FR2728484B1 - Procede et unite de catalyseur pour la reduction des substances polluantes, notamment pour la reduction des oxydes d'azote contenus dans les gaz d'echappement des moteurs a combustion interne - Google Patents

Procede et unite de catalyseur pour la reduction des substances polluantes, notamment pour la reduction des oxydes d'azote contenus dans les gaz d'echappement des moteurs a combustion interne

Info

Publication number
FR2728484B1
FR2728484B1 FR9515262A FR9515262A FR2728484B1 FR 2728484 B1 FR2728484 B1 FR 2728484B1 FR 9515262 A FR9515262 A FR 9515262A FR 9515262 A FR9515262 A FR 9515262A FR 2728484 B1 FR2728484 B1 FR 2728484B1
Authority
FR
France
Prior art keywords
reduction
internal combustion
exhaust gases
nitrogen oxides
combustion engines
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 - Fee Related
Application number
FR9515262A
Other languages
English (en)
Other versions
FR2728484A1 (fr
Inventor
Martin Hartweg
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.)
Daimler Benz AG
Original Assignee
Daimler Benz 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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2728484A1 publication Critical patent/FR2728484A1/fr
Application granted granted Critical
Publication of FR2728484B1 publication Critical patent/FR2728484B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
    • 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
    • B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
    • B01D53/326—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 by electrical effects other than those provided for in group B01D61/00 in electrochemical cells
    • 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
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electrochemistry (AREA)
  • Biomedical Technology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
FR9515262A 1994-12-23 1995-12-21 Procede et unite de catalyseur pour la reduction des substances polluantes, notamment pour la reduction des oxydes d'azote contenus dans les gaz d'echappement des moteurs a combustion interne Expired - Fee Related FR2728484B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4446280A DE4446280C2 (de) 1994-12-23 1994-12-23 Verfahren und eine Katalysatoreinheit zur Reduktion von Schadstoffen, insbesondere zur Reduktion von Stickoxiden in Abgasen von Verbrennungskraftmaschinen

Publications (2)

Publication Number Publication Date
FR2728484A1 FR2728484A1 (fr) 1996-06-28
FR2728484B1 true FR2728484B1 (fr) 1998-03-27

Family

ID=6536906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9515262A Expired - Fee Related FR2728484B1 (fr) 1994-12-23 1995-12-21 Procede et unite de catalyseur pour la reduction des substances polluantes, notamment pour la reduction des oxydes d'azote contenus dans les gaz d'echappement des moteurs a combustion interne

Country Status (6)

Country Link
US (1) US5707509A (fr)
JP (1) JP3094323B2 (fr)
DE (1) DE4446280C2 (fr)
FR (1) FR2728484B1 (fr)
GB (1) GB2296453B (fr)
IT (1) IT1276254B1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19645689B4 (de) * 1996-11-06 2006-05-11 Bayerische Motoren Werke Ag Vorrichtung zur Abgasnachbehandlung für eine Brennkraftmaschine, insbesondere Otto-Motor mit Magerbetrieb
DE59809089D1 (de) * 1997-04-28 2003-08-28 Inst Niedertemperatur Plasmaph Vorrichtung und verfahren zur zersetzung von schadstoffen in abgasen von verbrennungsprozessen
JP4217457B2 (ja) * 2002-10-23 2009-02-04 三菱電機株式会社 窒素酸化物分解素子およびこれを備えた窒素酸化物分解装置
FR2895274B1 (fr) * 2005-12-23 2008-04-04 Peugeot Citroen Automobiles Sa Catalyseur pour ligne d'echappement de moteur, dispositif de reduction des emissions polluantes incluant ce catalyseur et utilisations de ce dispositif
JP2009125622A (ja) * 2007-11-20 2009-06-11 Toyota Industries Corp 排気ガスの浄化装置
JP4525748B2 (ja) * 2007-12-20 2010-08-18 株式会社豊田自動織機 排気ガス処理装置
RU2508968C2 (ru) * 2009-08-14 2014-03-10 Сэнт-Гобэн Эбрейзивс, Инк. Абразивное изделие (варианты) и способ его формирования
EP2464485A2 (fr) 2009-08-14 2012-06-20 Saint-Gobain Abrasives, Inc. Articles abrasifs comprenant des particules abrasives collées sur un corps allongé
TW201507812A (zh) 2010-12-30 2015-03-01 Saint Gobain Abrasives Inc 磨料物品及形成方法
WO2013040423A2 (fr) 2011-09-16 2013-03-21 Saint-Gobain Abrasives, Inc. Article abrasif et procédé de formation
KR20140075717A (ko) 2011-09-29 2014-06-19 생-고뱅 어브레이시브즈, 인코포레이티드 배리어층이 있는 신장 기재 몸체 결합 연마 입자를 포함하는 연마 물품, 및 이를 형성하는 방법
TW201404527A (zh) 2012-06-29 2014-02-01 Saint Gobain Abrasives Inc 研磨物品及形成方法
TWI477343B (zh) 2012-06-29 2015-03-21 Saint Gobain Abrasives Inc 研磨物品及形成方法
TW201402274A (zh) 2012-06-29 2014-01-16 Saint Gobain Abrasives Inc 研磨物品及形成方法
TW201441355A (zh) 2013-04-19 2014-11-01 Saint Gobain Abrasives Inc 研磨製品及其形成方法
TWI621505B (zh) 2015-06-29 2018-04-21 聖高拜磨料有限公司 研磨物品及形成方法
JP6970053B2 (ja) 2018-05-10 2021-11-24 トヨタ自動車株式会社 電気化学リアクタを備えた内燃機関及び内燃機関を搭載した車両
JP7183796B2 (ja) * 2019-01-08 2022-12-06 トヨタ自動車株式会社 電気化学リアクタ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7340645U (de) * 1974-07-11 Toyo Kogyo Co Ltd Abgasreiniger
US3950944A (en) * 1973-11-14 1976-04-20 Toyo Kogyo Co., Ltd. Exhaust gas cleaning system for the internal combustion engine
US4253925A (en) * 1979-10-22 1981-03-03 The Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for catalytic dissociation of NO
US5022975A (en) * 1985-11-12 1991-06-11 16R Enterprises, Inc. Solid state electrochemical pollution control device
DE3644090A1 (de) * 1986-12-23 1988-07-07 Bbc Brown Boveri & Cie Verfahren und vorrichtung zum reinigen von abgasen
ES2091812T3 (es) * 1990-10-10 1996-11-16 Constantin G Vayenas Uso de catalizadores electroliticos de metal solido.
US5284556A (en) * 1991-05-01 1994-02-08 Plasmachines, Inc. Exhaust treatment system and method
DE69311832T2 (de) * 1992-04-14 1997-10-16 Toyoda Chuo Kenkyusho Kk Verfahren zur Reduktion von Stickoxiden

Also Published As

Publication number Publication date
ITRM950827A1 (it) 1997-06-18
JP3094323B2 (ja) 2000-10-03
US5707509A (en) 1998-01-13
GB9524674D0 (en) 1996-01-31
ITRM950827A0 (fr) 1995-12-18
JPH08238422A (ja) 1996-09-17
FR2728484A1 (fr) 1996-06-28
GB2296453A (en) 1996-07-03
GB2296453B (en) 1997-05-28
DE4446280C2 (de) 1998-02-19
DE4446280A1 (de) 1996-06-27
IT1276254B1 (it) 1997-10-27

Similar Documents

Publication Publication Date Title
FR2728484B1 (fr) Procede et unite de catalyseur pour la reduction des substances polluantes, notamment pour la reduction des oxydes d'azote contenus dans les gaz d'echappement des moteurs a combustion interne
GB2267365B (en) Exhaust gas aftertreatment device for internal combustion engines
AR243644A1 (es) Filtro de hollin para la depuracion del gas de escape de un motor de combustion interna
EP0601287A3 (en) Apparatus for purifying exhaust gas of diesel engine.
EP1433933A3 (fr) Dispositif de purification des gaz d'échappement d'un moteur à combustion interne et catalyseur pour purifier les gaz d'échappement d'un moteur à combustion interne
ZA958684B (en) A process for simultaneously reducing the amounts of hydrocarbons carbon monoxide and nitrogen oxides contained in the exhaust gas from an internal combustion engine
EP1158143A3 (fr) Dispositif de purification des gaz d'échappement d'un moteur diesel
GB2295334B (en) Arrangements for the after-treatment of exhaust gases from internal combustion engines
DE69216101D1 (de) Partikelfilter zur reinigung von dieselmotorabgas
KR910012499A (ko) 내연기관용 배기가스정화장치 및 그것을 동작시키는 방법
HU9301170D0 (en) Catalyst for purifying exhaust gases of diesel engines by means of oxidation
EP0475177A3 (en) Apparatus for detecting purification factor of catalyst in catalytic converter of internal combustion engine
FR2704450B1 (fr) Installation pour la réduction des oxydes d'azote dans les gaz d'échappement d'unités de combustion.
DE69611675D1 (de) Dieselmotorabgasreinigungskatalysator
GB2308820B (en) Exhaust denitration for diesel engines
EP0622107A3 (fr) Catalyseur pour purifier les gaz d'échappement d'un moteur diesel.
GB9218207D0 (en) The purification of internal combustion engine exhaust emissions
HUP9801585A3 (en) Exhaust gas purification device for internal combustion engines
FR2818687B1 (fr) Dispositif de purification des gaz d'echappement et procede pour un moteur a combustion interne
ZA895426B (en) Catalyst for the removal of harmful substances contained in exhaust gases of internal combustion engines driven predominantly with alcohol,process for preparation and use
FR2769984B1 (fr) Element de detection planaire pour determiner des composants gazeux, notamment la teneur en oxygene contenue dans les gaz d'echappement de moteurs a combustion interne
FR2728300B1 (fr) Dispositif de traitement des gaz d'echappement d'un moteur a allumage par compression comportant un catalyseur et un adsorbeur d'oxydes d'azote places dans le collecteur d'echappement
FR2760654B1 (fr) Procede et dispositif pour reduire l'emission de produits polluants dans les gaz d'echappement de moteurs a combustion interne equipes de catalyseurs de traitement des gaz d'echappement
AU7530194A (en) Process and device for cleaning a soot filter in the exhaust system of a diesel-fuelled internal combustion engine
FR2755181B1 (fr) Procede et dispositif de reduction des polluants contenus dans les gaz d'echappement d'un moteur a combustion interne

Legal Events

Date Code Title Description
ST Notification of lapse