DE69918435T2 - Verfahren und vorrichtung zur stickoxidminderung in abgasen durch gesteuerte nh3-zugabe - Google Patents

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

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Publication number
DE69918435T2
DE69918435T2 DE69918435T DE69918435T DE69918435T2 DE 69918435 T2 DE69918435 T2 DE 69918435T2 DE 69918435 T DE69918435 T DE 69918435T DE 69918435 T DE69918435 T DE 69918435T DE 69918435 T2 DE69918435 T2 DE 69918435T2
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DE
Germany
Prior art keywords
catalyst
ammonia
temperature
adsorbed
predetermined temperature
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
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German (de)
English (en)
Other versions
DE69918435D1 (de
Inventor
Richard Guy CHANDLER
Raq Raj RAJARAM
Friedrich Claus GOERSMANN
Anne Valerie SELF
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Johnson Matthey PLC
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Johnson Matthey PLC
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Filing date
Publication date
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
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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

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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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (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
GBGB9808876.8A GB9808876D0 (en) 1998-04-28 1998-04-28 Combatting air pollution
GB9808876 1998-04-28
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 DE69918435D1 (de) 2004-08-05
DE69918435T2 true 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 (enExample)
EP (1) EP1083979B1 (enExample)
JP (1) JP4357742B2 (enExample)
KR (1) KR100604131B1 (enExample)
CN (1) CN1201854C (enExample)
AU (1) AU741813B2 (enExample)
CA (1) CA2329994C (enExample)
DE (1) DE69918435T2 (enExample)
GB (1) GB9808876D0 (enExample)
PL (1) PL343689A1 (enExample)
TW (1) TW469163B (enExample)
WO (1) WO1999055446A1 (enExample)

Cited By (1)

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CN102822465A (zh) * 2010-04-06 2012-12-12 丰田自动车株式会社 用于内燃发动机的排气控制设备和方法

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DE10112444A1 (de) * 2001-03-13 2002-10-02 Krupp Uhde Gmbh Verfahren zur Verringerung des Gehalts von N¶2¶O und NO¶x¶ in Gasen
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
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
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
US7264785B2 (en) 2001-12-20 2007-09-04 Johnson Matthey Public Limited Company Selective catalytic reduction
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
US7644577B2 (en) * 2004-10-29 2010-01-12 Philip Morris Usa, Inc. Reducing agent metering system for reducing NOx in lean burn internal combustion engines
WO2006066043A1 (en) * 2004-12-15 2006-06-22 Donaldson Company, Inc. Control for an engine exhaust treatment system
US7178328B2 (en) * 2004-12-20 2007-02-20 General Motors Corporation System for controlling the urea supply to SCR catalysts
US7585490B2 (en) * 2005-04-15 2009-09-08 University Of Iowa Research Foundation Synthesis and use of nanocrystalline zeolites
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
US20100166628A1 (en) 2006-02-15 2010-07-01 Nicola Soeger Catalyst for reducing nitrogen-containing pollutants from the exhaust gases of diesel engines
CN100425325C (zh) * 2006-06-26 2008-10-15 马春强 一种高尘复合scr烟气脱硝工艺及脱硝催化反应装置
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
ATE500879T1 (de) * 2006-12-23 2011-03-15 Alzchem Trostberg Gmbh Verwendung von wässrigen guanidiniumformiat- lösungen zur selektiven katalytischen reduktion von stickoxiden in abgasen von fahrzeugen
MX2009011443A (es) 2007-04-26 2010-01-18 Johnson Matthey Plc Catalizadores de reduccion catalitica selectiva de metal de transicion/zeolita.
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
US8141340B2 (en) 2008-04-30 2012-03-27 Cummins Ip, Inc Apparatus, system, and method for determining the degradation of an SCR catalyst
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US8161730B2 (en) 2008-04-30 2012-04-24 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8181450B2 (en) 2008-04-30 2012-05-22 Cummins IP. Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control
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US8256208B2 (en) * 2008-04-30 2012-09-04 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
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KR20180022720A (ko) * 2015-07-03 2018-03-06 할도르 토프쉐 에이/에스 촉매 산화 반응에서 온도 제어를 위한 방법 및 시스템
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
CN108786439A (zh) * 2017-05-02 2018-11-13 中国石油化工股份有限公司 一种烟气脱硝方法及脱硝反应器
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CN102822465A (zh) * 2010-04-06 2012-12-12 丰田自动车株式会社 用于内燃发动机的排气控制设备和方法
CN102822465B (zh) * 2010-04-06 2014-12-03 丰田自动车株式会社 用于内燃发动机的排气控制设备和方法

Also Published As

Publication number Publication date
PL343689A1 (en) 2001-08-27
KR20010043138A (ko) 2001-05-25
JP2002513110A (ja) 2002-05-08
AU3616499A (en) 1999-11-16
JP4357742B2 (ja) 2009-11-04
DE69918435D1 (de) 2004-08-05
CN1306455A (zh) 2001-08-01
CA2329994A1 (en) 1999-11-04
CA2329994C (en) 2007-07-10
EP1083979B1 (en) 2004-06-30
US6713030B1 (en) 2004-03-30
EP1083979A1 (en) 2001-03-21
GB9808876D0 (en) 1998-06-24
KR100604131B1 (ko) 2006-07-25
AU741813B2 (en) 2001-12-13
WO1999055446A1 (en) 1999-11-04
CN1201854C (zh) 2005-05-18
TW469163B (en) 2001-12-21

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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