JP2017512279A - 排気ガス再循環回路にn2o触媒を有する排気システム - Google Patents
排気ガス再循環回路にn2o触媒を有する排気システム Download PDFInfo
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- JP2017512279A JP2017512279A JP2016554330A JP2016554330A JP2017512279A JP 2017512279 A JP2017512279 A JP 2017512279A JP 2016554330 A JP2016554330 A JP 2016554330A JP 2016554330 A JP2016554330 A JP 2016554330A JP 2017512279 A JP2017512279 A JP 2017512279A
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- catalyst
- exhaust system
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- 230000003647 oxidation Effects 0.000 claims description 23
- 238000007254 oxidation reaction Methods 0.000 claims description 23
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
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- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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
-
- 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
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- 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
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- 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
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- 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
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
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- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Organic Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
が含まれる。
Claims (12)
- 内燃エンジンのための排気システムであって、微粒子フィルタ、一又は複数のNOx還元触媒、並びに、前記フィルタと前記一又は複数のNOx還元触媒の下流で、前記排気システムを前記エンジンの吸気口に連結するための、低圧排気ガス再循環(EGR)回路を備え、前記EGR回路はN2O生成触媒を含む、排気システム。
- NOx還元触媒又は前記一又は複数のNOx還元触媒が、前記フィルタに位置づけされている、請求項1に記載の排気システム。
- NOx還元触媒又は前記一又は複数のNOx還元触媒が、選択的触媒還元触媒である、請求項1に記載の排気システム。
- 前記選択的触媒還元触媒が、遷移金属及びモレキュラーシーブを含む、請求項3に記載の排気システム。
- 前記選択的触媒還元触媒の上流で、前記排気システムに窒素還元剤を導入するための手段を更に備える、請求項3又は4に記載の排気システム。
- 前記窒素還元剤は、アンモニア、ヒドラジン、又は尿素((NH2)2CO)、炭酸アンモニウム、カルバミン酸アンモニウム、炭酸水素アンモニウム、及びギ酸アンモニウムからなる群から選択されるアンモニア前駆体である、請求項5に記載の排気システム。
- NOx還元触媒又は前記一又は複数のNOx還元触媒は、リーンNOxトラップである、請求項1から6のいずれか一項に記載の排気システム。
- N2O生成触媒が、無機オキシドに担持されているマンガンを含む、請求項1から7のいずれか一項に記載の排気システム。
- N2O生成触媒が、フロースルーモノリス基体に、又はフロースルーモノリス基体上に位置づけされている、請求項1から8のいずれか一項に記載の排気システム。
- 微粒子フィルタの上流に位置づけされているNO酸化触媒を更に含む、請求項1から9のいずれか一項に記載の排気システム。
- 前記システムを通って流れる排気ガスの方向に対して、前記一又は複数のNOx還元触媒の下流、及び前記EGRの上流に配置されたアンモニア酸化触媒を更に含む、請求項1から10のいずれか一項に記載の排気システム。
- NOx還元触媒及び前記アンモニア酸化触媒が同じ基体上に積まれ、前部に前記NOx還元触媒が積まれ、後部に前記アンモニア酸化触媒が積まれる、請求項11に記載の排気システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201461945444P | 2014-02-27 | 2014-02-27 | |
US61/945,444 | 2014-02-27 | ||
PCT/GB2015/050567 WO2015128662A1 (en) | 2014-02-27 | 2015-02-27 | Exhaust system having n2o catalyst in egr circuit |
Publications (1)
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JP2017512279A true JP2017512279A (ja) | 2017-05-18 |
Family
ID=52686399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016554330A Ceased JP2017512279A (ja) | 2014-02-27 | 2015-02-27 | 排気ガス再循環回路にn2o触媒を有する排気システム |
Country Status (8)
Country | Link |
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US (1) | US9587591B2 (ja) |
EP (1) | EP3120008B1 (ja) |
JP (1) | JP2017512279A (ja) |
KR (1) | KR20160128354A (ja) |
CN (1) | CN106414983B (ja) |
GB (1) | GB2525721B (ja) |
RU (1) | RU2675182C2 (ja) |
WO (1) | WO2015128662A1 (ja) |
Cited By (2)
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WO2019045324A1 (en) * | 2017-08-28 | 2019-03-07 | Heesung Catalysts Corporation | NOX TRAPPING CATALYST HAVING NON-PLATINUM GROUP METAL NOx TRAP LAYER |
JP2020090949A (ja) * | 2018-12-07 | 2020-06-11 | 国立研究開発法人産業技術総合研究所 | 燃焼システム |
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DE102011111590A1 (de) * | 2011-08-25 | 2013-02-28 | Volkswagen Aktiengesellschaft | Abgasbehandlungseinrichtung, Verfahren zur Aufbereitung von Abgas und Kraftfahrzeug |
GB2546488B (en) * | 2016-01-19 | 2020-05-13 | Ford Global Tech Llc | An engine exhaust gas recirculation system with at least one exhaust recirculation treatment device |
DE102016207193A1 (de) * | 2016-04-27 | 2017-11-02 | Continental Automotive Gmbh | Abgasnachbehandlungsvorrichtung |
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- 2015-02-27 CN CN201580011052.1A patent/CN106414983B/zh not_active Expired - Fee Related
- 2015-02-27 KR KR1020167026594A patent/KR20160128354A/ko unknown
- 2015-02-27 GB GB1503283.2A patent/GB2525721B/en active Active
- 2015-02-27 WO PCT/GB2015/050567 patent/WO2015128662A1/en active Application Filing
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- 2015-02-27 RU RU2016138134A patent/RU2675182C2/ru not_active IP Right Cessation
- 2015-02-27 JP JP2016554330A patent/JP2017512279A/ja not_active Ceased
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Also Published As
Publication number | Publication date |
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GB2525721A (en) | 2015-11-04 |
EP3120008A1 (en) | 2017-01-25 |
RU2675182C2 (ru) | 2018-12-17 |
GB2525721B (en) | 2016-12-28 |
EP3120008B1 (en) | 2018-07-25 |
KR20160128354A (ko) | 2016-11-07 |
WO2015128662A1 (en) | 2015-09-03 |
RU2016138134A (ru) | 2018-03-30 |
US9587591B2 (en) | 2017-03-07 |
CN106414983B (zh) | 2018-12-28 |
GB201503283D0 (en) | 2015-04-15 |
CN106414983A (zh) | 2017-02-15 |
US20150240752A1 (en) | 2015-08-27 |
RU2016138134A3 (ja) | 2018-10-17 |
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