FR2733924B1 - Materiau et procede pour l'adsorption et la desorption d'oxydes nitriques dans des gaz d'echappement - Google Patents

Materiau et procede pour l'adsorption et la desorption d'oxydes nitriques dans des gaz d'echappement

Info

Publication number
FR2733924B1
FR2733924B1 FR9605617A FR9605617A FR2733924B1 FR 2733924 B1 FR2733924 B1 FR 2733924B1 FR 9605617 A FR9605617 A FR 9605617A FR 9605617 A FR9605617 A FR 9605617A FR 2733924 B1 FR2733924 B1 FR 2733924B1
Authority
FR
France
Prior art keywords
desorption
adsorption
exhaust gases
nitric oxides
nitric
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
FR9605617A
Other languages
English (en)
Other versions
FR2733924A1 (fr
Inventor
Bernd Krutzsch
Andrea Seibold
Leonhard Walz
Walter Boegner
Martina Heinau
Martin Hartweg
Brigitte Konrad
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 FR2733924A1 publication Critical patent/FR2733924A1/fr
Application granted granted Critical
Publication of FR2733924B1 publication Critical patent/FR2733924B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR9605617A 1995-05-09 1996-05-06 Materiau et procede pour l'adsorption et la desorption d'oxydes nitriques dans des gaz d'echappement Expired - Fee Related FR2733924B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19516920A DE19516920A1 (de) 1995-05-09 1995-05-09 Material und Verfahren zur Adsorprtion und Desorption von Stickoxiden in Abgasen

Publications (2)

Publication Number Publication Date
FR2733924A1 FR2733924A1 (fr) 1996-11-15
FR2733924B1 true FR2733924B1 (fr) 1999-04-02

Family

ID=7761416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9605617A Expired - Fee Related FR2733924B1 (fr) 1995-05-09 1996-05-06 Materiau et procede pour l'adsorption et la desorption d'oxydes nitriques dans des gaz d'echappement

Country Status (4)

Country Link
US (1) US5851501A (fr)
DE (1) DE19516920A1 (fr)
FR (1) FR2733924B1 (fr)
GB (1) GB2300630B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217837B1 (en) * 1998-11-02 2001-04-17 Ford Global Technologies, Inc. Use of sol-gel processed alumina-based metal oxides for absorbing nitrogen oxides in oxidizing exhaust gas
US6146602A (en) * 1999-02-08 2000-11-14 Ford Global Technologies, Inc. Mesoporous oxide molecular sieves for absorbing nitrogen oxides in oxidizing engine exhaust gas
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
JP5336485B2 (ja) * 2007-08-02 2013-11-06 ダウ グローバル テクノロジーズ エルエルシー 熱硬化性ポリマーの性能を向上させるための両親媒性ブロックコポリマーおよび無機ナノフィラー

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182694A (en) * 1974-04-25 1980-01-08 E. I. Du Pont De Nemours & Company Ruthenium-containing perovskite catalysts
US4200554A (en) * 1974-04-25 1980-04-29 E. I. Du Pont De Nemours & Company Barium- and ruthenium-containing perovskite catalysts
US5252545A (en) * 1987-07-14 1993-10-12 The United States Of America As Represented By The United States Department Of Energy Dense high temperature ceramic oxide superconductors
JPH01104345A (ja) * 1987-10-15 1989-04-21 Res Dev Corp Of Japan 酸素欠陥型ペロブスカイト触媒
JPH0616851B2 (ja) * 1988-03-25 1994-03-09 新技術事業団 酸素欠陥型ペロブスカイト触媒
JPH01307431A (ja) * 1988-06-06 1989-12-12 Matsushita Electric Ind Co Ltd 窒素酸化物除去装置
GB8901514D0 (en) * 1989-01-24 1989-03-15 British Petroleum Co Plc Perovskite-type catalyst
JP2767298B2 (ja) * 1989-09-05 1998-06-18 財団法人生産開発科学研究所 積層薄膜体及びその製造法
US5128316A (en) * 1990-06-04 1992-07-07 Eastman Kodak Company Articles containing a cubic perovskite crystal structure
JPH0474514A (ja) * 1990-07-16 1992-03-09 Sakai Chem Ind Co Ltd オゾン分解方法
EP0470728A1 (fr) * 1990-08-07 1992-02-12 Takuma Co., Ltd. Procédé pour la réduction des oxydes d'azote contenus dans les gaz d'échappement
JPH04100542A (ja) * 1990-08-20 1992-04-02 Osaka Gas Co Ltd ＮＯхの除去剤及びＮＯхの除去方法
JPH04161222A (ja) * 1990-10-25 1992-06-04 Osaka Gas Co Ltd ＮＯｘの除去剤及びＮＯｘの除去方法
JPH04161221A (ja) * 1990-10-26 1992-06-04 Osaka Gas Co Ltd ＮＯｘの吸着除去方法及びその装置
US5380692A (en) * 1991-09-12 1995-01-10 Sakai Chemical Industry Co., Ltd. Catalyst for catalytic reduction of nitrogen oxide
JP2783074B2 (ja) * 1991-10-29 1998-08-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE4319294C1 (de) * 1993-06-10 1994-05-19 Daimler Benz Ag Verfahren zur Reduzierung von Stickoxiden im Abgas einer Brennkraftmaschine
JP3447384B2 (ja) * 1993-09-29 2003-09-16 本田技研工業株式会社 排気ガス浄化用触媒
DE69503527T2 (de) * 1994-01-20 1999-04-29 Toyota Motor Co Ltd Katalysator zur Reinigung von Abgasen

Also Published As

Publication number Publication date
GB2300630B (en) 1997-12-24
DE19516920A1 (de) 1996-11-14
FR2733924A1 (fr) 1996-11-15
GB9609343D0 (en) 1996-07-10
US5851501A (en) 1998-12-22
GB2300630A (en) 1996-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070131