GB1453456A - Converters for purifying exhaust gases - Google Patents

Converters for purifying exhaust gases

Info

Publication number
GB1453456A
GB1453456A GB5293773A GB5293773A GB1453456A GB 1453456 A GB1453456 A GB 1453456A GB 5293773 A GB5293773 A GB 5293773A GB 5293773 A GB5293773 A GB 5293773A GB 1453456 A GB1453456 A GB 1453456A
Authority
GB
United Kingdom
Prior art keywords
adl
apl
aal
exhaust gas
ncl
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
Application number
GB5293773A
Other languages
English (en)
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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of GB1453456A publication Critical patent/GB1453456A/en
Expired 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
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9436—Ammonia
    • 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
    • B01D53/9463—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 one brick
    • B01D53/9468—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 one brick in different layers
    • 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
    • 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
    • F01N13/0097—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 the purifying devices are arranged in a single housing
    • 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
    • B01D2255/1021—Platinum
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • 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
    • F01N2570/14—Nitrogen oxides
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
GB5293773A 1972-11-14 1973-11-14 Converters for purifying exhaust gases Expired GB1453456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11460472A JPS5518539B2 (fr) 1972-11-14 1972-11-14

Publications (1)

Publication Number Publication Date
GB1453456A true GB1453456A (en) 1976-10-20

Family

ID=14641999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5293773A Expired GB1453456A (en) 1972-11-14 1973-11-14 Converters for purifying exhaust gases

Country Status (2)

Country Link
JP (1) JPS5518539B2 (fr)
GB (1) GB1453456A (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393145A1 (fr) * 1977-05-31 1978-12-29 Caterpillar Tractor Co Procede et dispositif catalytiques d'epuration des gaz d'echappement
EP0701858A1 (fr) * 1994-09-13 1996-03-20 Toyota Jidosha Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à combustion interne
WO1997017532A1 (fr) * 1995-11-09 1997-05-15 Toyota Jidosha Kabushiki Kaisha Procede et dispositif permettant de purifier les gaz d'echappement d'un moteur
WO1997019262A1 (fr) * 1995-11-17 1997-05-29 Toyota Jidosha Kabushiki Kaisha Procede et dispositif de purification des gaz d'echappement d'un moteur
EP0796983A1 (fr) * 1996-03-22 1997-09-24 Toyota Jidosha Kabushiki Kaisha Dispositif de purification des gaz d'échappement d'un moteur à combustion interne
EP0861972A1 (fr) * 1995-11-17 1998-09-02 Toyota Jidosha Kabushiki Kaisha Dispositif de reglage des emissions d'echappement pour moteurs a combustion interne
EP0878609A3 (fr) * 1997-05-12 2000-03-08 Toyota Jidosha Kabushiki Kaisha Dispositif de purification des gaz d'échappement pour moteur à combustion interne
US6345496B1 (en) 1995-11-09 2002-02-12 Toyota Jidosha Kabushiki Kaisha Method and device for purifying exhaust gas of an engine
FR2839340A1 (fr) * 2002-05-03 2003-11-07 Bosch Gmbh Robert Dispositif de combustion comportant un dispositif de nettoyage des gaz d'echappement d'un moteur a combustion interne
WO2007107078A1 (fr) 2006-03-20 2007-09-27 Xiongliang Wu Dispositif de purification d'echappement par infrarouges et procede associe pour moteur diesel
CN113842921A (zh) * 2021-10-27 2021-12-28 合肥神舟催化净化器股份有限公司 基于三元金属氧化物的柴油机用氨氧化催化剂及制备方法和应用
EP4066923A1 (fr) 2021-03-30 2022-10-05 UMICORE AG & Co. KG Catalyseur de réduction d'ammoniac de l'échappement de moteurs essence à combustion interne

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57192393U (fr) * 1981-05-30 1982-12-06
JP2841411B2 (ja) * 1989-01-27 1998-12-24 日本鋼管株式会社 アンモニアから水素の取得方法
US5783160A (en) * 1995-01-27 1998-07-21 Toyota Jidosha Kabushiki Kaisha Method for purifying combustion exhaust gas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532891B2 (fr) * 1972-08-25 1980-08-27

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393145A1 (fr) * 1977-05-31 1978-12-29 Caterpillar Tractor Co Procede et dispositif catalytiques d'epuration des gaz d'echappement
US5746052A (en) * 1994-09-13 1998-05-05 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
EP0701858A1 (fr) * 1994-09-13 1996-03-20 Toyota Jidosha Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à combustion interne
US6345496B1 (en) 1995-11-09 2002-02-12 Toyota Jidosha Kabushiki Kaisha Method and device for purifying exhaust gas of an engine
WO1997017532A1 (fr) * 1995-11-09 1997-05-15 Toyota Jidosha Kabushiki Kaisha Procede et dispositif permettant de purifier les gaz d'echappement d'un moteur
EP0861972A4 (fr) * 1995-11-17 2004-08-04 Toyota Motor Co Ltd Dispositif de reglage des emissions d'echappement pour moteurs a combustion interne
WO1997019262A1 (fr) * 1995-11-17 1997-05-29 Toyota Jidosha Kabushiki Kaisha Procede et dispositif de purification des gaz d'echappement d'un moteur
EP0861972A1 (fr) * 1995-11-17 1998-09-02 Toyota Jidosha Kabushiki Kaisha Dispositif de reglage des emissions d'echappement pour moteurs a combustion interne
US6047542A (en) * 1995-11-17 2000-04-11 Toyota Jidosha Kabushiki Kaisha Method and device for purifying exhaust gas of engine
US5964088A (en) * 1996-03-22 1999-10-12 Toyota Jidosha Kabushiki Kaisha Device for purifying exhaust gas of engine
EP0796983A1 (fr) * 1996-03-22 1997-09-24 Toyota Jidosha Kabushiki Kaisha Dispositif de purification des gaz d'échappement d'un moteur à combustion interne
EP0878609A3 (fr) * 1997-05-12 2000-03-08 Toyota Jidosha Kabushiki Kaisha Dispositif de purification des gaz d'échappement pour moteur à combustion interne
FR2839340A1 (fr) * 2002-05-03 2003-11-07 Bosch Gmbh Robert Dispositif de combustion comportant un dispositif de nettoyage des gaz d'echappement d'un moteur a combustion interne
US6871491B2 (en) 2002-05-03 2005-03-29 Robert Bosch Gmbh Combustion system having an emission control device
WO2007107078A1 (fr) 2006-03-20 2007-09-27 Xiongliang Wu Dispositif de purification d'echappement par infrarouges et procede associe pour moteur diesel
EP2034146A1 (fr) * 2006-03-20 2009-03-11 Wu, Xiongliang Dispositif de purification d'echappement par infrarouges et procede associe pour moteur diesel
EP2034146A4 (fr) * 2006-03-20 2010-05-05 Xiongliang Wu Dispositif de purification d'echappement par infrarouges et procede associe pour moteur diesel
EP4066923A1 (fr) 2021-03-30 2022-10-05 UMICORE AG & Co. KG Catalyseur de réduction d'ammoniac de l'échappement de moteurs essence à combustion interne
WO2022207589A1 (fr) 2021-03-30 2022-10-06 Umicore Ag & Co. Kg Catalyseur pour la réduction de l'ammoniac provenant de l'échappement de moteurs à combustion interne à essence
CN113842921A (zh) * 2021-10-27 2021-12-28 合肥神舟催化净化器股份有限公司 基于三元金属氧化物的柴油机用氨氧化催化剂及制备方法和应用
CN113842921B (zh) * 2021-10-27 2023-11-24 合肥神舟催化净化器股份有限公司 基于三元金属氧化物的柴油机用氨氧化催化剂及制备方法和应用

Also Published As

Publication number Publication date
JPS5518539B2 (fr) 1980-05-20
JPS4971313A (fr) 1974-07-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee