JP2008163871A - 内燃機関の排気ガス浄化装置 - Google Patents
内燃機関の排気ガス浄化装置 Download PDFInfo
- Publication number
- JP2008163871A JP2008163871A JP2006355587A JP2006355587A JP2008163871A JP 2008163871 A JP2008163871 A JP 2008163871A JP 2006355587 A JP2006355587 A JP 2006355587A JP 2006355587 A JP2006355587 A JP 2006355587A JP 2008163871 A JP2008163871 A JP 2008163871A
- Authority
- JP
- Japan
- Prior art keywords
- nox
- exhaust gas
- catalyst
- ozone
- layer
- 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.)
- Pending
Links
Images
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
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
-
- 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
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
-
- 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
- B01D2255/20—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
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9022—Two layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/38—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an ozone (O3) generator, e.g. for adding ozone after generation of ozone from air
-
- 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)
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006355587A JP2008163871A (ja) | 2006-12-28 | 2006-12-28 | 内燃機関の排気ガス浄化装置 |
DE112007003166T DE112007003166T5 (de) | 2006-12-28 | 2007-12-20 | Auslassemissionssteuerapparat für Verbrennungsmotor |
PCT/JP2007/074533 WO2008081735A1 (ja) | 2006-12-28 | 2007-12-20 | 内燃機関の排気ガス浄化装置 |
CNA2007800487701A CN101573514A (zh) | 2006-12-28 | 2007-12-20 | 内燃机的废气净化装置 |
US12/520,555 US20100043406A1 (en) | 2006-12-28 | 2007-12-20 | Exhaust emission control apparatus for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006355587A JP2008163871A (ja) | 2006-12-28 | 2006-12-28 | 内燃機関の排気ガス浄化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008163871A true JP2008163871A (ja) | 2008-07-17 |
Family
ID=39588419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006355587A Pending JP2008163871A (ja) | 2006-12-28 | 2006-12-28 | 内燃機関の排気ガス浄化装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100043406A1 (de) |
JP (1) | JP2008163871A (de) |
CN (1) | CN101573514A (de) |
DE (1) | DE112007003166T5 (de) |
WO (1) | WO2008081735A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101094672B1 (ko) * | 2009-03-17 | 2011-12-20 | 한국과학기술연구원 | 오존과 촉매 하이브리드 시스템을 이용한 질소산화물의 처리방법 및 처리장치 |
JP4780230B2 (ja) * | 2009-06-05 | 2011-09-28 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US20110120105A1 (en) * | 2009-11-24 | 2011-05-26 | Wen-Lo Chen | Engine waste gas treatment method and apparatus |
CN105927343B (zh) * | 2016-06-07 | 2018-12-21 | 灵武市伟畅机械科技有限公司 | 一种内燃机排气装置 |
WO2020083171A1 (zh) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | 一种发动机尾气臭氧净化系统和方法 |
US11573155B2 (en) * | 2019-12-05 | 2023-02-07 | Southwest Research Institute | Generation of nitrogen dioxide for use with burner-based exhaust replication system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0616818B2 (ja) * | 1990-03-23 | 1994-03-09 | 川崎重工業株式会社 | 排ガス浄化方法及び装置 |
JP2002089246A (ja) * | 2000-09-20 | 2002-03-27 | Hitachi Ltd | 内燃機関の排ガス浄化方法および排ガス浄化装置 |
JP2005344518A (ja) * | 2004-05-31 | 2005-12-15 | Mitsubishi Motors Corp | 内燃機関の排気浄化システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05192535A (ja) | 1992-01-22 | 1993-08-03 | Kawasaki Heavy Ind Ltd | 排ガスの浄化方法及び装置 |
JP3311051B2 (ja) | 1992-12-16 | 2002-08-05 | 日本碍子株式会社 | 排気ガス浄化方法及び装置 |
JPH10169434A (ja) | 1996-12-09 | 1998-06-23 | Ngk Insulators Ltd | 排ガス浄化方法及びそれに用いる排ガス浄化システム |
JP3551346B2 (ja) | 1996-12-19 | 2004-08-04 | トヨタ自動車株式会社 | 排ガス浄化装置 |
JP3741303B2 (ja) * | 1997-12-08 | 2006-02-01 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
US6162409A (en) * | 1999-03-15 | 2000-12-19 | Arthur P. Skelley | Process for removing Nox and Sox from exhaust gas |
US6761863B2 (en) * | 2002-01-29 | 2004-07-13 | The Boc Group, Inc. | Process for the removal of impurities from gas streams |
IL166717A0 (en) | 2002-08-26 | 2006-01-15 | Computer Ass Think Inc | Web services apparatus and methods |
-
2006
- 2006-12-28 JP JP2006355587A patent/JP2008163871A/ja active Pending
-
2007
- 2007-12-20 DE DE112007003166T patent/DE112007003166T5/de not_active Withdrawn
- 2007-12-20 US US12/520,555 patent/US20100043406A1/en not_active Abandoned
- 2007-12-20 WO PCT/JP2007/074533 patent/WO2008081735A1/ja active Search and Examination
- 2007-12-20 CN CNA2007800487701A patent/CN101573514A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0616818B2 (ja) * | 1990-03-23 | 1994-03-09 | 川崎重工業株式会社 | 排ガス浄化方法及び装置 |
JP2002089246A (ja) * | 2000-09-20 | 2002-03-27 | Hitachi Ltd | 内燃機関の排ガス浄化方法および排ガス浄化装置 |
JP2005344518A (ja) * | 2004-05-31 | 2005-12-15 | Mitsubishi Motors Corp | 内燃機関の排気浄化システム |
Also Published As
Publication number | Publication date |
---|---|
CN101573514A (zh) | 2009-11-04 |
WO2008081735A1 (ja) | 2008-07-10 |
US20100043406A1 (en) | 2010-02-25 |
DE112007003166T5 (de) | 2009-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100112 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100706 |