대자동차주식회사 입자상 물질 센서
CN105673147B (zh) * 2016-01-22 2018-08-31 潍柴动力股份有限公司 一种scr系统的建压方法及装置
EP3223004A1 (fr) * 2016-03-25 2017-09-27 Plastic Omnium Advanced Innovation and Research Système et procédé de détection capacitive du degré de saturation d'ammonia dans un milieu de stockage solide
JP6835018B2 (ja) * 2018-03-12 2021-02-24 トヨタ自動車株式会社 異常診断装置
JP7071246B2 (ja) * 2018-09-07 2022-05-18 日本碍子株式会社 触媒劣化診断方法および触媒劣化診断システム
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Also Published As

Publication number Publication date
ITRM20000346A0 (it) 2000-06-26
ITRM20000346A1 (it) 2001-12-26
US6833272B1 (en) 2004-12-21
DE19931007A1 (de) 2001-01-25
FR2796154A1 (fr) 2001-01-12
IT1316402B1 (it) 2003-04-10
DE19931007C2 (de) 2001-10-18

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Effective date: 20100331