BE866384A - Procede et dispositif catalytiques d'epuration des gaz d'echappement - Google Patents

Procede et dispositif catalytiques d'epuration des gaz d'echappement

Info

Publication number
BE866384A
BE866384A BE187108A BE187108A BE866384A BE 866384 A BE866384 A BE 866384A BE 187108 A BE187108 A BE 187108A BE 187108 A BE187108 A BE 187108A BE 866384 A BE866384 A BE 866384A
Authority
BE
Belgium
Prior art keywords
exhaust gas
gas treatment
catalytic process
catalytic
treatment
Prior art date
Application number
BE187108A
Other languages
English (en)
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of BE866384A publication Critical patent/BE866384A/fr

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
    • B01D53/92—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
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2832—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support granular, e.g. pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04—Zeolitic material
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
BE187108A 1977-05-31 1978-04-26 Procede et dispositif catalytiques d'epuration des gaz d'echappement BE866384A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80220577A 1977-05-31 1977-05-31

Publications (1)

Publication Number Publication Date
BE866384A true BE866384A (fr) 1978-10-26

Family

ID=25183105

Family Applications (1)

Application Number Title Priority Date Filing Date
BE187108A BE866384A (fr) 1977-05-31 1978-04-26 Procede et dispositif catalytiques d'epuration des gaz d'echappement

Country Status (6)

Country Link
US (1) US4188364A (fr)
JP (1) JPS53147673A (fr)
BE (1) BE866384A (fr)
CA (1) CA1107653A (fr)
FR (1) FR2393145A1 (fr)
GB (1) GB1586530A (fr)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082141B1 (fr) * 1981-06-22 1985-08-28 Caterpillar Tractor Co. Systeme de commande du rapport ammoniac/combustible pour reduire les emissions d'oxyde d'azote
US4403473A (en) * 1981-06-22 1983-09-13 Caterpillar Tractor Co. Ammonia/fuel ratio control system for reducing nitrogen oxide emissions
DE3405649A1 (de) * 1984-02-17 1985-09-05 Uhde Gmbh, 4600 Dortmund Verfahren zur entfernung von aromatischen kohlenwasserstoffen in abgasen
GB2162830B (en) * 1984-08-10 1988-08-10 Babcock Hitachi Kk Ammonia reduction-denitration process and apparatus therefor
JPH064126B2 (ja) * 1985-06-10 1994-01-19 株式会社日本触媒 排ガス浄化方法
JPH0667453B2 (ja) * 1986-02-12 1994-08-31 バブコツク日立株式会社 脱硝装置
AT385915B (de) * 1986-07-30 1988-06-10 Jenbacher Werke Ag Verfahren zur katalysator-steuerung und -regelung
FI88363C (fi) * 1986-09-25 1993-05-10 Siemens Ag Roekgasanlaeggning
CA1298957C (fr) * 1987-01-27 1992-04-21 Motonobu Kobayashi Methode permettant d'eliminer les oxydes d'azote des gaz d'echappement d'un moteur diesel
DE3802871A1 (de) * 1987-01-31 1988-08-11 Ibs Engineering & Consulting I Anwendung eines katalysators auf der basis von modifiziertem zeolith, beladen mit einem oder mehreren metallen aus der gruppe von fe, cu, ni und co, im scr-verfahren
JP2879738B2 (ja) * 1989-03-28 1999-04-05 触媒化成工業株式会社 排ガスの浄化方法およびそれに使用する触媒成型体
US5024981A (en) * 1989-04-20 1991-06-18 Engelhard Corporation Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same
DE3929297C2 (de) * 1989-07-28 1996-03-14 Degussa Katalysator zur Reinigung von Abgasen aus überstöchiometrisch betriebenen Verbrennungsmotoren und Gasturbinen
US5189876A (en) * 1990-02-09 1993-03-02 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification system for an internal combustion engine
US5224346A (en) * 1991-05-16 1993-07-06 James W. Davis Engine NOx reduction system
US5155077A (en) * 1991-09-03 1992-10-13 Ford Motor Company Catalyst for purification of lean-burn engine exhaust gas
DE69321093T2 (de) * 1993-01-08 1999-02-25 Ford-Werke Ag, 50735 Koeln Zweistufiges katalysator System für einem Verbrennungsmotor
US5302350A (en) * 1993-01-26 1994-04-12 Fci - Fiberchem, Inc. Specific and reversible carbon monoxide sensor
EP0617199B1 (fr) * 1993-03-26 1996-01-31 Siemens Aktiengesellschaft Catalyseur pour le réduction de la teneur en oxydes d'azote dans le gaz d'échappement d'un moteur à combustion interne
EP0628706A2 (fr) * 1993-06-10 1994-12-14 Inco Limited Conversion catalytique du gaz d'échappement de moteur à combustion interne
DE4423003C2 (de) * 1993-07-06 1999-01-21 Ford Werke Ag Verfahren und Vorrichtung zum Reduzieren von NO¶x¶ in den Abgasen von Kraftfahrzeugverbrennungsmotoren
DE69425972T2 (de) * 1993-07-12 2001-05-23 Clean Diesel Technologies Inc., Stamford Methode zum herabsetzen von nox-emissionen und von teilchen aus einem dieselmotor
US5367889A (en) * 1993-08-25 1994-11-29 Lanyon; Joseph G. Exhaust treatment apparatus
ATE169130T1 (de) * 1993-11-04 1998-08-15 Siemens Ag Verfahren und einrichtung zur dosierung eines reaktanten in ein strömungsmedium
WO1995031273A1 (fr) * 1994-05-12 1995-11-23 Wheelabrator Clean Air Systems Inc. PROCEDE DE REDUCTION SELECTIVE DE NOx EN DEUX ETAPES
DK171722B1 (da) * 1994-10-14 1997-04-14 Topsoe Haldor As Fremgangsmåde til katalytisk lavtemperaturoxidation af ammoniak i en ammoniakholdig gas
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
US5792436A (en) * 1996-05-13 1998-08-11 Engelhard Corporation Method for using a regenerable catalyzed trap
US5809775A (en) * 1997-04-02 1998-09-22 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by selective catalytic reduction utilizing solid reagents
JP3482874B2 (ja) * 1998-05-28 2004-01-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
GB2343178B (en) * 1998-10-30 2002-07-24 Univ Reading Catalytic conversion of ammonia
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
DE10037165A1 (de) * 2000-07-20 2002-02-21 Inst Angewandte Chemie Berlin Katalysator für die Entfernung von Kohlenwasserstoffspuren aus Gasströmen
US6415602B1 (en) 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
US7497076B2 (en) * 2002-05-07 2009-03-03 Extengine Transport Systems Emission control system
WO2003100225A1 (fr) * 2002-05-07 2003-12-04 Extengine Transport Systems Systeme de reglage d'emissions
US7481983B2 (en) 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
WO2006050318A1 (fr) 2004-10-29 2006-05-11 Philip Morris Usa Inc. Systeme de mesure de l'agent reducteur de nox pour moteurs a combustion interne a melange pauvre
US8389432B2 (en) * 2006-09-25 2013-03-05 Umicore Ag & Co. Kg Structured automotive catalyst with improved thermal ageing stability
US20090180942A1 (en) * 2008-01-16 2009-07-16 Caudle Matthew T Selective ammonia oxidation catalysts
US20090180943A1 (en) * 2008-01-16 2009-07-16 Basf Catalysts Llc Selective Ammonia Oxidation Catalysts
JP2009220033A (ja) * 2008-03-17 2009-10-01 Mitsubishi Fuso Truck & Bus Corp 排気浄化触媒装置
US20100115930A1 (en) * 2008-11-07 2010-05-13 Gm Global Technology Operations, Inc. Exhaust after treatment system
FR2949812B1 (fr) * 2009-09-10 2012-03-30 Peugeot Citroen Automobiles Sa Dispositif et procede de regulation de l'injection d'une quantite de reducteur en phase gaz
EP2301650B1 (fr) * 2009-09-24 2016-11-02 Haldor Topsøe A/S Procédé et système de catalyseur pour scr de nox
WO2018065353A1 (fr) 2016-10-03 2018-04-12 Umicore Ag & Co. Kg Article catalyseur et procédé de réduction d'ammoniac et d'oxydes d'azote
ES2703221A1 (es) 2017-09-07 2019-03-07 Haldor Topsoe As Nuevo tamiz molecular de ERI y un método para su preparación
ES2703220A1 (es) 2017-09-07 2019-03-07 Haldor Topsoe As Método para la preparación de un nuevo tamiz molecular de ERI
ES2703222A1 (es) 2017-09-07 2019-03-07 Haldor Topsoe As Catalizador que comprende un nuevo tamiz molecular que pertenece a la familia ERI y uso del catalizador
EP3841064A1 (fr) 2018-08-24 2021-06-30 UMICORE AG & Co. KG Méthode de préparation d'un tamis moléculaire du type cha
JP2024513444A (ja) 2021-04-09 2024-03-25 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト 遷移金属促進チャバザイトのワンポット合成

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US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
GB1393053A (en) * 1972-08-30 1975-05-07 Atomic Energy Commission Catalytic reduction of nitrogen oxides
JPS5518539B2 (fr) * 1972-11-14 1980-05-20
US3895094A (en) * 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen
JPS50133995A (fr) * 1974-04-11 1975-10-23
CS196549B1 (en) * 1975-05-07 1980-03-31 Miroslav Markvart Process for selective catalytic reduction of nitrogen oxides from waste gases

Also Published As

Publication number Publication date
GB1586530A (en) 1981-03-18
FR2393145B1 (fr) 1984-03-02
FR2393145A1 (fr) 1978-12-29
CA1107653A (fr) 1981-08-25
JPS53147673A (en) 1978-12-22
US4188364A (en) 1980-02-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR TRACTOR CO.

Effective date: 19840426