ATE233368T1 - Verfahren zur selektiven reduktion von nox in abgas - Google Patents

Verfahren zur selektiven reduktion von nox in abgas

Info

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
Application number
AT98103892T
Other languages
English (en)
Inventor
Peter Schoubye
Original Assignee
Haldor Topsoe As
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 Haldor Topsoe As filed Critical Haldor Topsoe As
Application granted granted Critical
Publication of ATE233368T1 publication Critical patent/ATE233368T1/de

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
AT98103892T 1997-03-13 1998-03-05 Verfahren zur selektiven reduktion von nox in abgas ATE233368T1 (de)

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)

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US6905658B2 (en) * 2001-06-29 2005-06-14 The Babcock & Wilcox Company Channelized SCR inlet for improved ammonia injection and efficient NOx control
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US6510820B1 (en) 2002-01-23 2003-01-28 The Babcock & Wilcox Company Compartmented gas flue for NOx control and particulate removal
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JP5188961B2 (ja) 2005-05-20 2013-04-24 グルンドフォス ノノックス エー／エス 流動体流の相互衝突による流動体の噴霧化方法、そのためのノズル、およびそれを含むシステム
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
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
WO2008034981A1 (fr) * 2006-09-21 2008-03-27 Renault S.A.S Agencement pour la depollution d'un moteur thermique de vehicule automobile
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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
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US20100146948A1 (en) * 2008-12-17 2010-06-17 Caterpillar Inc. Exhaust system promoting decomposition of reductants into gaseous products
US9145849B2 (en) * 2009-01-14 2015-09-29 Toyota Jidosha Kabushiki Kaisha Engine fueled by ammonia with selective reduction catalyst
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
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CN111133177B (zh) * 2017-08-02 2023-04-28 罗伯特·博世有限公司 降低柴油机后处理系统中固体沉积物形成的风险的多重def喷射构思
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
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Also Published As

Publication number Publication date
NO981039L (no) 1998-09-14
CN1198960A (zh) 1998-11-18
DE69811545T2 (de) 2003-11-20
EP0864732A1 (de) 1998-09-16
NO981039D0 (no) 1998-03-10
JPH10314549A (ja) 1998-12-02
EP0864732B1 (de) 2003-02-26
CA2231987A1 (en) 1998-09-13
DE69811545D1 (de) 2003-04-03
US6074619A (en) 2000-06-13

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