CN100342954C - 还原氮氧化物的方法和设备,及其控制 - Google Patents

还原氮氧化物的方法和设备,及其控制 Download PDF

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Publication number
CN100342954C
CN100342954C CNB038142317A CN03814231A CN100342954C CN 100342954 C CN100342954 C CN 100342954C CN B038142317 A CNB038142317 A CN B038142317A CN 03814231 A CN03814231 A CN 03814231A CN 100342954 C CN100342954 C CN 100342954C
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gas
chemically
electronically active
active materials
admixture
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CNB038142317A
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Chinese (zh)
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CN1662292A (zh
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J·C·斯泰肯
P·A·莫里斯
J·J·S·巴恩斯
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EIDP Inc
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EI Du Pont de Nemours and Co
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    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—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
    • B01D53/346—Controlling the 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/77—Liquid phase processes
    • B01D53/79—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
    • B01D53/74—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
    • 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
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037—NOx
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/10—Composition for standardization, calibration, simulation, stabilization, preparation or preservation; processes of use in preparation for chemical testing
    • Y10T436/100833—Simulative of a gaseous composition
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/12—Condition responsive control
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/177692—Oxides of nitrogen
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/177692—Oxides of nitrogen
    • Y10T436/178459—Only nitrogen dioxide
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/177692—Oxides of nitrogen
    • Y10T436/179228—Both nitrogen oxide and dioxide

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
CNB038142317A 2002-06-19 2003-06-19 还原氮氧化物的方法和设备,及其控制 Expired - Fee Related CN100342954C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38978102P 2002-06-19 2002-06-19
US60/389,781 2002-06-19

Publications (2)

Publication Number Publication Date
CN1662292A CN1662292A (zh) 2005-08-31
CN100342954C true CN100342954C (zh) 2007-10-17

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US (2) US7575931B2 (enExample)
EP (1) EP1513604B1 (enExample)
JP (1) JP4823518B2 (enExample)
KR (1) KR20110065573A (enExample)
CN (1) CN100342954C (enExample)
AU (1) AU2003247570B2 (enExample)
BR (1) BR0311785A (enExample)
CA (1) CA2487110C (enExample)
ES (1) ES2389466T3 (enExample)
WO (1) WO2004000443A1 (enExample)

Families Citing this family (48)

* 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
US20040126286A1 (en) * 2002-06-19 2004-07-01 Deruyter John C. Method and apparatus for reducing a nitrogen oxide
DE10345440A1 (de) * 2003-09-30 2005-05-12 Siemens Ag Verfahren, Computerprogramm mit Programmcode-Mitteln und Computerprogramm-Produkt zur Analyse von Einflussgrößen auf einen Brennvorgang in einer Brennkammer unter Verwendung eines trainierbaren, statistischen Modells
GB0422549D0 (en) * 2004-10-12 2004-11-10 Johnson Matthey Plc Method of decomposing nitrogen dioxide
DE102005014891A1 (de) * 2005-04-01 2006-10-05 Daimlerchrysler Ag Vorrichtung und Vefahren zur selektiven katalytischen Reduktion von Abgasen aus einem Verbrennungsmotor
US20060231422A1 (en) * 2005-04-14 2006-10-19 Honeywell International Inc. Switched gas sensor
US7780813B2 (en) * 2005-06-09 2010-08-24 Alcatel-Lucent Usa Inc. Electric field mediated chemical reactors
US7765795B2 (en) * 2006-04-28 2010-08-03 Caterpillar Inc NOx control using a neural network
DK2363194T3 (da) * 2006-08-01 2013-02-11 Cormetech Inc System til fjernelse af nitrogenoxider fra en udstødningsgas
JP4100440B2 (ja) * 2006-09-26 2008-06-11 トヨタ自動車株式会社 ハイブリッド車両の制御装置
WO2008156843A1 (en) * 2007-06-21 2008-12-24 Fluor Technologies Corporation Air demand feedback control systems and methods for sulfur recovery units
FR2929329B1 (fr) * 2008-03-28 2012-08-24 Peugeot Citroen Automobiles Sa Methode de mesure de la quantite d'agent reducteur injectee et dispositif pour la mise en oeuvre de ladite methode
US8074445B2 (en) 2008-04-30 2011-12-13 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8505278B2 (en) 2009-04-30 2013-08-13 Cummins Ip, Inc. Engine system properties controller
US8181450B2 (en) 2008-04-30 2012-05-22 Cummins IP. Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control
US8109079B2 (en) 2008-04-30 2012-02-07 Cummins Ip, Inc. Apparatus, system, and method for controlling ammonia slip from an SCR catalyst
US8281572B2 (en) 2008-04-30 2012-10-09 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions from an engine system
US8201394B2 (en) 2008-04-30 2012-06-19 Cummins Ip, Inc. Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system
US8256208B2 (en) 2008-04-30 2012-09-04 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
US8141340B2 (en) 2008-04-30 2012-03-27 Cummins Ip, Inc Apparatus, system, and method for determining the degradation of an SCR catalyst
US8161730B2 (en) 2008-04-30 2012-04-24 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
WO2010065963A2 (en) 2008-12-05 2010-06-10 Cummins Ip, Inc. Apparatus, system, and method for estimating an nox conversion efficiency of a selective catalytic reduction catalyst
US8356471B2 (en) 2008-12-05 2013-01-22 Cummins Ip, Inc. Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system
US8491845B2 (en) 2009-09-10 2013-07-23 Cummins Ip, Inc. Low temperature selective catalytic reduction catalyst and associated systems and methods
US20110085955A1 (en) * 2009-10-12 2011-04-14 Alstom Technology Ltd System and method for reducing no2 poisoning
US8951487B2 (en) 2010-10-25 2015-02-10 ADA-ES, Inc. Hot-side method and system
US8496894B2 (en) 2010-02-04 2013-07-30 ADA-ES, Inc. Method and system for controlling mercury emissions from coal-fired thermal processes
US11298657B2 (en) 2010-10-25 2022-04-12 ADA-ES, Inc. Hot-side method and system
US8733083B2 (en) 2010-04-26 2014-05-27 Cummins Filtration Ip, Inc. SCR catalyst ammonia surface coverage estimation and control
US20110274607A1 (en) * 2010-05-04 2011-11-10 Technical University Of Denmark Vanadia-supported zeolites for scr of no by ammonia
US20120161790A1 (en) * 2010-12-22 2012-06-28 Peter Smith NOx SENSING MATERIALS AND SENSORS INCORPORATING SAID MATERIALS
PL2691617T3 (pl) * 2011-03-28 2015-11-30 Umicore Ag & Co Kg Sposób redukcji tlenków azotu i tlenków siarki w spalinach z silników spalinowych
JP2012214364A (ja) * 2011-03-28 2012-11-08 Ngk Insulators Ltd ハニカム構造体、Ｓｉ−ＳｉＣ系複合材料、ハニカム構造体の製造方法及びＳｉ−ＳｉＣ系複合材料の製造方法
US8845986B2 (en) 2011-05-13 2014-09-30 ADA-ES, Inc. Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers
US8883099B2 (en) 2012-04-11 2014-11-11 ADA-ES, Inc. Control of wet scrubber oxidation inhibitor and byproduct recovery
FR2993602B1 (fr) * 2012-07-17 2014-07-25 IFP Energies Nouvelles Procede de detection de composes azotes contenus dans des gaz d'echappement, notamment de moteur a combustion interne
US9957454B2 (en) 2012-08-10 2018-05-01 ADA-ES, Inc. Method and additive for controlling nitrogen oxide emissions
US20140065041A1 (en) * 2012-08-28 2014-03-06 Cummins Emission Solutions, Inc. Emissions aftertreatment component recovery system and method
US8906134B2 (en) * 2012-11-08 2014-12-09 GM Global Technology Operations LLC Engine-out soot flow rate prediction
US9889451B2 (en) 2013-08-16 2018-02-13 ADA-ES, Inc. Method to reduce mercury, acid gas, and particulate emissions
JP2017505988A (ja) * 2014-01-14 2017-02-23 アプライド マテリアルズ インコーポレイテッドＡｐｐｌｉｅｄ Ｍａｔｅｒｉａｌｓ，Ｉｎｃｏｒｐｏｒａｔｅｄ 半導体製造における窒素酸化物の軽減
US9360463B1 (en) * 2015-02-27 2016-06-07 Caterpillar Inc. Method and system for testing a condition of a catalyst
JP2020510831A (ja) * 2017-03-01 2020-04-09 日本特殊陶業株式会社 還元ガスを用いた一酸化窒素検出装置
CN108096969B (zh) * 2017-12-05 2024-03-22 青岛科技大学 一种基于挥发油气净化技术的尾气光氧裂解处理方法
CN109821417A (zh) * 2019-03-29 2019-05-31 大唐贵州发耳发电有限公司 一种脱硝系统喷氨格栅优化系统及其优化方法
US11867111B2 (en) 2019-05-09 2024-01-09 Cummins Emission Solutions Inc. Valve arrangement for split-flow close-coupled catalyst
TWI841035B (zh) * 2022-11-03 2024-05-01 財團法人工業技術研究院 半導體製程還原劑添加系統與方法
CN120303049A (zh) * 2022-11-21 2025-07-11 巴斯夫欧洲公司 用于控制化学反应的排放物的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435103A1 (de) * 1994-09-30 1996-04-04 Siemens Ag Verfahren und Anordnung zur Verbesserung der Wirksamkeit von SCR-DeNOx-Anlagen
US5540047A (en) * 1993-10-06 1996-07-30 Siemens Aktiengesellschaft Method for reducing the nitrogen oxide concentration in the exhaust of an internal combustion engine or of a firing system
US6017503A (en) * 1996-07-25 2000-01-25 Ngk Insulators, Ltd. Method of removing NOx from exhaust gases

Family Cites Families (50)

* 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
US4085193A (en) 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
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
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
GB8927567D0 (en) * 1989-12-06 1990-02-07 Gen Electric Co Plc Detection of chemicals
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
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
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
DE4408361C2 (de) * 1994-03-14 1996-02-01 Bosch Gmbh Robert Elektrochemischer Sensor zur Bestimmung der Sauerstoffkonzentration in Gasgemischen
JP3544716B2 (ja) * 1994-10-26 2004-07-21 バブコック日立株式会社 脱硝装置のアンモニア注入量制御方法および装置
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
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
DE19814386C2 (de) * 1998-03-31 2000-06-08 Siemens Ag Verfahren und Vorrichtung zur katalytischen Entfernung von Stickoxiden im Abgas einer Verbrennungsanlage
JP2000282843A (ja) * 1999-03-31 2000-10-10 Toyota Motor Corp 内燃機関の排気浄化装置
US6890715B1 (en) * 1999-08-18 2005-05-10 The California Institute Of Technology Sensors of conducting and insulating composites
DE10021693C2 (de) * 2000-05-04 2003-08-07 Siemens Ag Verfahren und Vorrichtung zur Abgasreinigung
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
WO2003100225A1 (en) * 2002-05-07 2003-12-04 Extengine Transport Systems Emission control system
US20040126286A1 (en) * 2002-06-19 2004-07-01 Deruyter John C. Method and apparatus for reducing a nitrogen oxide
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540047A (en) * 1993-10-06 1996-07-30 Siemens Aktiengesellschaft Method for reducing the nitrogen oxide concentration in the exhaust of an internal combustion engine or of a firing system
DE4435103A1 (de) * 1994-09-30 1996-04-04 Siemens Ag Verfahren und Anordnung zur Verbesserung der Wirksamkeit von SCR-DeNOx-Anlagen
US6017503A (en) * 1996-07-25 2000-01-25 Ngk Insulators, Ltd. Method of removing NOx from exhaust gases

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CA2487110A1 (en) 2003-12-31
BR0311785A (pt) 2005-03-29
AU2003247570B2 (en) 2010-03-04
US20090304559A1 (en) 2009-12-10
ES2389466T3 (es) 2012-10-26
JP4823518B2 (ja) 2011-11-24
KR20110065573A (ko) 2011-06-15
CN1662292A (zh) 2005-08-31
US20040063210A1 (en) 2004-04-01
WO2004000443A1 (en) 2003-12-31
CA2487110C (en) 2012-08-21
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