BE787077A - Procede, dispositif et catalyseur de decomposition des oxydes d'azote des gaz d'echappement de moteurs a combustion interne - Google Patents

Procede, dispositif et catalyseur de decomposition des oxydes d'azote des gaz d'echappement de moteurs a combustion interne

Info

Publication number
BE787077A
BE787077A BE787077A BE787077A BE787077A BE 787077 A BE787077 A BE 787077A BE 787077 A BE787077 A BE 787077A BE 787077 A BE787077 A BE 787077A BE 787077 A BE787077 A BE 787077A
Authority
BE
Belgium
Prior art keywords
decomposition
catalyst
internal combustion
exhaust gases
nitrogen oxides
Prior art date
Application number
BE787077A
Other languages
English (en)
Inventor
T P Kobylinski
B W Taylor
Original Assignee
Gulf Research & Dev Cy
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 Gulf Research & Dev Cy filed Critical Gulf Research & Dev Cy
Publication of BE787077A publication Critical patent/BE787077A/fr

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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • 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
    • B01D2255/1026—Ruthenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE787077A 1971-08-02 1972-08-02 Procede, dispositif et catalyseur de decomposition des oxydes d'azote des gaz d'echappement de moteurs a combustion interne BE787077A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16843071A 1971-08-02 1971-08-02
US20754571A 1971-12-13 1971-12-13

Publications (1)

Publication Number Publication Date
BE787077A true BE787077A (fr) 1972-12-01

Family

ID=26864114

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787077A BE787077A (fr) 1971-08-02 1972-08-02 Procede, dispositif et catalyseur de decomposition des oxydes d'azote des gaz d'echappement de moteurs a combustion interne

Country Status (8)

Country Link
US (1) US3784675A (fr)
BE (1) BE787077A (fr)
CA (1) CA975535A (fr)
DE (1) DE2238100A1 (fr)
FR (1) FR2148137A1 (fr)
GB (1) GB1364378A (fr)
IT (1) IT961811B (fr)
NL (1) NL7210565A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4875456A (fr) * 1972-01-14 1973-10-11
BE794625A (fr) * 1972-01-27 1973-05-16 British Gas Corp Perfectionnements relatifs a des catalyseurs
US4076792A (en) * 1972-04-12 1978-02-28 Corning Glass Works Catalyst systems for the reduction of the oxides of nitrogen
JPS5331838B2 (fr) * 1972-04-15 1978-09-05
GB1460273A (en) * 1972-12-22 1976-12-31 Johnson Matthey Co Ltd Ruthenium catalysts
DE2306395C3 (de) * 1973-02-09 1978-08-10 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Trägerkatalysator
JPS53755B2 (fr) * 1973-02-14 1978-01-11
IT1003097B (it) * 1973-03-28 1976-06-10 Tokyo Electric Co Ltd Catalizzatore per trattare i gas di scarico di veicoli a motore
US3972837A (en) * 1973-07-03 1976-08-03 Johnson Matthey & Co., Limited Catalyst for purifying automotive exhaust gases
JPS5410944B2 (fr) * 1973-08-27 1979-05-10
US3922235A (en) * 1974-07-31 1975-11-25 Exxon Research Engineering Co Stabilized ruthenium catalysts for selective reduction of oxides of nitrogen
US4020013A (en) * 1975-10-20 1977-04-26 Uop Inc. Catalytic composite for treating exhaust gases from an internal combustion engine
GB1581628A (en) * 1976-03-18 1980-12-17 Johnson Matthey Co Ltd Catalytic purification of automobile exhaust gases
US4149998A (en) * 1976-04-05 1979-04-17 Exxon Research & Engineering Co. Supported metal interaction catalysts
US4170627A (en) * 1978-04-10 1979-10-09 Uop Inc. Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture
FR2466434A1 (fr) * 1979-10-01 1981-04-10 Uop Inc Procede de separation simultanee des oxydes de soufre et d'azote d'un melange gazeux
JPS56102940A (en) * 1980-01-18 1981-08-17 Toyota Motor Corp Catalyst for cleaning exhaust gas
AU7959082A (en) * 1981-01-20 1982-07-29 Johnson Matthey Public Ltd. Co. Three-way catalysts for exhaust gas
DE3130805A1 (de) * 1981-08-04 1983-02-24 Basf Ag, 6700 Ludwigshafen Neue ruthenium/kohle-hydrierkatalysatoren, deren herstellung und verwendung zur selektiven hydrierung von ungesaettigten carbonylverbindungen
US4558030A (en) * 1984-06-29 1985-12-10 Exxon Research And Engineering Co. Ruthenium-rhenium catalyst on titania support for Fischer-Tropsch synthesis
US4567205A (en) * 1984-06-29 1986-01-28 Exxon Research And Engineering Co. Ruthenium catalysts, and use thereof for Fischer-Tropsch synthesis
EP0614692A1 (fr) * 1990-05-03 1994-09-14 Sakai Chemical Industry Co., Ltd., Catalyseurs et procédés pour la dénitration
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
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
CA2510656A1 (fr) * 2002-12-20 2004-07-15 Honda Giken Kogyo Kabushiki Kaisha Catalyseurs au platine-ruthenium pour la production d'hydrogene
JP2009545437A (ja) * 2006-08-01 2009-12-24 コーメテック， インコーポレイテッド 排ガス処理のための組成物および方法
GB201617349D0 (en) * 2016-10-13 2016-11-30 Johnson Matthey Public Limited Company Oxidation catalyst for hydrocarbons produced by an internal combustion engine
CN113731450B (zh) * 2021-09-22 2023-08-29 苏州松之源环保科技有限公司 一种掺杂型的铯钒碱金属催化剂
CN116099569A (zh) * 2023-02-20 2023-05-12 中国科学院生态环境研究中心 一种氨内燃机尾气净化用催化剂及其制备方法和用途

Also Published As

Publication number Publication date
NL7210565A (fr) 1973-02-06
CA975535A (en) 1975-10-07
GB1364378A (en) 1974-08-21
DE2238100A1 (de) 1973-02-15
US3784675A (en) 1974-01-08
IT961811B (it) 1973-12-10
FR2148137A1 (fr) 1973-03-11

Similar Documents

Publication Publication Date Title
BE787077A (fr) Procede, dispositif et catalyseur de decomposition des oxydes d'azote des gaz d'echappement de moteurs a combustion interne
BE797541A (fr) Procede et dispositif pour reduire la teneur en composants toxiques des gaz d'echappement de moteurs a combustion interne
FR2303158A1 (fr) Dispositif a catalyse pour supprimer la toxicite des gaz d'echappement de moteurs a combustion interne
BE786624A (fr) Procede de reduction de la teneur en oxyde de carbone des gaz d'echappement des moteurs a combustion interne
IT964681B (it) Dispositivo per decontaminare i gas di scarico di motori a scoppio
FR2283312A1 (fr) Appareil et dispositif d'amortissement des bruits, notamment a l'echappement des moteurs a combustion interne
BE788126A (fr) Catalyseur, son procede de preparation, et son utilisation pourpurifierles gaz d'echappement des moteurs a combustion
FR2323008A1 (fr) Dispositif a chambres de reaction des gaz d'echappement pour moteur a combustion interne
JPS5471226A (en) Catalytic transducer for exhaust gas from internal combustion engine
CA996333A (en) Process for purifying exhaust gases from internal combustion engines
FR2284032A1 (fr) Moteur stirling pourvu d'un dispositif de recirculation des gaz d'echappement
FR1457181A (fr) Procédé et dispositif pour la post-combustion des gaz d'échappement de moteurs àcombustion interne
FR2326973A1 (fr) Catalyseur permettant d'eliminer les oxydes d'azote des gaz d'echappement d'un moteur a combustion interne
FR2317486A1 (fr) Procede de filtration des gaz d'echappement d'un moteur a combustion interne a auto-allumage
FR2296089A1 (fr) Dispositif de purification de gaz d'echappement d'un moteur a combustion interne a deux groupes de chambres de combustion, et moteur equipe de ce dispositif
BE748758A (fr) Procede et dispositif pour l'oxydation complete des gaz d'echappement de moteurs a combustion interne
FR1469020A (fr) Procédé et catalyseurs pour la purification des gaz d'échappement des moteurs à explosion et dispositif de conversion catalytique utilisant ce procédé et ces catalyseurs
FR1396861A (fr) Procédé et catalyseurs d'épuration de gaz d'échappement de moteurs à combustion interne
IT948084B (it) Procedimento e dispositivo per la rimozione di ossidi di azoto dallo scarico di motori a combustione interna
JPS5297023A (en) Exhaust gas recirculation device for selffignition internal combustion engine
BE774160A (fr) Procede et appareil pour la purification des gaz d'echappement des moteurs a combustion interne
FR1377032A (fr) Dispositif pour l'épuration catalytique des gaz d'échappement de moteurs thermiques
AU457445B2 (en) Catalyst for removing nitrogen oxides contained inthe exhaust gas from internal combustion engines andthe use thereof
ZA721665B (en) Process and device for recycling exhaust gas for a heat engine
AU3750771A (en) Catalyst for removing nitrogen oxides contained inthe exhaust gas from internal combustion engines andthe use thereof