GB0428289D0 - Reductant addition in exhaust system comprising NOx-absorbent - Google Patents

Reductant addition in exhaust system comprising NOx-absorbent

Info

Publication number
GB0428289D0
GB0428289D0 GBGB0428289.3A GB0428289A GB0428289D0 GB 0428289 D0 GB0428289 D0 GB 0428289D0 GB 0428289 A GB0428289 A GB 0428289A GB 0428289 D0 GB0428289 D0 GB 0428289D0
Authority
GB
United Kingdom
Prior art keywords
nox
absorbent
exhaust system
reductant addition
reductant
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.)
Ceased
Application number
GBGB0428289.3A
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.)
Johnson Matthey PLC
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
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GBGB0428289.3A priority Critical patent/GB0428289D0/en
Publication of GB0428289D0 publication Critical patent/GB0428289D0/en
Priority to MXPA06014739A priority patent/MXPA06014739A/en
Priority to PCT/GB2005/002373 priority patent/WO2005124114A1/en
Priority to BRPI0512250-3A priority patent/BRPI0512250A/en
Priority to KR1020077001075A priority patent/KR20070020138A/en
Priority to JP2007516039A priority patent/JP2008502843A/en
Priority to US11/630,009 priority patent/US20110120086A1/en
Priority to EP05756418A priority patent/EP1766201A1/en
Ceased 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
    • F01N3/0807—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
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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
    • 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
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2045—Calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2066—Praseodymium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
GBGB0428289.3A 2004-06-18 2004-12-24 Reductant addition in exhaust system comprising NOx-absorbent Ceased GB0428289D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GBGB0428289.3A GB0428289D0 (en) 2004-12-24 2004-12-24 Reductant addition in exhaust system comprising NOx-absorbent
MXPA06014739A MXPA06014739A (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising nox.
PCT/GB2005/002373 WO2005124114A1 (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising nox-absorbent
BRPI0512250-3A BRPI0512250A (en) 2004-06-18 2005-06-16 exhaust system for a vehicular poor burning internal combustion engine, diesel engine, and method of reducing nox in the exhaust gas of a vehicle poor burning internal combustion engine
KR1020077001075A KR20070020138A (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising nox-absorbent
JP2007516039A JP2008502843A (en) 2004-06-18 2005-06-16 Reductant-added exhaust system with NOx absorbent
US11/630,009 US20110120086A1 (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising NOx-absorbent
EP05756418A EP1766201A1 (en) 2004-06-18 2005-06-16 Reductant addition in exhaust system comprising nox-absorbent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0428289.3A GB0428289D0 (en) 2004-12-24 2004-12-24 Reductant addition in exhaust system comprising NOx-absorbent

Publications (1)

Publication Number Publication Date
GB0428289D0 true GB0428289D0 (en) 2005-01-26

Family

ID=34130894

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0428289.3A Ceased GB0428289D0 (en) 2004-06-18 2004-12-24 Reductant addition in exhaust system comprising NOx-absorbent

Country Status (4)

Country Link
US (1) US20110120086A1 (en)
BR (1) BRPI0512250A (en)
GB (1) GB0428289D0 (en)
MX (1) MXPA06014739A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9611774B2 (en) 2013-03-13 2017-04-04 Basf Corporation Catalyst with improved hydrothermal stability
US9610564B2 (en) 2013-03-13 2017-04-04 Basf Corporation NOx storage catalyst with improved hydrothermal stability and NOx conversion
US9309823B2 (en) * 2014-01-13 2016-04-12 GM Global Technology Operations LLC Exhaust gas recirculation cooler protection system and method

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053165B2 (en) * 1981-03-16 1985-11-25 株式会社豊田中央研究所 Internal combustion engine exhaust smoke collection device
GB8516420D0 (en) * 1985-06-28 1985-07-31 Ontario Research Foundation Diesel particulate traps
DE3717140A1 (en) * 1987-05-21 1988-12-08 Webasto Ag Fahrzeugtechnik Soot filter system in the exhaust tract of a diesel internal combustion engine
JPH0621546B2 (en) * 1988-03-11 1994-03-23 工業技術院長 Method and apparatus for treating particulate matter in exhaust gas
JP3288536B2 (en) * 1994-06-21 2002-06-04 日本碍子株式会社 Exhaust gas filter and exhaust gas treatment device using the same
US5582002A (en) * 1994-06-29 1996-12-10 Pattas; Konstantin Method of and an apparatus for controlled regeneration of a diesel soot filter
DE19606657C1 (en) * 1996-02-23 1997-07-10 Basf Ag Process and device for cleaning gases
JPH1071325A (en) * 1996-06-21 1998-03-17 Ngk Insulators Ltd Method for controlling engine exhaust gas system and method for detecting deterioration in catalyst/ adsorption means
JPH1047048A (en) * 1996-08-02 1998-02-17 Toyota Motor Corp Emission control device for internal combustion engine
FR2753393B1 (en) * 1996-09-13 1998-10-30 Inst Francais Du Petrole METHOD AND DEVICE FOR CONTROLLING A PARTICLE FILTER
WO1998051919A1 (en) * 1997-05-12 1998-11-19 Toyota Jidosha Kabushiki Kaisha Exhaust emission controlling apparatus of internal combustion engine
DE19736384A1 (en) * 1997-08-21 1999-02-25 Man Nutzfahrzeuge Ag Method for metering a reducing agent into nitrogen oxide-containing exhaust gas from an internal combustion engine
DE19924029C2 (en) * 1999-05-26 2001-05-23 Porsche Ag Method for monitoring the function of an exhaust gas aftertreatment system
US6167698B1 (en) * 1999-12-21 2001-01-02 Ford Motor Company Exhaust gas purification system for a lean burn engine
US7081431B2 (en) * 2000-09-08 2006-07-25 Toyota Jidosha Kabushiki Kaisha NOx absorbent and absorption reduction-type NOx purifying catalyst
US6415602B1 (en) * 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
JP3716738B2 (en) * 2000-11-06 2005-11-16 日産自動車株式会社 Exhaust gas purification device for internal combustion engine
JP4122849B2 (en) * 2001-06-22 2008-07-23 株式会社デンソー Catalyst degradation detector
US6487852B1 (en) * 2001-09-04 2002-12-03 Ford Global Technologies, Inc. Method and apparatus for controlling reactant injection into an active lean NOx catalyst
DE10153284A1 (en) * 2001-10-29 2003-05-15 Emitec Emissionstechnologie Filter assembly and process for its manufacture
US6915629B2 (en) * 2002-03-07 2005-07-12 General Motors Corporation After-treatment system and method for reducing emissions in diesel engine exhaust
US6931839B2 (en) * 2002-11-25 2005-08-23 Delphi Technologies, Inc. Apparatus and method for reduced cold start emissions
JP3903977B2 (en) * 2003-10-17 2007-04-11 トヨタ自動車株式会社 Exhaust purification device for internal combustion engine and exhaust purification method for internal combustion engine

Also Published As

Publication number Publication date
BRPI0512250A (en) 2008-02-19
US20110120086A1 (en) 2011-05-26
MXPA06014739A (en) 2007-03-01

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)