KR101047191B1 - 질소 산화물의 환원을 위한 방법 및 장치 - Google Patents

질소 산화물의 환원을 위한 방법 및 장치 Download PDF

Info

Publication number
KR101047191B1
KR101047191B1 KR1020047020539A KR20047020539A KR101047191B1 KR 101047191 B1 KR101047191 B1 KR 101047191B1 KR 1020047020539 A KR1020047020539 A KR 1020047020539A KR 20047020539 A KR20047020539 A KR 20047020539A KR 101047191 B1 KR101047191 B1 KR 101047191B1
Authority
KR
South Korea
Prior art keywords
electro
gas
chemo
active material
chemical
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
KR1020047020539A
Other languages
English (en)
Korean (ko)
Other versions
KR20050023310A (ko
Inventor
존 씨. 데루이터
Original Assignee
이 아이 듀폰 디 네모아 앤드 캄파니
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
Application filed by 이 아이 듀폰 디 네모아 앤드 캄파니 filed Critical 이 아이 듀폰 디 네모아 앤드 캄파니
Publication of KR20050023310A publication Critical patent/KR20050023310A/ko
Application granted granted Critical
Publication of KR101047191B1 publication Critical patent/KR101047191B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01N3/10—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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8696—Controlling the catalytic process
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • 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
    • 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
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
KR1020047020539A 2002-06-19 2003-06-19 질소 산화물의 환원을 위한 방법 및 장치 Expired - Fee Related KR101047191B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38986602P 2002-06-19 2002-06-19
US60/389,866 2002-06-19
PCT/US2003/019438 WO2004027226A2 (en) 2002-06-19 2003-06-19 Method and apparatus for reducing a nitrogen oxide

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020117010283A Division KR20110054077A (ko) 2002-06-19 2003-06-19 질소 산화물의 환원을 위한 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20050023310A KR20050023310A (ko) 2005-03-09
KR101047191B1 true KR101047191B1 (ko) 2011-07-06

Family

ID=32030599

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020047020539A Expired - Fee Related KR101047191B1 (ko) 2002-06-19 2003-06-19 질소 산화물의 환원을 위한 방법 및 장치
KR1020117010283A Ceased KR20110054077A (ko) 2002-06-19 2003-06-19 질소 산화물의 환원을 위한 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020117010283A Ceased KR20110054077A (ko) 2002-06-19 2003-06-19 질소 산화물의 환원을 위한 방법 및 장치

Country Status (8)

Country Link
US (2) US20040126286A1 (enExample)
EP (1) EP1514014A2 (enExample)
JP (1) JP5118289B2 (enExample)
KR (2) KR101047191B1 (enExample)
CN (2) CN103191630A (enExample)
AU (2) AU2003291615A1 (enExample)
CA (1) CA2487562A1 (enExample)
WO (1) WO2004027226A2 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003087550A1 (en) * 2002-04-05 2003-10-23 E. I. Du Pont De Nemours And Company Method and apparatus for controlling a gas-emitting process and related devices
US7575931B2 (en) * 2002-06-19 2009-08-18 E.I. Du Pont De Nemours And Company Method and apparatus for reducing a nitrogen oxide, and control thereof
US7536232B2 (en) * 2004-08-27 2009-05-19 Alstom Technology Ltd Model predictive control of air pollution control processes
US7460958B2 (en) * 2004-10-07 2008-12-02 E.I. Du Pont De Nemours And Company Computer-implemented system and method for analyzing mixtures of gases
US20060208916A1 (en) * 2004-12-09 2006-09-21 Morris Patricia A Components for gas sensor device
CN101111680B (zh) 2005-04-08 2010-12-01 株式会社荏原制作所 真空泵自诊断方法、真空泵自诊断系统以及真空泵中央监控系统
US7743602B2 (en) * 2005-06-21 2010-06-29 Exxonmobil Research And Engineering Co. Reformer assisted lean NOx catalyst aftertreatment system and method
US7803338B2 (en) * 2005-06-21 2010-09-28 Exonmobil Research And Engineering Company Method and apparatus for combination catalyst for reduction of NOx in combustion products
US7485272B2 (en) * 2005-11-30 2009-02-03 Caterpillar Inc. Multi-stage system for selective catalytic reduction
US7805929B2 (en) * 2005-12-21 2010-10-05 Caterpillar Inc Selective catalytic reduction system
US8981264B2 (en) 2006-02-17 2015-03-17 Phillips & Temro Industries Inc. Solid state switch
US8003922B2 (en) * 2006-02-17 2011-08-23 Phillips & Temro Industries Inc. Solid state switch with over-temperature and over-current protection
US7765795B2 (en) * 2006-04-28 2010-08-03 Caterpillar Inc NOx control using a neural network
JP2010513025A (ja) * 2006-12-21 2010-04-30 ダウ グローバル テクノロジーズ インコーポレイティド 改善されたすすフィルター
DE102007016716B3 (de) * 2007-04-07 2008-05-15 Astrium Gmbh Verfahren zur Enttankung von Raumfahrzeugen
US8209963B2 (en) * 2008-05-20 2012-07-03 Caterpillar Inc. Integrated engine and exhaust after treatment system and method of operating same
GB0811090D0 (en) 2008-06-18 2008-08-13 Univ Sheffield Alloys
EP2301650B1 (en) * 2009-09-24 2016-11-02 Haldor Topsøe A/S Process and catalyst system for scr of nox
JP5738311B2 (ja) * 2009-12-02 2015-06-24 ザ・リサーチ・フアウンデーシヨン・オブ・ステイト・ユニバーシテイ・オブ・ニユーヨーク 強誘電性材料、混合酸化物、または酸化物多形の安定性の温度モジュレーションに基づく選択的ケモセンサー
US20130086917A1 (en) * 2011-10-06 2013-04-11 Ilya Aleksandrovich Slobodyanskiy Apparatus for head end direct air injection with enhanced mixing capabilities
JP5786961B2 (ja) * 2011-12-27 2015-09-30 トヨタ自動車株式会社 通電加熱式触媒装置及びその製造方法
US8906134B2 (en) * 2012-11-08 2014-12-09 GM Global Technology Operations LLC Engine-out soot flow rate prediction
JP5761161B2 (ja) * 2012-11-30 2015-08-12 トヨタ自動車株式会社 通電加熱式触媒装置及びその製造方法
CN103418228B (zh) * 2013-09-05 2015-10-14 杨盛林 智能型sncr脱硝系统
DE102015209987A1 (de) * 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
KR20160134023A (ko) * 2015-05-14 2016-11-23 재단법인 다차원 스마트 아이티 융합시스템 연구단 복합 환경 센서
GB201608643D0 (en) * 2016-05-17 2016-06-29 Thermo Fisher Scient Bremen Elemental analysis system and method
US10221817B2 (en) 2016-05-26 2019-03-05 Phillips & Temro Industries Inc. Intake air heating system for a vehicle
US10077745B2 (en) 2016-05-26 2018-09-18 Phillips & Temro Industries Inc. Intake air heating system for a vehicle
WO2018016170A1 (ja) * 2016-07-22 2018-01-25 シャープ株式会社 検出装置および検出装置の制御方法
CN108714360A (zh) * 2018-08-24 2018-10-30 重庆康明斯发动机有限公司 一种废气处理系统
CN108714370A (zh) * 2018-08-24 2018-10-30 重庆康明斯发动机有限公司 一种废气处理系统
CN114675625B (zh) * 2022-03-21 2024-11-19 潍柴动力股份有限公司 一种控制器控制方法及装置
CN116099529B (zh) * 2023-01-28 2024-09-17 中国科学院城市环境研究所 一种过渡金属改性的钒基催化剂及其制备方法和用途
KR102795675B1 (ko) 2023-12-29 2025-04-15 주식회사 마이크로원 필터백 필터 유닛의 내구성 및 NOx 제거 성능 평가를 위한 필터 시험 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0820799A2 (en) * 1996-07-25 1998-01-28 Ngk Insulators, Ltd. System for and method of removing NOx from exhaust gases

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007435A (en) * 1973-07-30 1977-02-08 Tien Tseng Ying Sensor device and method of manufacturing same
US4151503A (en) * 1977-10-05 1979-04-24 Ford Motor Company Temperature compensated resistive exhaust gas sensor construction
US4234542A (en) * 1979-01-29 1980-11-18 Bendix Autolite Corporation Thin coat temperature compensated resistance oxide gas sensor
US4225842A (en) * 1979-07-25 1980-09-30 Bendix Autolite Corporation Resistance type oxygen sensor
US4347732A (en) * 1980-08-18 1982-09-07 Leary David J Gas monitoring apparatus
JPS5766347A (en) * 1980-10-09 1982-04-22 Hitachi Ltd Detector for mixture gas
US4387359A (en) * 1981-01-21 1983-06-07 Bendix Autolite Corporation Titania oxygen sensor with chrome oxide compensator
US4542640A (en) * 1983-09-15 1985-09-24 Clifford Paul K Selective gas detection and measurement system
US4535316A (en) * 1984-03-26 1985-08-13 Allied Corporation Heated titania oxygen sensor
GB8613233D0 (en) * 1986-05-30 1986-07-02 Angus Fire Armour Ltd Hoses
JPH0672861B2 (ja) * 1986-08-04 1994-09-14 日本碍子株式会社 ＮＯｘセンサ
US4847783A (en) 1987-05-27 1989-07-11 Richard Grace Gas sensing instrument
DE3825206A1 (de) * 1988-07-25 1990-02-01 Degussa Verfahren zur katalytischen entstickung von abgasen mittels eines reduktionsmittels
US5047220A (en) * 1989-03-27 1991-09-10 Foster Wheeler Energy Corporation Catalytic denitrification control process and system for combustion flue gases
JP2879738B2 (ja) * 1989-03-28 1999-04-05 触媒化成工業株式会社 排ガスの浄化方法およびそれに使用する触媒成型体
GB8927567D0 (en) * 1989-12-06 1990-02-07 Gen Electric Co Plc Detection of chemicals
US5234671A (en) * 1990-09-20 1993-08-10 Molecular Technology Corporation Reduction of nitrogen oxide in effluent gases using formaldehyde and/or formaldehyde-derived free radicals
JP3051442B2 (ja) 1990-11-09 2000-06-12 住友ケミカルエンジニアリング株式会社 脱硝方法
US5427740A (en) * 1991-04-05 1995-06-27 British Gas Plc Tin oxide gas sensors
EP0527258B1 (de) * 1991-08-14 1995-10-25 Siemens Aktiengesellschaft Gassensor-Array zur Detektion einzelner Gaskomponenten in einem Gasgemisch
GB9122603D0 (en) * 1991-10-24 1991-12-04 Capteur Sensors & Analysers Sensing gaseous substances
DE59203681D1 (de) * 1991-11-02 1995-10-19 Degussa Verfahren zur oxidativen Reinigung von Stickoxide enthaltenden Abgasen.
JP2819896B2 (ja) * 1991-11-18 1998-11-05 株式会社日立製作所 排気ガス浄化用触媒装置診断機能を備えた内燃機関の制御装置
US5233934A (en) * 1992-08-20 1993-08-10 Wahlco Environmental Systems, Inc. Control of NOx reduction in flue gas flows
US5426934A (en) * 1993-02-10 1995-06-27 Hitachi America, Ltd. Engine and emission monitoring and control system utilizing gas sensors
DE4315278A1 (de) * 1993-05-07 1994-11-10 Siemens Ag Verfahren und Einrichtung zur Dosierung eines Reduktionsmittels in ein stickoxidhaltiges Abgas
DE4334071C1 (de) * 1993-10-06 1995-02-09 Siemens Ag Verfahren zur Verminderung der Stickoxidkonzentration im Abgas einer Brennkraftmaschine oder einer Verbrennungsanlage
SE513477C2 (sv) * 1993-11-08 2000-09-18 Volvo Ab Sensor för detektering av kväveoxidföreningar
DE4341632C2 (de) * 1993-12-07 1998-07-16 Heraeus Electro Nite Int Verfahren und Einrichtung zur Prüfung und Regelung von Kraftfahrzeugen
DE4408504A1 (de) 1994-03-14 1995-09-21 Bosch Gmbh Robert Sensor zur Bestimmung der Konzentration von Gaskomponenten in Gasgemischen
DE4408361C2 (de) * 1994-03-14 1996-02-01 Bosch Gmbh Robert Elektrochemischer Sensor zur Bestimmung der Sauerstoffkonzentration in Gasgemischen
US5879526A (en) * 1994-11-08 1999-03-09 Robert Bosch Gmbh Electrochemical measuring sensor for determining nitrogen oxides in gas mixtures
US6170318B1 (en) * 1995-03-27 2001-01-09 California Institute Of Technology Methods of use for sensor based fluid detection devices
WO2000000808A2 (en) 1998-06-09 2000-01-06 California Institute Of Technology Colloidal particles used in sensing arrays
JP3775694B2 (ja) * 1995-05-29 2006-05-17 日新製鋼株式会社 排ガスの脱硝処理方法および脱硝装置
GB9512929D0 (en) * 1995-06-24 1995-08-30 Sun Electric Uk Ltd Multi-gas sensor systems for automatic emissions measurement
US5554273A (en) * 1995-07-26 1996-09-10 Praxair Technology, Inc. Neural network compensation for sensors
US6084418A (en) * 1996-02-28 2000-07-04 Denso Corporation Method for accurately detecting sensor element resistance
JPH1068346A (ja) * 1996-06-21 1998-03-10 Ngk Insulators Ltd エンジン排ガス系の制御法
US5776601A (en) * 1996-10-28 1998-07-07 General Motors Corporation Titania exhaust gas oxygen sensor
EP0851222A1 (en) * 1996-12-31 1998-07-01 Corning Incorporated Metal oxide semiconductor catalyst hydrocarbon sensor
US5832411A (en) * 1997-02-06 1998-11-03 Raytheon Company Automated network of sensor units for real-time monitoring of compounds in a fluid over a distributed area
EP1074834B1 (en) * 1997-03-21 2012-05-23 Ngk Spark Plug Co., Ltd Method and apparatus for measuring NOx gas concentration
US6082176A (en) * 1997-06-13 2000-07-04 Ngk Spark Plug Co., Ltd. NOx-concentration detecting apparatus
US6085576A (en) * 1998-03-20 2000-07-11 Cyrano Sciences, Inc. Handheld sensing apparatus
US6890715B1 (en) * 1999-08-18 2005-05-10 The California Institute Of Technology Sensors of conducting and insulating composites
US6849239B2 (en) * 2000-10-16 2005-02-01 E. I. Du Pont De Nemours And Company Method and apparatus for analyzing mixtures of gases
US6960476B2 (en) * 2000-10-16 2005-11-01 E. I. Du Pont De Nemours And Company Method and apparatus for analyzing mixtures of gases
WO2003087550A1 (en) * 2002-04-05 2003-10-23 E. I. Du Pont De Nemours And Company Method and apparatus for controlling a gas-emitting process and related devices
US7575931B2 (en) * 2002-06-19 2009-08-18 E.I. Du Pont De Nemours And Company Method and apparatus for reducing a nitrogen oxide, and control thereof
WO2004086021A2 (en) * 2003-03-26 2004-10-07 E.I. Dupont De Nemours And Company Apparatus for analyzing mixtures of gases
US7763208B2 (en) * 2003-11-12 2010-07-27 E.I. Du Pont De Nemours And Company System and method for sensing and analyzing gases

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0820799A2 (en) * 1996-07-25 1998-01-28 Ngk Insulators, Ltd. System for and method of removing NOx from exhaust gases

Also Published As

Publication number Publication date
JP2005537931A (ja) 2005-12-15
WO2004027226A9 (en) 2004-05-21
AU2003291615A1 (en) 2004-04-08
CN1662293A (zh) 2005-08-31
WO2004027226A3 (en) 2004-07-22
CA2487562A1 (en) 2004-04-01
US20100021355A1 (en) 2010-01-28
KR20050023310A (ko) 2005-03-09
EP1514014A2 (en) 2005-03-16
US20040126286A1 (en) 2004-07-01
AU2010201062A1 (en) 2010-04-15
JP5118289B2 (ja) 2013-01-16
WO2004027226A2 (en) 2004-04-01
US8617473B2 (en) 2013-12-31
CN103191630A (zh) 2013-07-10
KR20110054077A (ko) 2011-05-24

Similar Documents

Publication Publication Date Title
KR101047191B1 (ko) 질소 산화물의 환원을 위한 방법 및 장치
US7575931B2 (en) Method and apparatus for reducing a nitrogen oxide, and control thereof
JP4856851B2 (ja) ガス放出プロセスを制御する方法および装置
JP2011237447A (ja) ガス検知材料の感度、速度または安定性を回復する方法
KR20050023311A (ko) 질소 산화물의 환원, 및 그의 조절을 위한 방법 및 장치
HK1187018A (en) Method and apparatus for reducing a nitrogen oxide
HK1081264B (en) Method for improving a chemo/electro-active material
HK1081251B (en) Method and apparatus for controlling a gas-emitting process and related devices

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
AMND Amendment
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

AMND Amendment
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

J201 Request for trial against refusal decision
PJ0201 Trial against decision of rejection

St.27 status event code: A-3-3-V10-V11-apl-PJ0201

A107 Divisional application of patent
AMND Amendment
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

PB0901 Examination by re-examination before a trial

St.27 status event code: A-6-3-E10-E12-rex-PB0901

B701 Decision to grant
PB0701 Decision of registration after re-examination before a trial

St.27 status event code: A-3-4-F10-F13-rex-PB0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20140701

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20140701

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301