ATE213522T1 - Bekämpfen von luftverschmutzung - Google Patents

Bekämpfen von luftverschmutzung

Info

Publication number
ATE213522T1
ATE213522T1 AT96919964T AT96919964T ATE213522T1 AT E213522 T1 ATE213522 T1 AT E213522T1 AT 96919964 T AT96919964 T AT 96919964T AT 96919964 T AT96919964 T AT 96919964T AT E213522 T1 ATE213522 T1 AT E213522T1
Authority
AT
Austria
Prior art keywords
oxidation catalyst
hydrogen
temperature
light
air pollution
Prior art date
Application number
AT96919964T
Other languages
English (en)
Inventor
Jonathan Charles Frost
Stephen Charles Bennett
David Scott Lafyatis
Andrew Peter Walker
Original Assignee
Johnson Matthey Plc
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
Priority claimed from GBGB9511421.1A external-priority patent/GB9511421D0/en
Priority claimed from GBGB9525413.2A external-priority patent/GB9525413D0/en
Application filed by Johnson Matthey Plc filed Critical Johnson Matthey Plc
Application granted granted Critical
Publication of ATE213522T1 publication Critical patent/ATE213522T1/de

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
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • 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
    • 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
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0835—Hydrocarbons
    • 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
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—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
    • 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
    • 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
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/02—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the distance of the apparatus to the engine, or the distance between two exhaust treating apparatuses
    • 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
    • F01N3/30—Arrangements for supply of additional 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)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)
  • Catching Or Destruction (AREA)
AT96919964T 1995-06-06 1996-06-05 Bekämpfen von luftverschmutzung ATE213522T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9511421.1A GB9511421D0 (en) 1995-06-06 1995-06-06 Improvements in emissions control
GBGB9525413.2A GB9525413D0 (en) 1995-12-13 1995-12-13 Combatting air pollution
PCT/GB1996/001320 WO1996039576A1 (en) 1995-06-06 1996-06-05 Combatting air pollution

Publications (1)

Publication Number Publication Date
ATE213522T1 true ATE213522T1 (de) 2002-03-15

Family

ID=26307167

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96919964T ATE213522T1 (de) 1995-06-06 1996-06-05 Bekämpfen von luftverschmutzung

Country Status (9)

Country Link
US (1) US5939028A (de)
EP (1) EP0774054B1 (de)
JP (1) JP3952314B2 (de)
AT (1) ATE213522T1 (de)
AU (1) AU705112B2 (de)
BR (1) BR9606433A (de)
CA (1) CA2196904A1 (de)
DE (1) DE69619342T2 (de)
WO (1) WO1996039576A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6793899B2 (en) * 1998-10-29 2004-09-21 Massachusetts Institute Of Technology Plasmatron-catalyst system
GB9718059D0 (en) 1997-08-28 1997-10-29 Johnson Matthey Plc Improvements relating to catalysts
US6074973A (en) * 1998-03-20 2000-06-13 Engelhard Corporation Catalyzed hydrocarbon trap material and method of making the same
JP3518338B2 (ja) * 1998-05-29 2004-04-12 日産自動車株式会社 内燃機関の排気浄化装置
GB2340054B (en) * 1998-07-24 2001-11-07 Johnson Matthey Plc Combatting air pollution
GB9905550D0 (en) 1999-03-11 1999-05-05 Johnson Matthey Plc Improvements in catalyst systems
EP1186764A3 (de) * 2000-09-07 2003-11-12 Nissan Motor Co., Ltd. Vorrichtung zur Reinigung des Abgases eines Motors
JP3716738B2 (ja) * 2000-11-06 2005-11-16 日産自動車株式会社 内燃機関の排気浄化装置
JP3636116B2 (ja) * 2001-03-21 2005-04-06 日産自動車株式会社 内燃機関の排気浄化装置
DE10205968A1 (de) 2002-02-14 2003-08-21 Bosch Gmbh Robert Diagnose eines Wasser-Adsorbers im Abgas eines Verbrennungsmotors
AU2002257493A1 (en) 2002-04-29 2003-11-17 Acron International Technology Limited Air cleaner filter system capable of nano-confined catalytic oxidation
JP2004092535A (ja) * 2002-08-30 2004-03-25 Mitsubishi Motors Corp 排ガス浄化装置
CN1682018A (zh) 2002-09-13 2005-10-12 约翰逊马西有限公司 压燃式发动机及其排放系统
US20040094035A1 (en) * 2002-11-20 2004-05-20 Ford Global Technologies, Inc. Method and apparatus to improve catalyzed hydrocarbon trap efficiency
DE10357887A1 (de) * 2003-11-14 2005-06-16 Volkswagen Ag Brennkraftmaschine mit einer Abgasreinigungsvorrichtung und Verfahren zum Betrieb einer Brennkraftmaschine
CN100448786C (zh) * 2004-08-31 2009-01-07 罗瑞真 一种流体净化方法及其装置
US8115373B2 (en) 2005-07-06 2012-02-14 Rochester Institute Of Technology Self-regenerating particulate trap systems for emissions and methods thereof
EP1970118A1 (de) 2007-03-14 2008-09-17 Ford Global Technologies, LLC Oxidationskatalysator, Verfahren zur Herstellung eines solchen Katalysators und Verwendung eines solchen Katalysators in einer Verbrennungskraftmaschine
CN102132018B (zh) * 2008-03-03 2013-12-18 丰田自动车株式会社 内燃机的排气净化装置
GB201003784D0 (en) 2010-03-08 2010-04-21 Johnson Matthey Plc Improvement in control OPF emissions
JP4998579B2 (ja) * 2010-04-01 2012-08-15 トヨタ自動車株式会社 排気浄化触媒
EP2374536A1 (de) 2010-04-08 2011-10-12 Ford Global Technologies, LLC Palladiumhaltiger Oxidationskatalysator auf ternärem Al-Ti-Zr-Oxid
JP6191380B2 (ja) * 2013-10-17 2017-09-06 いすゞ自動車株式会社 内燃機関の排気ガス浄化システム及び内燃機関の排気ガス浄化方法
GB201322842D0 (en) * 2013-12-23 2014-02-12 Johnson Matthey Plc Exhaust system for a compression ingition engine comprising a water absorbent material
US10207258B2 (en) 2015-06-29 2019-02-19 Corning Incorporated Porous ceramic body to reduce emissions
DE102020216153B3 (de) * 2020-12-17 2022-02-03 Vitesco Technologies GmbH Verfahren zur Reinigung eines Speicherkatalysators und Vorrichtung hierzu
US11648329B1 (en) 2021-11-24 2023-05-16 Rht Limited Air purifiers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389482A (en) * 1977-01-17 1978-08-07 Mitsubishi Electric Corp Temperature display device of exhaust gas purifier
JPS5471225A (en) * 1977-11-17 1979-06-07 Nissan Motor Co Ltd Catalyzer converter for automobile
JPS6093110A (ja) * 1983-10-26 1985-05-24 Matsushita Electric Ind Co Ltd エンジン排熱回収装置
US5296198A (en) * 1990-11-09 1994-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
DE4117364A1 (de) * 1991-05-28 1992-12-03 Duerrwaechter E Dr Doduco Verfahren zum verkuerzen der anspringverzoegerung eines katalysators und vorrichtung zur durchfuehrung des verfahrens
JP2946064B2 (ja) * 1991-08-29 1999-09-06 株式会社日立製作所 エンジン排気浄化装置
JPH05285387A (ja) * 1992-04-13 1993-11-02 Hitachi Ltd 排ガス浄化触媒及び方法
CA2094763A1 (en) * 1992-08-05 1994-02-06 William Hertl System and method for removing hydrocarbons from gaseous mixtures
EP0593898B1 (de) * 1992-10-20 1997-01-29 Corning Incorporated Verfahren zur Konvertierung von Abgasen und Vorrichtung mit thermisch stabilen Zeolithen
JP3311051B2 (ja) * 1992-12-16 2002-08-05 日本碍子株式会社 排気ガス浄化方法及び装置
GB9226434D0 (en) * 1992-12-18 1993-02-10 Johnson Matthey Plc Catalyst
JPH06319948A (ja) * 1993-05-07 1994-11-22 Toray Ind Inc 排気ガス処理装置
US5397550A (en) * 1994-02-14 1995-03-14 Marino, Jr.; Robert R. Catalytic converter and cleaning system
GB9511421D0 (en) * 1995-06-06 1995-08-02 Johnson Matthey Plc Improvements in emissions control

Also Published As

Publication number Publication date
US5939028A (en) 1999-08-17
JP3952314B2 (ja) 2007-08-01
DE69619342T2 (de) 2002-10-02
JPH10504370A (ja) 1998-04-28
WO1996039576A1 (en) 1996-12-12
AU5842496A (en) 1996-12-24
BR9606433A (pt) 1997-09-30
AU705112B2 (en) 1999-05-13
MX9700913A (es) 1998-03-31
EP0774054A1 (de) 1997-05-21
CA2196904A1 (en) 1996-12-12
DE69619342D1 (de) 2002-03-28
EP0774054B1 (de) 2002-02-20

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