DE69311832D1 - Verfahren zur Reduktion von Stickoxiden - Google Patents

Verfahren zur Reduktion von Stickoxiden

Info

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
Application number
DE69311832T
Other languages
English (en)
Other versions
DE69311832T2 (de
Inventor
Tetsuro Kobayashi
Kazuo Kawahara
Katsushi Abe
Kiyoshi Yamazaki
Tomoko Iijima
Koji Yokota
Haruo Doi
Hiroyasu Iwahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 JP5090773A external-priority patent/JPH06277448A/ja
Priority claimed from JP09077293A external-priority patent/JP3389631B2/ja
Application filed by Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Application granted granted Critical
Publication of DE69311832D1 publication Critical patent/DE69311832D1/de
Publication of DE69311832T2 publication Critical patent/DE69311832T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69311832T 1992-04-14 1993-04-14 Verfahren zur Reduktion von Stickoxiden Expired - Fee Related DE69311832T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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