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BR8903565A - Processo para a desnitrogenacao catalitica dos gases de escapamento atraves de um redutor - Google Patents

Processo para a desnitrogenacao catalitica dos gases de escapamento atraves de um redutor

Info

Publication number
BR8903565A
BR8903565A BR898903565A BR8903565A BR8903565A BR 8903565 A BR8903565 A BR 8903565A BR 898903565 A BR898903565 A BR 898903565A BR 8903565 A BR8903565 A BR 8903565A BR 8903565 A BR8903565 A BR 8903565A
Authority
BR
Brazil
Prior art keywords
reducer
exhaust gases
denitrogenation
catalytic
catalytic denitrogenation
Prior art date
Application number
BR898903565A
Other languages
English (en)
Inventor
Reinhold Brand
Bernd Engler
Peter Kleine-Mollhoff
Edgar Konerstein
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR8903565A publication Critical patent/BR8903565A/pt

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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • 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
    • 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
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BR898903565A 1988-07-25 1989-07-19 Processo para a desnitrogenacao catalitica dos gases de escapamento atraves de um redutor BR8903565A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3825206A DE3825206A1 (de) 1988-07-25 1988-07-25 Verfahren zur katalytischen entstickung von abgasen mittels eines reduktionsmittels

Publications (1)

Publication Number Publication Date
BR8903565A true BR8903565A (pt) 1990-03-13

Family

ID=6359485

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903565A BR8903565A (pt) 1988-07-25 1989-07-19 Processo para a desnitrogenacao catalitica dos gases de escapamento atraves de um redutor

Country Status (7)

Country Link
US (1) US4963332A (pt)
EP (1) EP0362483A1 (pt)
JP (1) JPH0268119A (pt)
KR (1) KR910002499A (pt)
CN (1) CN1041288A (pt)
BR (1) BR8903565A (pt)
DE (1) DE3825206A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376635A (zh) * 2016-08-18 2017-11-24 天津大唐国际盘山发电有限责任公司 一种烟气脱硝催化剂防低温运行自动保护方法及控制系统

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929926A1 (de) * 1989-09-08 1991-03-21 Metallgesellschaft Ag Verfahren zum behandeln der gase aus der vergasung fester, feinkoerniger brennstoffe
US5149983A (en) * 1990-09-07 1992-09-22 Chlean Plants & Engineering Establishment Method and apparatus for measuring the concentration of at least one material in a fluid medium mixed materials
AU8324291A (en) * 1990-09-07 1992-03-30 Chlean Plants & Engineering Establishment Process for determining the concentration of substances, device for implementing the process, use of the process for changing the concentration of a substance contained in the fluid and plant therefor
DE4117143C2 (de) * 1991-05-25 1995-04-20 Daimler Benz Ag Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in Abgasen aus Kraftfahrzeugdieselmotoren
DE4203219A1 (de) * 1992-02-05 1993-08-12 Basf Ag Verfahren zur stickoxidminderung in abgasen durch gesteuerte nh(pfeil abwaerts)3(pfeil abwaerts)-zugabe
DE4217552C1 (pt) * 1992-05-27 1993-08-19 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4227741A1 (de) * 1992-08-21 1994-02-24 Bayerische Motoren Werke Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden
DE4237705A1 (de) * 1992-11-07 1994-05-11 Mtu Friedrichshafen Gmbh Verfahren zum Steuern der Zugabemenge an Stickoxid-Reduktionsmitteln in das durch eine Abgasreinigungsanlage für Dieselmotoren strömendes Abgas
DE4315385A1 (de) * 1993-05-08 1994-11-10 Bayer Ag Verfahren zur Entstickung von heißen Rauchgasen
DE4334071C1 (de) * 1993-10-06 1995-02-09 Siemens Ag Verfahren zur Verminderung der Stickoxidkonzentration im Abgas einer Brennkraftmaschine oder einer Verbrennungsanlage
DK0652500T3 (da) * 1993-11-04 1999-04-26 Siemens Ag Fremgangsmåde og indretning til dosering af en reaktant i et strømningsmedium
US5354544A (en) * 1993-12-27 1994-10-11 Ford Motor Company Selective reduction of nitric oxide
JPH0810575A (ja) * 1994-06-30 1996-01-16 Toyota Central Res & Dev Lab Inc 窒素酸化物還元方法
ES2122602T3 (es) * 1994-08-10 1998-12-16 Siemens Ag Procedimiento para la conversion catalitica de oxidos de nitrogeno contenidos en el gas de escape de un motor de combustion interna.
US5849593A (en) * 1994-11-04 1998-12-15 Siemens Aktiengesellschaft Method for metering a reagent into a flowing medium
US6080377A (en) * 1995-04-27 2000-06-27 Engelhard Corporation Method of abating NOx and a catalytic material therefor
US6471924B1 (en) 1995-07-12 2002-10-29 Engelhard Corporation Method and apparatus for NOx abatement in lean gaseous streams
JP4087914B2 (ja) * 1996-07-25 2008-05-21 日本碍子株式会社 脱硝システム及び脱硝方法
KR970058770A (ko) * 1997-05-17 1997-08-12 홍성창 망간광석을 이용한 질소산화물의 제거방법
DE59812071D1 (de) * 1997-08-08 2004-11-11 Volkswagen Ag DeNOx-Katalyse
WO1999013985A1 (de) * 1997-09-12 1999-03-25 Institut Für Umwelttechnologie Und Umweltanalytik E.V. (Iuta) - Institut An Der Gerhard-Mercator-Universität-Gesamthochschule Duisburg Verfahren und vorrichtung zur katalytischen abgasreinigung
DE19756251C1 (de) * 1997-12-17 1999-07-22 Siemens Ag Verfahren und Vorrichtung zur Reduzierung der Stickoxide im Abgas einer Verbrennungsanlage
DE19800665C1 (de) * 1998-01-10 1999-07-01 Degussa Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators
GB9808876D0 (en) * 1998-04-28 1998-06-24 Johnson Matthey Plc Combatting air pollution
JP2001303934A (ja) * 1998-06-23 2001-10-31 Toyota Motor Corp 内燃機関の排気浄化装置
DE19901915C1 (de) * 1999-01-19 2000-04-20 Siemens Ag Verfahren zur katalytischen Umsetzung von im Abgas eines Verbrennungsmotors enthaltenen Stickoxiden
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
US6295809B1 (en) * 1999-07-12 2001-10-02 Ford Global Technologies, Inc. Emission control system with a catalyst
JP3376998B2 (ja) 2000-03-08 2003-02-17 日本電気株式会社 半導体記憶装置
DE60140104D1 (de) * 2000-06-13 2009-11-19 Ford Global Tech Inc Verfahren zur Optimierung der Zugabe eines Reduktionmittels zu einem SCR-Katalysator einer Brennkraftmaschine
JP3409059B2 (ja) 2000-07-26 2003-05-19 Ｎｅｃエレクトロニクス株式会社 半導体記憶装置
US6415602B1 (en) 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
JP4856851B2 (ja) * 2002-04-05 2012-01-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ガス放出プロセスを制御する方法および装置
US7575931B2 (en) * 2002-06-19 2009-08-18 E.I. Du Pont De Nemours And Company Method and apparatus for reducing a nitrogen oxide, and control thereof
US20040126286A1 (en) * 2002-06-19 2004-07-01 Deruyter John C. Method and apparatus for reducing a nitrogen oxide
US6941746B2 (en) 2002-11-21 2005-09-13 Combustion Components Associates, Inc. Mobile diesel selective catalytic reduction systems and methods
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
DE102004025062B4 (de) * 2004-05-18 2006-09-14 Hydraulik-Ring Gmbh Gefriertaugliches Dosierventil
US20050282285A1 (en) * 2004-06-21 2005-12-22 Eaton Corporation Strategy for controlling NOx emissions and ammonia slip in an SCR system using a nonselective NOx/NH3
US7067319B2 (en) * 2004-06-24 2006-06-27 Cummins, Inc. System for diagnosing reagent solution quality and emissions catalyst degradation
US7481983B2 (en) * 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
SE0402499L (sv) * 2004-10-13 2006-02-21 Volvo Lastvagnar Ab Motordrivet fordon och metod med fragmenterad insprutning av kolväten för optimerad oxidering av kvävemonoxid i avgasefterbehandlingssystem
US7178328B2 (en) * 2004-12-20 2007-02-20 General Motors Corporation System for controlling the urea supply to SCR catalysts
JP2006242190A (ja) * 2005-03-02 2006-09-14 Hydraulik-Ring Gmbh 自動車からの排気煙を処理するための噴射装置
DE102005017402A1 (de) * 2005-04-15 2006-10-19 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur dosierten Bereitstellung eines, insbesondere als Feststoff vorliegenden, Reduktionsmittels für Abgassysteme
DE102006043152A1 (de) 2005-11-14 2007-06-28 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung eines Reduktionsmittel-Generationssystems
DE102007004687B4 (de) 2007-01-25 2012-03-01 Hydraulik-Ring Gmbh Volumensmengenabgabeeinheit und Verfahren zur Kalibrierung der Druckausgangssignal-Volumensmenge-Charakteristik
JP4407717B2 (ja) * 2007-04-23 2010-02-03 株式会社デンソー 還元性ガス発生装置、ならびにそれを用いた固体還元剤ｓｃｒシステム。
US8713917B2 (en) * 2007-08-30 2014-05-06 GM Global Technology Operations LLC Method for reducing NH3 release from SCR catalysts during thermal transients
DE112007003583A5 (de) * 2007-09-18 2010-07-29 Fev Motorentechnik Gmbh NH3-Überwachung eines SCR-Katalysators
DE102007044610B4 (de) * 2007-09-19 2010-04-08 Continental Automotive Gmbh Verfahren zur Detektion der minimalen Öffnungszeit einer Reduktionsmittelzuführeinrichtung in einem Abgasnachbehandlungssystem mit einem SCR-Katalysator
US9993771B2 (en) * 2007-12-12 2018-06-12 Basf Corporation Emission treatment catalysts, systems and methods
US9863297B2 (en) * 2007-12-12 2018-01-09 Basf Corporation Emission treatment system
DE102008012780B4 (de) 2008-03-05 2012-10-04 Hydraulik-Ring Gmbh Abgasnachbehandlungseinrichtung
FR2931201B1 (fr) * 2008-05-16 2010-06-04 Peugeot Citroen Automobiles Sa Procede de correction de modeles d'emission d'oxydes d'azote
DE102009035940C5 (de) * 2009-08-03 2017-04-20 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
US8246922B2 (en) * 2009-10-02 2012-08-21 Basf Corporation Four-way diesel catalysts and methods of use
US9657625B2 (en) 2009-11-13 2017-05-23 Basf Corporation Wall flow filter loaded with SCR catalyst, systems and methods of exhaust gas treatment
US8769928B2 (en) * 2010-09-27 2014-07-08 Caterpillar Inc. Exhaust system having cross-sensitive sensor
DE102010061222B4 (de) 2010-12-14 2015-05-07 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
WO2012151442A1 (en) 2011-05-03 2012-11-08 Cummins Inc. Control techniques for an scr aftertreatment system
DE102012006449A1 (de) 2012-03-30 2013-10-02 Man Truck & Bus Ag Verfahren zur Anwendung in Verbindung mit einer Abgasnachbehandlungsanlage
US9284872B2 (en) 2013-09-17 2016-03-15 Cummins Emission Solutions Inc. System, methods, and apparatus for low temperature dosing in diesel exhaust systems
US9845716B2 (en) 2014-02-13 2017-12-19 Cummins Inc. Techniques for control of an SCR aftertreatment system
US9616384B2 (en) 2014-06-11 2017-04-11 Basf Se Base metal catalyst
KR102686792B1 (ko) 2015-03-19 2024-07-22 바스프 코포레이션 Scr 촉매로 촉매화된 필터, 시스템 및 방법
MX2017012667A (es) 2015-03-30 2018-01-24 Basf Corp Filtros catalizados con revestimiento final para escape de motores pobre.
US11117098B2 (en) 2015-03-30 2021-09-14 Basf Corporation Multifunctional filters for diesel emission control
DE102016215718A1 (de) * 2016-08-22 2018-02-22 Robert Bosch Gmbh Verfahren und Vorrichtung zur Ablaufsteuerung eines Abgasreinigungssystems
EP3339590B1 (en) 2016-12-21 2019-08-28 Perkins Engines Company Limited Selective catalytic reduction system
CH716216A1 (de) * 2019-05-22 2020-11-30 Liebherr Machines Bulle Sa System zum Einspritzen einer Flüssigkeit in eine Leitung.
CN114018848B (zh) * 2021-11-16 2022-11-11 无锡时和安全设备有限公司 可视化氮氧化物转化系统
DE102022115914A1 (de) * 2022-06-27 2023-12-28 Thomas Nikolaus Verfahren zur Reinigung von Abgas aus einem Verbrennungsprozess und Verbrennungsvorrichtung mit Abgasreinigung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3337793A1 (de) * 1983-10-18 1985-05-02 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren zur regelung der zugabemenge an reduktionsmittel bei der katalytischen reduktion von in rauchgasen enthaltenem no(pfeil abwaerts)x(pfeil abwaerts)
DE3523326A1 (de) * 1985-06-29 1987-01-08 Steag Ag Verfahren zur abscheidung von no(pfeil abwaerts)x(pfeil abwaerts) aus gasen, insbesondere rauchgasen
DE3604045C1 (de) * 1986-02-08 1987-01-29 Steag Ag Verfahren zum Abscheiden von Stickstoffoxiden aus Rauchgasen
JPS62213824A (ja) * 1986-03-14 1987-09-19 Mitsubishi Heavy Ind Ltd 脱硝装置のｎｈ３注入制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376635A (zh) * 2016-08-18 2017-11-24 天津大唐国际盘山发电有限责任公司 一种烟气脱硝催化剂防低温运行自动保护方法及控制系统
CN107376635B (zh) * 2016-08-18 2020-02-11 天津大唐国际盘山发电有限责任公司 一种烟气脱硝催化剂防低温运行自动保护方法及控制系统

Also Published As

Publication number Publication date
CN1041288A (zh) 1990-04-18
JPH0268119A (ja) 1990-03-07
KR910002499A (ko) 1991-02-25
EP0362483A1 (de) 1990-04-11
DE3825206A1 (de) 1990-02-01
US4963332A (en) 1990-10-16

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Ipc: F01N 3/20 (2006.01), B01D 53/86 (2006.0