JP5552488B2 - Scr触媒コンバータとその上流側に取付けられた酸化触媒作用のある排ガス浄化コンポーネントを備えた排ガス浄化装置を作動させるための方法 - Google Patents
Scr触媒コンバータとその上流側に取付けられた酸化触媒作用のある排ガス浄化コンポーネントを備えた排ガス浄化装置を作動させるための方法 Download PDFInfo
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- JP5552488B2 JP5552488B2 JP2011528208A JP2011528208A JP5552488B2 JP 5552488 B2 JP5552488 B2 JP 5552488B2 JP 2011528208 A JP2011528208 A JP 2011528208A JP 2011528208 A JP2011528208 A JP 2011528208A JP 5552488 B2 JP5552488 B2 JP 5552488B2
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- 230000003197 catalytic effect Effects 0.000 title claims description 113
- 230000003647 oxidation Effects 0.000 title claims description 94
- 238000007254 oxidation reaction Methods 0.000 title claims description 94
- 238000000746 purification Methods 0.000 title claims description 72
- 238000000034 method Methods 0.000 title claims description 24
- 238000011144 upstream manufacturing Methods 0.000 title claims description 21
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 178
- 239000007789 gas Substances 0.000 claims description 148
- 229930195733 hydrocarbon Natural products 0.000 claims description 42
- 150000002430 hydrocarbons Chemical class 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 40
- 230000006866 deterioration Effects 0.000 claims description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 238000006555 catalytic reaction Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 13
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
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- 238000006731 degradation reaction Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 15
- 239000003054 catalyst Substances 0.000 description 12
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- 125000001183 hydrocarbyl group Chemical group 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 8
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- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
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- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
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- 238000011156 evaluation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 239000010457 zeolite Substances 0.000 description 2
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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Classifications
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- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- 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
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- 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
- F01N3/2066—Selective catalytic reduction [SCR]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
- F01N2430/085—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing at least a part of the injection taking place during expansion or exhaust stroke
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- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/023—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting HC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust 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
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
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- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
Description
Claims (4)
- 車両内燃機関(1)の排ガス浄化装置を作動させるための方法において、該車両内燃機関の排ガス通路(2)に酸化触媒作用のある排ガス浄化コンポーネント(3)がSCR触媒コンバータ(5)の上流に配置されており、前記酸化触媒作用のある排ガス浄化コンポーネント(3)の劣化状態を、該酸化触媒作用のある排ガス浄化コンポーネント(3)の上流側で排ガス中に設定される炭化水素量と、同時に検知される前記SCR触媒コンバータ(5)の窒素酸化物変換量との相関関係によって決定し、
前記酸化触媒作用のある排ガス浄化コンポーネント(3)の上流側で排ガス中の炭化水素量が調整され、あらかじめ設定可能な窒素酸化物変換量を下回る量に割り当てられている炭化水素量が、劣化状態の決定の基準として使用されることを特徴とする、方法。 - 車両内燃機関(1)の排ガス浄化装置を作動させるための方法において、該車両内燃機関の排ガス通路(2)に酸化触媒作用のある排ガス浄化コンポーネント(3)がSCR触媒コンバータ(5)の上流に配置されており、前記酸化触媒作用のある排ガス浄化コンポーネント(3)の劣化状態を、該酸化触媒作用のある排ガス浄化コンポーネント(3)の上流側で排ガス中に設定される炭化水素量と、同時に検知される前記SCR触媒コンバータ(5)の窒素酸化物変換量との相関関係によって決定し、
SCR触媒コンバータ(5)にアンモニア又は尿素溶液が供給されている間に、SCR触媒コンバータ(5)の窒素酸化物変換量の決定のために、SCR触媒コンバータ(5)の下流に配置された窒素酸化物センサ(25)の信号と、測定技術によって得たか又は特性曲線に基づいて与えられたSCR触媒コンバータ(5)上流の窒素酸化物含有量とが評価されることを特徴とする、方法。 - 前記排ガス中の炭化水素量の調整が、前記酸化触媒作用のある排ガス浄化コンポーネント(3)の温度における1つの作動点で行われ、前記作動点は、該酸化触媒作用のある排ガス浄化コンポーネント(3)の劣化していない状態において触媒された一酸化窒素から二酸化窒素への酸化が、最大である温度を意味することを特徴とする、請求項1に記載の方法。
- 前記排ガス中の炭化水素量の調整が、180℃〜350℃の範囲のSCR触媒コンバータの温度における1つの作動点において行われることを特徴とする、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008049098A DE102008049098A1 (de) | 2008-09-26 | 2008-09-26 | Verfahren zum Betreiben einer Abgasreinigungsanlage mit einem SCR-Katalysator und einem vorgeschalteten oxidationskatalytisch wirksamen Abgasreinigungsbauteil |
DE102008049098.9 | 2008-09-26 | ||
PCT/EP2009/006437 WO2010034403A1 (de) | 2008-09-26 | 2009-09-04 | Verfahren zum betreiben einer abgasreinigungsanlage mit einem scr-katalysator und einem vorgeschalteten oxidationskatalytisch wirksamen abgasreinigungsbauteil |
Publications (3)
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DE102011102008A1 (de) * | 2011-05-19 | 2012-11-22 | Man Truck & Bus Ag | Verfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit, insbesondere der Oxidationsfähigkeit, eines in der Abgasleitung einer mit Luftüberschuss betriebenen Brennkraftmaschine verbauten NO-Oxidationskatalysators |
FR2981120B1 (fr) * | 2011-10-07 | 2013-12-20 | Peugeot Citroen Automobiles Sa | Procede de simulation d'un etat de vieillissement d'une ligne d'echappement d'un vehicule automobile comprenant un organe de traitement des oxydes d'azote alimente par de l'ammoniac gazeux |
EP2767819A4 (en) * | 2011-10-12 | 2015-09-16 | Horiba Ltd | APPARATUS FOR GAS ANALYSIS |
FR2981402B1 (fr) * | 2011-10-18 | 2013-12-27 | Peugeot Citroen Automobiles Sa | Procede de simulation d'un etat de vieillissement d'une ligne d'echappement d'un vehicule automobile comprenant un organe de traitement des oxydes d'azote alimente par de l'uree |
DE102011055166A1 (de) * | 2011-11-09 | 2013-05-16 | Fev Gmbh | Verfahren zur Ermittlung des in einer katalytischen Abgasnachbehandlungseinrichtung erzeugten NO2-Anteils |
JP5699922B2 (ja) * | 2011-12-12 | 2015-04-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP5752067B2 (ja) * | 2012-02-14 | 2015-07-22 | 株式会社堀場製作所 | 排ガスサンプリング装置 |
CN109184860B (zh) * | 2012-04-27 | 2020-12-22 | 优美科两合公司 | 用于净化来自内燃机的废气的方法和*** |
DE102012012016A1 (de) * | 2012-06-16 | 2013-12-19 | Daimler Ag | Verfahren zum Betreiben einer Abgasanlage eines Kraftwagens sowie Abgasanlage für eine Verbrennungskraftmaschine eines Kraftwagens |
US9109480B2 (en) * | 2012-11-29 | 2015-08-18 | GM Global Technology Operations LLC | Method and system for initiating an engine after-run state and controlling a nitrogen oxide sensor self-diagnostic tool |
RU2532074C2 (ru) * | 2012-12-07 | 2014-10-27 | Михаил Игоревич Колпаков | Способ оценки работоспособности каталитического нейтрализатора отработавших газов двигателя внутреннего сгорания с принудительным зажиганием |
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DE102013209481B4 (de) * | 2013-05-22 | 2014-12-04 | Mtu Friedrichshafen Gmbh | Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung |
US8920757B1 (en) * | 2013-10-24 | 2014-12-30 | Cummins Emission Solutions Inc. | Reductant dosing control systems and methods |
US9010087B1 (en) * | 2013-11-13 | 2015-04-21 | Ford Global Technologies, Llc | Method and system for NOx sensor degradation |
US9790878B2 (en) * | 2014-01-17 | 2017-10-17 | Ford Global Technologies, Llc | One dimensional three way catalyst model for control and diagnostics |
DE102014203621B4 (de) * | 2014-02-27 | 2016-02-04 | Mtu Friedrichshafen Gmbh | Verfahren zur Ascheerkennung in einem Partikelfilter eines Abgasnachbehandlungssystems einer Brennkraftmaschine, Steuereinrichtung und Brennkraftmaschine |
CN104234802B (zh) * | 2014-07-14 | 2017-01-11 | 浙江大学 | 基于NOx反馈和储氨预测的SCR催化器老化判定方法 |
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DE102015002464A1 (de) * | 2015-02-27 | 2016-09-01 | Daimler Ag | Verfahren zur Diagnose einer Abgasnachbehandlungseinrichtung einer Verbrennungskraftmaschine |
JP6287968B2 (ja) * | 2015-06-19 | 2018-03-07 | トヨタ自動車株式会社 | 異常診断装置 |
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CN114233504B (zh) * | 2021-12-13 | 2023-11-17 | 潍柴动力股份有限公司 | 一种NOx的排放控制方法及装置 |
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JP4985849B2 (ja) * | 2009-03-31 | 2012-07-25 | トヨタ自動車株式会社 | 触媒劣化判定装置及び触媒劣化判定方法 |
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CN102165157B (zh) | 2014-11-05 |
DE102008049098A1 (de) | 2009-06-25 |
JP2012503734A (ja) | 2012-02-09 |
EP2326809B1 (de) | 2012-07-04 |
RU2011116117A (ru) | 2012-11-10 |
RU2493383C2 (ru) | 2013-09-20 |
WO2010034403A1 (de) | 2010-04-01 |
CN102165157A (zh) | 2011-08-24 |
US9038370B2 (en) | 2015-05-26 |
EP2326809A1 (de) | 2011-06-01 |
US20110167801A1 (en) | 2011-07-14 |
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