CA2865929A1 - Method and system for the removal of noxious compounds from engine exhaust gas - Google Patents

Method and system for the removal of noxious compounds from engine exhaust gas Download PDF

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Publication number
CA2865929A1
CA2865929A1 CA2865929A CA2865929A CA2865929A1 CA 2865929 A1 CA2865929 A1 CA 2865929A1 CA 2865929 A CA2865929 A CA 2865929A CA 2865929 A CA2865929 A CA 2865929A CA 2865929 A1 CA2865929 A1 CA 2865929A1
Authority
CA
Canada
Prior art keywords
exhaust gas
ammonia
catalyst
oxidation
particulate filter
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.)
Abandoned
Application number
CA2865929A
Other languages
English (en)
French (fr)
Inventor
Keld Johansen
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.)
Umicore AG and Co KG
Original Assignee
Haldor Topsoe AS
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 Haldor Topsoe AS filed Critical Haldor Topsoe AS
Publication of CA2865929A1 publication Critical patent/CA2865929A1/en
Abandoned 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
    • F01N3/02—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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • 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
    • 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
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • 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
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary 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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • 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
    • B01D2255/20707—Titanium
    • 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
    • B01D2255/20723—Vanadium
    • 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
    • B01D2255/20738—Iron
    • 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
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/915—Catalyst supported on particulate filters
    • B01D2255/9155—Wall flow filters
    • 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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01D53/944—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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1404—Exhaust gas temperature
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA2865929A 2012-03-02 2012-09-21 Method and system for the removal of noxious compounds from engine exhaust gas Abandoned CA2865929A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201200169 2012-03-02
DKPA201200169 2012-03-02
PCT/EP2012/068623 WO2013127473A1 (en) 2012-03-02 2012-09-21 Method and system for the removal of noxious compounds from engine exhaust gas

Publications (1)

Publication Number Publication Date
CA2865929A1 true CA2865929A1 (en) 2013-09-06

Family

ID=47018977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2865929A Abandoned CA2865929A1 (en) 2012-03-02 2012-09-21 Method and system for the removal of noxious compounds from engine exhaust gas

Country Status (9)

Country Link
US (1) US20150020506A1 (enExample)
EP (1) EP2819769B1 (enExample)
JP (1) JP6129215B2 (enExample)
KR (1) KR20140143145A (enExample)
AR (1) AR090213A1 (enExample)
CA (1) CA2865929A1 (enExample)
CL (1) CL2014002323A1 (enExample)
EA (1) EA027298B1 (enExample)
WO (1) WO2013127473A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150192045A1 (en) * 2012-06-19 2015-07-09 Renault S.A.S. Exhaust gas treatment system comprising a catalytic particulate filter, and corresponding method

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HUE056106T2 (hu) * 2011-11-22 2022-01-28 Deutz Ag Berendezés és eljárás dízelmotor-kipufogógázok tisztítására
WO2015034365A1 (en) 2013-09-09 2015-03-12 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Process for heterogeneous gas phase reactions and apparatus for carrying out said process
EP3081284B1 (en) * 2013-12-09 2019-04-10 Cataler Corporation Exhaust gas purification apparatus
RU2677024C2 (ru) 2014-02-28 2019-01-15 Сканиа Св Аб Система обработки выхлопных газов и способ обработки потока выхлопных газов
US20160032801A1 (en) * 2014-07-31 2016-02-04 Caterpillar Inc. Aftertreatment system having multiple dosing circuits
CA2954013A1 (en) * 2014-08-25 2016-03-03 Haldor Topsoe A/S Method and system for the removal of particulate matter and heavy metals from engine exhaust gas
AT14862U1 (de) * 2014-11-19 2016-07-15 Avl List Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
FR3029800B1 (fr) * 2014-12-11 2016-12-16 Ifp Energies Now Produit pour la depollution des gaz d'echappement, notamment de moteur a combustion interne, et procede de depollution des gaz d'echappement utilisant ce produit.
EP4464403A1 (en) * 2015-03-19 2024-11-20 BASF Corporation Filter catalyzed with scr catalyst, systems and methods
SE539803C2 (en) 2015-06-05 2017-12-05 Scania Cv Ab A method and a system for determining a composition of a gas mix in a vehicle
SE539134C2 (sv) 2015-08-27 2017-04-11 Scania Cv Ab Avgasbehandlingssystem och förfarande för behandling av en avgasström
SE539133C2 (sv) 2015-08-27 2017-04-11 Scania Cv Ab Avgasbehandlingssystem och förfarande för behandling av en avgasström
SE539131C2 (sv) 2015-08-27 2017-04-11 Scania Cv Ab Förfarande och avgasbehandlingssystem för behandling av en avgasström
EP3341596B1 (en) * 2015-08-27 2021-07-28 Scania CV AB Method and exhaust treatment system for treatment of an exhaust gas stream
SE539129C2 (en) 2015-08-27 2017-04-11 Scania Cv Ab Process and system for processing a single stream combustion exhaust stream
SE539130C2 (sv) 2015-08-27 2017-04-11 Scania Cv Ab Förfarande och avgasbehandlingssystem för behandling av en avgasström
DK3607178T3 (da) * 2017-04-06 2021-03-15 Umicore Ag & Co Kg Fremgangsmåde og system til fjernelse af skadelige forbindelser fra motorudstødningsgas
US10767532B2 (en) 2018-06-13 2020-09-08 Deere & Company Exhaust gas treatment system and method having improved low temperature performance
EP3581772B1 (en) * 2018-06-13 2021-12-01 Deere & Company Exhaust gas treatment system and method having improved low temperature performance
US10718245B2 (en) 2018-06-13 2020-07-21 Deere & Company Exhaust gas treatment system and method having improved low temperature performance
SE543882C2 (en) * 2020-01-23 2021-09-14 Scania Cv Ab Method for adaption of an exhaust treatment system
CN114575978A (zh) * 2021-02-18 2022-06-03 长城汽车股份有限公司 一种处理含氮氧化物气体的系统及方法

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DE10128414A1 (de) * 2001-06-12 2002-12-19 Daimler Chrysler Ag Abgasreinigungsanlage mit Reduktionsmittelversorgung
EP1458960B1 (en) * 2001-12-20 2011-02-09 Johnson Matthey Public Limited Company Improvements in selective catalytic reduction
DE10308288B4 (de) * 2003-02-26 2006-09-28 Umicore Ag & Co. Kg Verfahren zur Entfernung von Stickoxiden aus dem Abgas eines mager betriebenen Verbrennungsmotors und Abgasreinigungsanlage hierzu
DE10324013A1 (de) * 2003-05-27 2004-12-16 Robert Bosch Gmbh Vorrichtung zur Reinigung des Abgases einer Brennkraftmaschine und Verfahren hierzu
EP1778586B1 (en) 2004-08-03 2017-04-05 Amminex Emissions Technology A/S A solid ammonia storage and delivery material
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
WO2007145548A1 (en) * 2006-06-13 2007-12-21 Volvo Lastvagnar Ab Diesel catalyst system
JP4702310B2 (ja) * 2007-03-19 2011-06-15 トヨタ自動車株式会社 圧縮着火式内燃機関の排気浄化装置
US20100077739A1 (en) * 2008-09-30 2010-04-01 Rodman Anthony C Exhaust system implementing dual stage SCR
JP2010159693A (ja) * 2009-01-08 2010-07-22 Toyota Motor Corp 内燃機関の排気浄化装置
JP2011196310A (ja) * 2010-03-23 2011-10-06 Mazda Motor Corp 排気浄化方法及び排気浄化装置
US9528413B2 (en) * 2010-07-30 2016-12-27 Ford Global Technologies, Llc Synergistic SCR/DOC configurations for lowering diesel emissions
JP5874968B2 (ja) * 2011-12-21 2016-03-02 三菱自動車工業株式会社 内燃機関の排ガス浄化装置
WO2013095214A1 (en) * 2011-12-23 2013-06-27 Volvo Lastvagnar Ab Exhaust aftertreatment system and method for operating the system
GB201213443D0 (en) * 2012-07-27 2012-09-12 Perkins Engines Co Ltd Apparatus and method for exhaust gas after treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150192045A1 (en) * 2012-06-19 2015-07-09 Renault S.A.S. Exhaust gas treatment system comprising a catalytic particulate filter, and corresponding method
US9416706B2 (en) * 2012-06-19 2016-08-16 Renault S.A.S. Exhaust gas treatment system comprising a catalytic particulate filter, and corresponding method

Also Published As

Publication number Publication date
JP6129215B2 (ja) 2017-05-17
KR20140143145A (ko) 2014-12-15
WO2013127473A1 (en) 2013-09-06
EP2819769A1 (en) 2015-01-07
EA201491619A1 (ru) 2015-02-27
US20150020506A1 (en) 2015-01-22
AR090213A1 (es) 2014-10-29
CN104136099A (zh) 2014-11-05
EP2819769B1 (en) 2017-11-22
JP2015513634A (ja) 2015-05-14
EA027298B1 (ru) 2017-07-31
CL2014002323A1 (es) 2014-12-19

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