DE69311832D1 - Verfahren zur Reduktion von Stickoxiden - Google Patents
Verfahren zur Reduktion von StickoxidenInfo
- Publication number
- DE69311832D1 DE69311832D1 DE69311832T DE69311832T DE69311832D1 DE 69311832 D1 DE69311832 D1 DE 69311832D1 DE 69311832 T DE69311832 T DE 69311832T DE 69311832 T DE69311832 T DE 69311832T DE 69311832 D1 DE69311832 D1 DE 69311832D1
- Authority
- DE
- Germany
- Prior art keywords
- reduction
- nitrogen oxides
- oxides
- nitrogen
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
- B01D53/326—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 by electrical effects other than those provided for in group B01D61/00 in electrochemical cells
-
- 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
-
- 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
- F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
-
- 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
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/806—Electrocatalytic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Electrochemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12131192 | 1992-04-14 | ||
JP5090773A JPH06277448A (ja) | 1993-03-24 | 1993-03-24 | 窒素酸化物の除去方法 |
JP09077293A JP3389631B2 (ja) | 1992-04-14 | 1993-03-24 | 窒素酸化物の除去方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69311832D1 true DE69311832D1 (de) | 1997-08-07 |
DE69311832T2 DE69311832T2 (de) | 1997-10-16 |
Family
ID=27306537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69311832T Expired - Fee Related DE69311832T2 (de) | 1992-04-14 | 1993-04-14 | Verfahren zur Reduktion von Stickoxiden |
Country Status (3)
Country | Link |
---|---|
US (1) | US5352337A (de) |
EP (1) | EP0566071B1 (de) |
DE (1) | DE69311832T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4342297C2 (de) * | 1993-12-11 | 1998-01-29 | Daimler Benz Ag | Verfahren und Vorrichtung zur Verminderung der im Abgas von Verbrennungsanlagen enthaltenen Stickoxidanteile |
DE4446280C2 (de) * | 1994-12-23 | 1998-02-19 | Daimler Benz Ag | Verfahren und eine Katalysatoreinheit zur Reduktion von Schadstoffen, insbesondere zur Reduktion von Stickoxiden in Abgasen von Verbrennungskraftmaschinen |
DE19547921C2 (de) * | 1995-01-13 | 1998-09-24 | Dornier Gmbh | Verfahren und Vorrichtung zur katalytischen NO-Reduzierung von Kfz-Abgasen |
US5860359A (en) * | 1995-03-16 | 1999-01-19 | Matsushita Electric Industrial Co., Ltd. | Gas-permselective gas pump and warmer for using same |
DE19713633C1 (de) * | 1997-04-02 | 1999-01-28 | Dornier Gmbh | Verfahren zur NO-Entfernung aus motorischen Abgasen |
JPH11172108A (ja) * | 1997-12-12 | 1999-06-29 | Shin Etsu Chem Co Ltd | 導電性フッ素樹脂組成物 |
JP2002517665A (ja) | 1998-06-11 | 2002-06-18 | ユニヴァーシティー オブ ダンディー | 窒素酸化物分解のための装置及び方法 |
JP3657542B2 (ja) * | 2001-07-24 | 2005-06-08 | 独立行政法人産業技術総合研究所 | 化学反応器 |
JP4217457B2 (ja) * | 2002-10-23 | 2009-02-04 | 三菱電機株式会社 | 窒素酸化物分解素子およびこれを備えた窒素酸化物分解装置 |
US20060084830A1 (en) * | 2004-10-20 | 2006-04-20 | Catalytic Distillation Technologies | Selective hydrogenation process and catalyst |
FR2879478B1 (fr) * | 2004-12-17 | 2007-10-26 | Inst Francais Du Petrole | Catalyseur a base de cobalt pour la synthese fisher-tropsch |
US7846595B2 (en) * | 2006-02-14 | 2010-12-07 | Ford Global Technologies, Llc | System and method to operate a fuel cell in the exhaust of an internal combustion engine |
GB0606053D0 (en) * | 2006-03-27 | 2006-05-03 | Boc Group Plc | Solid-state gas purifier |
JP2007292010A (ja) * | 2006-04-27 | 2007-11-08 | Toyota Motor Corp | 内燃機関から排気される窒素酸化物を含む排気ガスの浄化 |
DE102007062249A1 (de) * | 2007-12-21 | 2009-06-25 | Robert Bosch Gmbh | Katalysator zur Behandlung von Verbrennungsabgasen |
FR2939696B1 (fr) * | 2008-12-17 | 2015-12-04 | Saint Gobain Ct Recherches | Structure de purification incorporant un systeme de catalyse electrochimique polarise |
JP6881279B2 (ja) | 2017-12-26 | 2021-06-02 | トヨタ自動車株式会社 | 電気化学リアクタ及び電気化学リアクタを備えた内燃機関 |
JP7099331B2 (ja) | 2019-01-08 | 2022-07-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
CN111841277A (zh) * | 2020-07-14 | 2020-10-30 | 南京工程学院 | 以水蒸气为反应载体的电化学管式脱硝反应器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2654974A1 (de) * | 1975-12-04 | 1977-06-16 | Oval Eng Co Ltd | Verfahren und vorrichtung zur reinigung von abgas |
US4253925A (en) * | 1979-10-22 | 1981-03-03 | The Board Of Trustees Of The Leland Stanford Junior University | Method and apparatus for catalytic dissociation of NO |
DE3644090A1 (de) * | 1986-12-23 | 1988-07-07 | Bbc Brown Boveri & Cie | Verfahren und vorrichtung zum reinigen von abgasen |
JP2997033B2 (ja) * | 1990-11-22 | 2000-01-11 | 株式会社豊田中央研究所 | 窒素酸化物の除去方法 |
-
1993
- 1993-04-14 US US08/045,692 patent/US5352337A/en not_active Expired - Fee Related
- 1993-04-14 EP EP93106027A patent/EP0566071B1/de not_active Expired - Lifetime
- 1993-04-14 DE DE69311832T patent/DE69311832T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69311832T2 (de) | 1997-10-16 |
US5352337A (en) | 1994-10-04 |
EP0566071B1 (de) | 1997-07-02 |
EP0566071A1 (de) | 1993-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |