ATE233368T1 - Verfahren zur selektiven reduktion von nox in abgas - Google Patents
Verfahren zur selektiven reduktion von nox in abgasInfo
- Publication number
- ATE233368T1 ATE233368T1 AT98103892T AT98103892T ATE233368T1 AT E233368 T1 ATE233368 T1 AT E233368T1 AT 98103892 T AT98103892 T AT 98103892T AT 98103892 T AT98103892 T AT 98103892T AT E233368 T1 ATE233368 T1 AT E233368T1
- Authority
- AT
- Austria
- Prior art keywords
- plates
- stack
- duct
- nox
- gas
- Prior art date
Links
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 ; Methods of operation or control of catalytic converters
- 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
- 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
- F01N3/10—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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4055197P | 1997-03-13 | 1997-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE233368T1 true ATE233368T1 (de) | 2003-03-15 |
Family
ID=21911614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98103892T ATE233368T1 (de) | 1997-03-13 | 1998-03-05 | Verfahren zur selektiven reduktion von nox in abgas |
Country Status (8)
Country | Link |
---|---|
US (1) | US6074619A (de) |
EP (1) | EP0864732B1 (de) |
JP (1) | JPH10314549A (de) |
CN (1) | CN1198960A (de) |
AT (1) | ATE233368T1 (de) |
CA (1) | CA2231987A1 (de) |
DE (1) | DE69811545T2 (de) |
NO (1) | NO981039L (de) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19820990A1 (de) * | 1998-05-11 | 1999-11-18 | Babcock Anlagen Gmbh | Vorrichtung in einer Anlage zur Reduktion von Stickoxiden |
DE19922959A1 (de) * | 1999-05-19 | 2000-11-23 | Daimler Chrysler Ag | Abgasreinigungsanlage mit Stickoxidreduktion unter Reduktionsmittelzugabe |
DE19929765A1 (de) * | 1999-06-29 | 2001-01-11 | Siemens Ag | Reinigungseinrichtung für Rauchgas |
US7829033B2 (en) * | 2003-07-03 | 2010-11-09 | Fuel Tech, Inc. | Selective catalytic reduction of NOx enabled by sidestream urea decomposition |
US6905658B2 (en) * | 2001-06-29 | 2005-06-14 | The Babcock & Wilcox Company | Channelized SCR inlet for improved ammonia injection and efficient NOx control |
JP4720054B2 (ja) * | 2001-09-11 | 2011-07-13 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6510820B1 (en) | 2002-01-23 | 2003-01-28 | The Babcock & Wilcox Company | Compartmented gas flue for NOx control and particulate removal |
CA2527006A1 (en) | 2003-06-18 | 2004-12-29 | Johnson Matthey Public Limited Company | System and method of controlling reductant addition |
US7581387B2 (en) * | 2005-02-28 | 2009-09-01 | Caterpillar Inc. | Exhaust gas mixing system |
JP4703260B2 (ja) * | 2005-05-17 | 2011-06-15 | Udトラックス株式会社 | エンジンの排気浄化装置及びこれに用いられる排気管の構造 |
ATE521414T1 (de) | 2005-05-20 | 2011-09-15 | Emitec Denmark As | Zerstäubung von fluiden durch gegenseitiges zusammenstossen von fluidströmen |
SE527591C8 (sv) * | 2005-07-01 | 2006-07-18 | Sandvik Intellectual Property | Avgassystem innefattande en SCR-katalysator |
FR2897642B1 (fr) * | 2006-02-20 | 2011-02-11 | Renault Sas | Procede et dispositif de regeneration du filtre a particules de l'echappement d'un moteur a combustion interne |
US8899020B2 (en) * | 2006-08-21 | 2014-12-02 | Southwest Research Institute | Apparatus and method for assisting selective catalytic reduction |
WO2008034981A1 (fr) * | 2006-09-21 | 2008-03-27 | Renault S.A.S | Agencement pour la depollution d'un moteur thermique de vehicule automobile |
FR2906305B1 (fr) * | 2006-09-21 | 2008-12-12 | Renault Sas | Agencement pour la depollution d'un moteur thermique de vehicule automobile comportant un porte-plaque |
WO2008058548A1 (en) * | 2006-11-16 | 2008-05-22 | Grundfos Nonox A/S | Nozzle and method for atomization of fluids |
DE102006055036B4 (de) * | 2006-11-22 | 2023-03-02 | Faurecia Emissions Control Technologies, Germany Gmbh | Mischelement sowie Abgasanlage für eine Verbrennungskraftmaschine |
CN101245726B (zh) * | 2007-02-12 | 2011-01-26 | 潍柴动力股份有限公司 | 大排量发动机scr后处理管路装置 |
JP4375465B2 (ja) * | 2007-09-14 | 2009-12-02 | トヨタ自動車株式会社 | 排気通路の添加剤分散板構造 |
FR2922594A1 (fr) * | 2007-10-23 | 2009-04-24 | Peugeot Citroen Automobiles Sa | Procede de gestion d'injection d'uree dans un systeme a reduction catalytique selective |
US8776499B2 (en) * | 2008-02-25 | 2014-07-15 | Basf Corporation | Emission treatment systems and methods using passivated surfaces |
US8402755B2 (en) * | 2008-07-30 | 2013-03-26 | General Electric Company | Gas turbine combustor exhaust gas spray cooling for NOx control using selective catalytic reductions |
US8726643B2 (en) * | 2008-11-13 | 2014-05-20 | Donaldson Company, Inc. | Injector mounting configuration for an exhaust treatment system |
US9429058B2 (en) * | 2008-12-01 | 2016-08-30 | GM Global Technology Operations LLC | Mixing devices for selective catalytic reduction systems |
US20100146948A1 (en) * | 2008-12-17 | 2010-06-17 | Caterpillar Inc. | Exhaust system promoting decomposition of reductants into gaseous products |
EP2378097B1 (de) * | 2009-01-14 | 2018-09-19 | Toyota Jidosha Kabushiki Kaisha | Motor |
US20110002376A1 (en) * | 2009-07-01 | 2011-01-06 | Wham! Inc. | Latency Minimization Via Pipelining of Processing Blocks |
US8151556B2 (en) * | 2009-07-21 | 2012-04-10 | Navistar Canada, Inc. | Internal combustion engine exhaust after-treatment system and method |
US8359832B2 (en) | 2009-12-21 | 2013-01-29 | Caterpillar Inc. | SCR reductant mixer |
CN101915150A (zh) * | 2010-09-20 | 2010-12-15 | 中国人民解放军军事交通学院 | 加强尾气旋流流动及消除尿素溶液喷射结晶的排气管 |
JP5688963B2 (ja) * | 2010-12-17 | 2015-03-25 | Udトラックス株式会社 | エンジンの排気浄化装置 |
DE102011111765B4 (de) | 2011-08-24 | 2023-06-22 | Friedrich Boysen Gmbh & Co. Kg | Mischereinrichtung |
US9347355B2 (en) * | 2011-09-08 | 2016-05-24 | Tenneco Automotive Operating Company Inc. | In-line flow diverter |
US8635858B2 (en) * | 2011-10-25 | 2014-01-28 | Ford Global Technologies, Llc | Fluid-spray atomizer |
DE102011117139A1 (de) * | 2011-10-28 | 2013-05-02 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Mischeranordnung zur Reduktionsmittelaufbereitung |
PL2620208T3 (pl) * | 2012-01-25 | 2017-07-31 | General Electric Technology Gmbh | Układ do mieszania gazu |
CN103899389B (zh) * | 2012-12-24 | 2018-02-06 | 福特汽车萨纳伊股份有限公司 | 静态混合器 |
US9341097B2 (en) | 2013-03-15 | 2016-05-17 | Cummins Inc. | Reductant material deposit reduction in exhaust aftertreatment systems |
US8999276B1 (en) * | 2013-09-19 | 2015-04-07 | Caterpillar Inc. | System and method for mixing of fluids |
US9605573B2 (en) * | 2014-07-23 | 2017-03-28 | GM Global Technology Operations LLC | System and method for gas/liquid mixing in an exhaust aftertreatment system |
DE102014112004A1 (de) * | 2014-08-21 | 2016-02-25 | Friedrich Boysen Gmbh & Co. Kg | Mischereinrichtung |
US9718037B2 (en) | 2014-12-17 | 2017-08-01 | Caterpillar Inc. | Mixing system for aftertreatment system |
US10086332B2 (en) | 2015-05-07 | 2018-10-02 | Ford Global Technologies, Llc | Exhaust flow device |
US9822688B2 (en) | 2015-06-24 | 2017-11-21 | Ford Global Technologies, Llc | Exhaust flow device |
CN105056756A (zh) * | 2015-07-17 | 2015-11-18 | 中国重型机械研究院股份公司 | 一种选择性催化还原法(scr)脱硝气流紊流装置 |
US10066530B2 (en) | 2015-11-17 | 2018-09-04 | Ford Global Technologies, Llc | Exhaust gas mixer |
US9926891B2 (en) * | 2015-11-18 | 2018-03-27 | General Electric Company | System and method of exhaust gas recirculation |
JP2017180326A (ja) * | 2016-03-30 | 2017-10-05 | イビデン株式会社 | 拡散部材、排ガス浄化装置及び排ガス浄化装置における拡散部材の使用 |
US10550748B2 (en) * | 2016-09-01 | 2020-02-04 | Robert John Sharp | Sectioned exhaust filter system |
EP3379046B1 (de) | 2017-03-24 | 2020-09-09 | Volvo Car Corporation | Abgasnachbehandlungssystem |
FR3068730B1 (fr) * | 2017-07-04 | 2020-02-14 | Faurecia Systemes D'echappement | Dispositif d'injection pour une ligne d'echappement de vehicule et ligne d'echappement correspondante |
DE112018003392T5 (de) * | 2017-08-02 | 2020-03-19 | Robert Bosch Gmbh | Konzept von mehrfach-def-einspritzung zur reduzierung des risikos der ausbildung von festen ablagerungen in dieselnachbehandlungssystemen |
CN109248713A (zh) * | 2018-09-06 | 2019-01-22 | 南京蔚岚环境技术研究院有限公司 | 一种挥发性有机物处理用的催化剂载体及其制造方法 |
KR101977343B1 (ko) * | 2018-12-19 | 2019-05-10 | 주식회사 신명엔텍 | 기류 지연판을 구비한 질소산화물 저감 장치 |
CN110124414A (zh) * | 2019-04-15 | 2019-08-16 | 柳保来 | 锅炉、窑炉尾气处理器 |
CN110185558A (zh) * | 2019-05-23 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | 气体混合装置以及发动机进气混合结构 |
CN111167436B (zh) * | 2019-12-06 | 2021-11-23 | 清华大学 | 涂敷型整体式催化剂及其制备方法和应用 |
US11549422B1 (en) | 2021-12-06 | 2023-01-10 | Tenneco Automotive Operating Company Inc. | Exhaust system for a combustion engine including a flow distributor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU179046B (en) * | 1979-08-31 | 1982-08-28 | Mta Mueszaki Kemiai Kutato Int | Static mixing method and apparatus |
DE3709649C1 (en) * | 1986-04-11 | 1988-09-01 | Steinmueller Gmbh L & C | Apparatus for improving the flow equalisation downstream of a lamellae element apparatus |
KR950012137B1 (ko) * | 1989-02-02 | 1995-10-14 | 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 | 디이젤엔진 배기가스 중의 질소산화물 제거방법 |
JPH02268811A (ja) * | 1989-04-10 | 1990-11-02 | Hitachi Zosen Corp | 尿素の加水分解によるアンモニアを用いる脱硝方法 |
ZA904363B (en) * | 1989-06-24 | 1991-03-27 | Degussa | Process for the regeneration of soot filters on diesel engines |
US5320428A (en) * | 1990-05-08 | 1994-06-14 | Sulzer Chemtech Ag | Mixer installation, catalyzer installation and use of the catalyzer installation |
KR100229731B1 (ko) * | 1990-07-27 | 1999-11-15 | 브룬너 하인리히 페터 울리히 | 대형 디젤엔진 |
ATE157901T1 (de) * | 1992-02-10 | 1997-09-15 | Man Nutzfahrzeuge Ag | Vorrichtung zur katalytischen nox-reduktion |
CA2088713C (en) * | 1992-02-24 | 1999-11-16 | Hans Thomas Hug | Cleaning exhaust gases from combustion installations |
DE4313393C2 (de) * | 1993-04-07 | 2003-06-26 | Siemens Ag | Statischer Mischer |
-
1998
- 1998-03-05 DE DE69811545T patent/DE69811545T2/de not_active Expired - Fee Related
- 1998-03-05 AT AT98103892T patent/ATE233368T1/de not_active IP Right Cessation
- 1998-03-05 EP EP98103892A patent/EP0864732B1/de not_active Expired - Lifetime
- 1998-03-10 NO NO981039A patent/NO981039L/no not_active Application Discontinuation
- 1998-03-11 CA CA002231987A patent/CA2231987A1/en not_active Abandoned
- 1998-03-12 CN CN98107034A patent/CN1198960A/zh active Pending
- 1998-03-12 JP JP10061550A patent/JPH10314549A/ja not_active Withdrawn
- 1998-03-12 US US09/038,956 patent/US6074619A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2231987A1 (en) | 1998-09-13 |
JPH10314549A (ja) | 1998-12-02 |
US6074619A (en) | 2000-06-13 |
DE69811545T2 (de) | 2003-11-20 |
EP0864732A1 (de) | 1998-09-16 |
CN1198960A (zh) | 1998-11-18 |
EP0864732B1 (de) | 2003-02-26 |
NO981039L (no) | 1998-09-14 |
DE69811545D1 (de) | 2003-04-03 |
NO981039D0 (no) | 1998-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |