DE102008048209A1 - Verfahren zum Betreiben einer Abgasreinigungsanlage - Google Patents

Verfahren zum Betreiben einer Abgasreinigungsanlage Download PDF

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Publication number
DE102008048209A1
DE102008048209A1 DE102008048209A DE102008048209A DE102008048209A1 DE 102008048209 A1 DE102008048209 A1 DE 102008048209A1 DE 102008048209 A DE102008048209 A DE 102008048209A DE 102008048209 A DE102008048209 A DE 102008048209A DE 102008048209 A1 DE102008048209 A1 DE 102008048209A1
Authority
DE
Germany
Prior art keywords
reducing agent
air
agent reservoir
dried
reservoir
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.)
Withdrawn
Application number
DE102008048209A
Other languages
German (de)
English (en)
Inventor
Stefan Dr. Resch
Andreas Dr. Ing. Herr
Martina Dr. Ing. Gottschling
André HORN
Stefan Wendenburg
Arne Brömer
Harald Loeck
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE102008048209A priority Critical patent/DE102008048209A1/de
Publication of DE102008048209A1 publication Critical patent/DE102008048209A1/de
Withdrawn legal-status Critical Current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]
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/05—Systems for adding substances into exhaust
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/12—Adding substances to exhaust gases the substance being in solid form, e.g. pellets or powder
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
    • 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
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Treating Waste Gases (AREA)
DE102008048209A 2008-09-20 2008-09-20 Verfahren zum Betreiben einer Abgasreinigungsanlage Withdrawn DE102008048209A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102008048209A DE102008048209A1 (de) 2008-09-20 2008-09-20 Verfahren zum Betreiben einer Abgasreinigungsanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008048209A DE102008048209A1 (de) 2008-09-20 2008-09-20 Verfahren zum Betreiben einer Abgasreinigungsanlage

Publications (1)

Publication Number Publication Date
DE102008048209A1 true DE102008048209A1 (de) 2010-04-01

Family

ID=41719718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102008048209A Withdrawn DE102008048209A1 (de) 2008-09-20 2008-09-20 Verfahren zum Betreiben einer Abgasreinigungsanlage

Country Status (1)

Country Link
DE (1) DE102008048209A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1048340A1 (fr) * 1999-04-30 2000-11-02 Siemens Aktiengesellschaft Procédé pour l'introduction d'un agent de réduction pour un oxyde d'azote dans un melange gazeux et dispositif pour la mise en oeuvre du procédé
DE10251498A1 (de) 2002-11-04 2004-05-19 Universität Kaiserslautern Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen
DE102004029387A1 (de) 2004-06-17 2006-01-12 Roland Bertiller Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator
DE102004042225A1 (de) 2004-09-01 2006-03-02 Man Nutzfahrzeuge Ag Vorrichtung und Verfahren zur Erzeugung von Ammoniak aus festen Harnstoff-Pellets
DE102005055845A1 (de) * 2005-11-23 2007-05-24 Volkswagen Ag Verfahren für die selektive katalytische Reduktion
DE102006043954A1 (de) * 2006-09-14 2008-03-27 Volkswagen Ag Verfahren zum Betreiben eines SCR-Katalysators sowie SCR-Katalysatorsystem

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1048340A1 (fr) * 1999-04-30 2000-11-02 Siemens Aktiengesellschaft Procédé pour l'introduction d'un agent de réduction pour un oxyde d'azote dans un melange gazeux et dispositif pour la mise en oeuvre du procédé
DE10251498A1 (de) 2002-11-04 2004-05-19 Universität Kaiserslautern Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen
DE102004029387A1 (de) 2004-06-17 2006-01-12 Roland Bertiller Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator
DE102004042225A1 (de) 2004-09-01 2006-03-02 Man Nutzfahrzeuge Ag Vorrichtung und Verfahren zur Erzeugung von Ammoniak aus festen Harnstoff-Pellets
DE102005055845A1 (de) * 2005-11-23 2007-05-24 Volkswagen Ag Verfahren für die selektive katalytische Reduktion
DE102006043954A1 (de) * 2006-09-14 2008-03-27 Volkswagen Ag Verfahren zum Betreiben eines SCR-Katalysators sowie SCR-Katalysatorsystem

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Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
R005 Application deemed withdrawn due to failure to request examination