DE69918435D1 - Verfahren und vorrichtung zur stickoxidminderung in abgasen durch gesteuerte nh3-zugabe - Google Patents

Verfahren und vorrichtung zur stickoxidminderung in abgasen durch gesteuerte nh3-zugabe

Info

Publication number
DE69918435D1
DE69918435D1 DE69918435T DE69918435T DE69918435D1 DE 69918435 D1 DE69918435 D1 DE 69918435D1 DE 69918435 T DE69918435 T DE 69918435T DE 69918435 T DE69918435 T DE 69918435T DE 69918435 D1 DE69918435 D1 DE 69918435D1
Authority
DE
Germany
Prior art keywords
exhaust gases
nitrogen oxide
reducing nitrogen
controlled addition
controlled
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
DE69918435T
Other languages
English (en)
Other versions
DE69918435T2 (de
Inventor
Richard Chandler
Raq Rajaram
Friedrich Goersmann
Anne Self
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 PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Application granted granted Critical
Publication of DE69918435D1 publication Critical patent/DE69918435D1/de
Publication of DE69918435T2 publication Critical patent/DE69918435T2/de
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
    • 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
    • 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
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
DE69918435T 1998-04-28 1999-04-20 Verfahren und vorrichtung zur stickoxidminderung in abgasen durch gesteuerte nh3-zugabe Expired - Lifetime DE69918435T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9808876 1998-04-28
GBGB9808876.8A GB9808876D0 (en) 1998-04-28 1998-04-28 Combatting air pollution
PCT/GB1999/001205 WO1999055446A1 (en) 1998-04-28 1999-04-20 Process and apparatus for reducing the nitrogen oxide content in exhaust gases by the controlled addition of nh3

Publications (2)

Publication Number Publication Date
DE69918435D1 true DE69918435D1 (de) 2004-08-05
DE69918435T2 DE69918435T2 (de) 2005-08-18

Family

ID=10830994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918435T Expired - Lifetime DE69918435T2 (de) 1998-04-28 1999-04-20 Verfahren und vorrichtung zur stickoxidminderung in abgasen durch gesteuerte nh3-zugabe

Country Status (12)

Country Link
US (1) US6713030B1 (de)
EP (1) EP1083979B1 (de)
JP (1) JP4357742B2 (de)
KR (1) KR100604131B1 (de)
CN (1) CN1201854C (de)
AU (1) AU741813B2 (de)
CA (1) CA2329994C (de)
DE (1) DE69918435T2 (de)
GB (1) GB9808876D0 (de)
PL (1) PL343689A1 (de)
TW (1) TW469163B (de)
WO (1) WO1999055446A1 (de)

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US6928359B2 (en) * 2001-08-09 2005-08-09 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
US6698191B2 (en) 2001-08-09 2004-03-02 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
US6742326B2 (en) * 2001-08-09 2004-06-01 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
EP1458960B1 (de) 2001-12-20 2011-02-09 Johnson Matthey Public Limited Company Verbesserungen bei der selektiven katalytischen reduktion
JP3951774B2 (ja) * 2002-03-29 2007-08-01 三菱ふそうトラック・バス株式会社 内燃機関のＮОｘ浄化装置
GB0220645D0 (en) 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
WO2005005797A2 (en) * 2003-06-12 2005-01-20 Donaldson Company, Inc. Method of dispensing fuel into transient flow of an exhaust system
DE102004018648A1 (de) * 2004-04-16 2005-11-10 Hte Ag The High Throughput Experimentation Company Verfahren zur Reduktion von Stickoxiden mit einem Abgasnachbehandlungssystem
US7117669B2 (en) * 2004-05-05 2006-10-10 Eaton Corporation Temperature swing adsorption and selective catalytic reduction NOx removal system
US20050247050A1 (en) * 2004-05-05 2005-11-10 Eaton Corporation Adsorption based ammonia storage and regeneration system
US7213395B2 (en) * 2004-07-14 2007-05-08 Eaton Corporation Hybrid catalyst system for exhaust emissions reduction
JP4267535B2 (ja) 2004-07-23 2009-05-27 日野自動車株式会社 排気浄化装置のＮＯｘ低減率測定方法
WO2006050318A1 (en) * 2004-10-29 2006-05-11 Philip Morris Usa Inc. Reducing agent metering system for reducing nox in lean burn internal combustion engines
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US7178328B2 (en) * 2004-12-20 2007-02-20 General Motors Corporation System for controlling the urea supply to SCR catalysts
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US20100166628A1 (en) 2006-02-15 2010-07-01 Nicola Soeger Catalyst for reducing nitrogen-containing pollutants from the exhaust gases of diesel engines
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JP5082361B2 (ja) 2006-09-27 2012-11-28 東ソー株式会社 ＳＣＲ触媒用β型ゼオライト及びそれを用いた窒素酸化物の浄化方法
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EP2517777A3 (de) 2007-04-26 2013-01-09 Johnson Matthey Public Limited Company SCR-Übergangsmetall-/-CHA-Zeolitkatalysatoren
US8001769B2 (en) 2007-08-20 2011-08-23 Caterpillar Inc. Control of SCR system having a filtering device
DE102008010330A1 (de) * 2008-02-21 2009-09-03 Süd-Chemie AG SCR-Katalysator mit Ammoniak-Speicherfunktion
US8281572B2 (en) 2008-04-30 2012-10-09 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions from an engine system
US8074445B2 (en) 2008-04-30 2011-12-13 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8201394B2 (en) * 2008-04-30 2012-06-19 Cummins Ip, Inc. Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system
US8141340B2 (en) 2008-04-30 2012-03-27 Cummins Ip, Inc Apparatus, system, and method for determining the degradation of an SCR catalyst
US8256208B2 (en) * 2008-04-30 2012-09-04 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8109079B2 (en) 2008-04-30 2012-02-07 Cummins Ip, Inc. Apparatus, system, and method for controlling ammonia slip from an SCR catalyst
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US7998443B2 (en) * 2009-04-17 2011-08-16 Johnson Matthey Public Limited Company Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
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JP5119289B2 (ja) * 2010-04-06 2013-01-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
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CN108786457A (zh) * 2017-05-02 2018-11-13 中国石油化工股份有限公司 烟气脱硝方法及脱硝反应器
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Also Published As

Publication number Publication date
KR20010043138A (ko) 2001-05-25
US6713030B1 (en) 2004-03-30
JP2002513110A (ja) 2002-05-08
TW469163B (en) 2001-12-21
CA2329994C (en) 2007-07-10
WO1999055446A1 (en) 1999-11-04
KR100604131B1 (ko) 2006-07-25
CN1306455A (zh) 2001-08-01
DE69918435T2 (de) 2005-08-18
AU741813B2 (en) 2001-12-13
CA2329994A1 (en) 1999-11-04
PL343689A1 (en) 2001-08-27
AU3616499A (en) 1999-11-16
JP4357742B2 (ja) 2009-11-04
GB9808876D0 (en) 1998-06-24
EP1083979A1 (de) 2001-03-21
CN1201854C (zh) 2005-05-18
EP1083979B1 (de) 2004-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KROHER, STROBEL RECHTS- UND PATENTANWAELTE, 80336

8328 Change in the person/name/address of the agent

Representative=s name: DR. SCHOEN & PARTNER, 80336 MUENCHEN