PT2681422E - Método de diagnóstico de um catalisador de oxidação por eterminação do nível de óxidos de azoto a jusante de um omponente de redução catalítica selectiva - Google Patents

Método de diagnóstico de um catalisador de oxidação por eterminação do nível de óxidos de azoto a jusante de um omponente de redução catalítica selectiva Download PDF

Info

Publication number
PT2681422E
PT2681422E PT127099323T PT12709932T PT2681422E PT 2681422 E PT2681422 E PT 2681422E PT 127099323 T PT127099323 T PT 127099323T PT 12709932 T PT12709932 T PT 12709932T PT 2681422 E PT2681422 E PT 2681422E
Authority
PT
Portugal
Prior art keywords
measuring
level
oxidation catalyst
nitrogen oxides
catalytic reduction
Prior art date
Application number
PT127099323T
Other languages
English (en)
Inventor
Mathilde Leonardon
Magali Derenne
Thomas Le Tallec
Pierre Henri Maesse
Christophe Chaillou
Original Assignee
Peugeot Citroen Automobiles Sa
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 FR1151676A external-priority patent/FR2972222B1/fr
Priority claimed from FR1151675A external-priority patent/FR2972221B1/fr
Application filed by Peugeot Citroen Automobiles Sa filed Critical Peugeot Citroen Automobiles Sa
Publication of PT2681422E publication Critical patent/PT2681422E/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/002Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F01N11/005Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/105General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106Auxiliary oxidation catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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
    • F01N3/206Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066Selective catalytic reduction [SCR]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N9/00Electrical control of exhaust gas treating apparatus
    • F01N9/005Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02Catalytic activity of catalytic converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/022Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting CO or CO2
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/023Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting HC
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/025Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/08Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402Exhaust gas composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1404Exhaust gas temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1631Heat amount provided to exhaust apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
PT127099323T 2011-03-02 2012-02-17 Método de diagnóstico de um catalisador de oxidação por eterminação do nível de óxidos de azoto a jusante de um omponente de redução catalítica selectiva PT2681422E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1151676A FR2972222B1 (fr) 2011-03-02 2011-03-02 Procede de diagnostic d'un catalyseur d'oxydation par mesure du taux d'oxydes d'azote en aval d'un organe de reduction catalytique selective et vehicule correspondant
FR1151675A FR2972221B1 (fr) 2011-03-02 2011-03-02 Procede de diagnostic d'une ligne d'echappement par mesure du taux d'oxydes d'azote en aval d'un organe de reduction catalytique selective et vehicule correspondant

Publications (1)

Publication Number Publication Date
PT2681422E true PT2681422E (pt) 2015-07-31

Family

ID=45873169

Family Applications (1)

Application Number Title Priority Date Filing Date
PT127099323T PT2681422E (pt) 2011-03-02 2012-02-17 Método de diagnóstico de um catalisador de oxidação por eterminação do nível de óxidos de azoto a jusante de um omponente de redução catalítica selectiva

Country Status (6)

Country Link
EP (1) EP2681422B1 (pt)
CN (1) CN103502595B (pt)
ES (1) ES2539234T3 (pt)
PT (1) PT2681422E (pt)
RU (1) RU2585155C2 (pt)
WO (1) WO2012117183A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022944A1 (de) * 2012-11-24 2014-05-28 Daimler Ag Verfahren zum Überwachen der Bildung von Stickstoffdioxid an einem Oxidationskatalysator und Abgasanlage
US8966880B2 (en) * 2013-03-15 2015-03-03 Paccar Inc Systems and methods for determining the quantity of a combustion product in a vehicle exhaust
US9657627B2 (en) * 2013-05-30 2017-05-23 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis apparatus of exhaust gas purification apparatus
JP6163995B2 (ja) * 2013-09-18 2017-07-19 いすゞ自動車株式会社 診断装置
WO2016083691A1 (fr) * 2014-11-24 2016-06-02 Peugeot Citroen Automobiles Sa Procede de regeneration d'un filtre a particules et d'elimination de soufre d'un catalyseur d'oxydation accumulateur d'oxydes d'azote.
DE102016200017A1 (de) 2016-01-05 2017-07-06 Continental Automotive Gmbh Verfahren und Vorrichtung zur Bestimmung des Alterungszustandes eines Katalysators
DE102016205170A1 (de) * 2016-03-30 2017-10-05 Robert Bosch Gmbh Verfahren zur Überwachung eines Methanoxidationskatalysators und Abgasnachbehandlungseinrichtung
US10352223B2 (en) * 2017-09-07 2019-07-16 GM Global Technology Operations LLC Method for cold start emissions diagnostic
CN108930578B (zh) * 2018-06-27 2020-09-29 潍柴动力股份有限公司 Doc中毒的检测和保护方法
CN111335993B (zh) * 2020-03-26 2021-06-25 安徽华菱汽车有限公司 一种汽车及其模拟scr系统效率低的报错方法与系统
SE547706C2 (en) 2022-08-31 2025-11-11 Scania Cv Ab Method of Diagnosing a Combustion Engine Assembly, Control Arrangement, Combustion Engine Assembly, and Vehicle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1151676A (fr) 1955-07-22 1958-02-04 Ct Ricerche Metallurg Peinture protectrice à base de poudre de zinc
FR1151675A (fr) 1956-06-18 1958-02-04 Procédés de calandrage <<feuille à feuille>> pour papiers imprimés, machines correspondantes et produits en résultant
JP4631123B2 (ja) * 2000-03-16 2011-02-16 マツダ株式会社 エンジンの排気浄化装置
US7134273B2 (en) * 2002-09-04 2006-11-14 Ford Global Technologies, Llc Exhaust emission control and diagnostics
JP5121240B2 (ja) 2007-02-02 2013-01-16 ボッシュ株式会社 排気浄化システムの故障診断装置及び排気浄化システムの故障診断方法
JP5258319B2 (ja) 2008-02-15 2013-08-07 ボッシュ株式会社 酸化触媒の故障診断装置及び酸化触媒の故障診断方法、並びに内燃機関の排気浄化装置
CN101918686B (zh) * 2009-03-31 2012-12-26 丰田自动车株式会社 催化剂劣化判定装置及催化剂劣化判定方法

Also Published As

Publication number Publication date
RU2013144214A (ru) 2015-04-10
CN103502595A (zh) 2014-01-08
RU2585155C2 (ru) 2016-05-27
EP2681422B1 (fr) 2015-06-03
WO2012117183A1 (fr) 2012-09-07
CN103502595B (zh) 2016-03-23
EP2681422A1 (fr) 2014-01-08
ES2539234T3 (es) 2015-06-29

Similar Documents

Publication Publication Date Title
PT2681422E (pt) Método de diagnóstico de um catalisador de oxidação por eterminação do nível de óxidos de azoto a jusante de um omponente de redução catalítica selectiva
EP2831387A4 (en) METHOD FOR DIAGNOSIS OF A SELECTIVE CATALYST FOR CATALYTIC REDUCTION
EP2764917A4 (en) METHOD FOR REDUCING THE INCREASE IN THE SO2 OXIDATION RATIO OF A DISINTEGRATION CATALYST
GB2532133B (en) A system for treating exhaust gas generated by a combustion process comprising cerium-modified manganese OMS as catalysts for selective catalytic reduction
GB2508301B (en) Oxidation catalyst for treating the exhaust gas of a diesel engine
GB2470391B (en) Method for diagnosing a diesel oxidation catalyst
PL2611524T3 (pl) Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem
EP2813693A3 (en) Systems and methods for NOx sensor diagnostics
GB2497669B (en) Automotive catalytic aftertreatment system
ZA201306394B (en) Scr catalytic converter having improved hydrocarbon resistance
PL2827984T3 (pl) Hydrotermicznie stabilny katalizator nh3-scr niskotemperaturowej redukcji nox
SG11201500345WA (en) Catalytic reduction of nox with high activity catalysts
BR112013022321A2 (pt) catalisador de oxidação para purificação de gás exaurido
PT2714245T (pt) Método para aumento da vida útil e/ou da atividade catalítica de um catalisador scr
GB2494218B (en) Exhaust gas oxidation catalyst
FI20115252A0 (fi) Menetelmä moottorin käyttämiseksi, pakokaasujärjestelmä ja hapetuskatalysaattori
WO2013185900A8 (de) Verfahren zur verhinderung der kontamination eines scr-katalysators mit platin
EP2928600A4 (en) HETEROGEN CATALYSED CHEMICAL REDUCTION OF CARBON DIOXIDE
EP2885516A4 (en) CATALYST, KIT FOR MAINTAINING A CATALYST AND METHOD FOR MAINTAINING A CATALYST
ZA201404132B (en) Process for the catalytic removal of carbon dioxide,nox from exhaust gases
ZA201308828B (en) Complex oxide,method for producing same,and exhaust gas purification catalyst
SG11201500337YA (en) Catalytic reduction of nox with high activity catalysts with nh3 reductant
SG11201500341RA (en) Catalytic reduction of nox with high activity catalysts with propylene reductant
EP2612705A4 (en) CATALYST FOR SELECTIVE CATALYTIC REDUCTION WITH IMPROVED DURABILITY
PL2916949T3 (pl) Sposób wytwarzania katalizatora utleniania