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TW329395B - Installation and method for decomposing nitrogen oxide in a gas-flow - Google Patents

Installation and method for decomposing nitrogen oxide in a gas-flow

Info

Publication number
TW329395B
TW329395B TW085116330A TW85116330A TW329395B TW 329395 B TW329395 B TW 329395B TW 085116330 A TW085116330 A TW 085116330A TW 85116330 A TW85116330 A TW 85116330A TW 329395 B TW329395 B TW 329395B
Authority
TW
Taiwan
Prior art keywords
gas
flow
catalyst
installation
cell
Prior art date
Application number
TW085116330A
Other languages
English (en)
Inventor
Mathes Wieland
Hofmann Lothar
Witzel Frank
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of TW329395B publication Critical patent/TW329395B/zh

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B01J35/57—Honeycombs
    • 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
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
TW085116330A 1996-02-12 1996-12-31 Installation and method for decomposing nitrogen oxide in a gas-flow TW329395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19605115 1996-02-12

Publications (1)

Publication Number Publication Date
TW329395B true TW329395B (en) 1998-04-11

Family

ID=7785190

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085116330A TW329395B (en) 1996-02-12 1996-12-31 Installation and method for decomposing nitrogen oxide in a gas-flow

Country Status (8)

Country Link
US (1) US6475453B1 (zh)
EP (1) EP0892668B1 (zh)
AT (1) ATE205745T1 (zh)
DE (1) DE59704666D1 (zh)
DK (1) DK0892668T3 (zh)
ES (1) ES2165040T3 (zh)
TW (1) TW329395B (zh)
WO (1) WO1997029835A1 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
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DE19918876A1 (de) * 1999-04-26 2000-11-02 Delphi Tech Inc Katalytischer Konverter
FI107828B (fi) * 1999-05-18 2001-10-15 Kemira Metalkat Oy Dieselmoottoreiden pakokaasujen puhdistusjärjestelmä ja menetelmä dieselmoottoreiden pakokaasujen puhdistamiseksi
TW475027B (en) * 2000-06-02 2002-02-01 Emitec Emissionstechnologie Catalyst carrier body with protective zone
JP2002306915A (ja) 2001-02-09 2002-10-22 Denso Corp ハニカム構造体
JP4863596B2 (ja) * 2001-06-18 2012-01-25 日産自動車株式会社 排気ガス浄化システム
US6887456B2 (en) 2001-10-05 2005-05-03 Conocophillips Company Catalyst system for enhanced flow syngas production
SE524225C2 (sv) * 2002-02-15 2004-07-13 Volvo Technology Corp En anordning för behandling av ett gasflöde
AU2003299644A1 (en) * 2002-12-17 2004-07-22 Clean Diesel Technologies, Inc. Nox control for ic engines
US20090004083A1 (en) * 2003-12-17 2009-01-01 Valentine James M NOx control for IC engines
KR100667028B1 (ko) * 2005-10-04 2007-01-10 희성엥겔하드주식회사 환원제 무주입 ｓｃｒ 촉매컨버터
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
US20070189948A1 (en) * 2006-02-14 2007-08-16 Rocha Teresa G Catalyst system and method
US7858052B2 (en) 2007-01-23 2010-12-28 Gm Global Technology Operations, Inc. Catalytic converter optimization
US8071037B2 (en) 2008-06-25 2011-12-06 Cummins Filtration Ip, Inc. Catalytic devices for converting urea to ammonia
US20100115930A1 (en) * 2008-11-07 2010-05-13 Gm Global Technology Operations, Inc. Exhaust after treatment system
US8273315B2 (en) * 2010-08-09 2012-09-25 Ford Global Technologies, Llc Engine emission control system
US20140170030A1 (en) * 2012-12-14 2014-06-19 International Engine Intellectual Property Company, Llc Aftertreatment System Using LNT and SCR
AT516467A1 (de) * 2014-11-10 2016-05-15 Ge Jenbacher Gmbh & Co Og Katalysatoreinrichtung für eine stationäre Brennkraftmaschine
US10648392B2 (en) * 2016-10-11 2020-05-12 Progress Rail Locomotive Inc Large diesel engineer aftertreatment system
US11643959B2 (en) * 2021-02-04 2023-05-09 Ford Global Technologies, Llc Additively manufactured catalytic converter substrates

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785781A (en) * 1971-10-04 1974-01-15 Universal Oil Prod Co Apparatus for catalytically converting fluid
IT1070099B (it) 1975-09-23 1985-03-25 Degussa Catalizzatore supportato monolitico e disposizione di catalizzatori supportati monolitici per la depurazione dei gas di scarico di motori a combustione
JPS5650716A (en) * 1979-09-28 1981-05-08 Sumitomo Metal Ind Ltd Manufacturing apparatus for forge welded pipe
JPS6318123A (ja) * 1986-07-10 1988-01-26 Fuji Heavy Ind Ltd 触媒コンバ−タ
JPS647935A (en) * 1987-06-30 1989-01-11 Nissan Motor Catalytic converter device
DE3830317A1 (de) * 1988-09-07 1990-03-15 Degussa Katalysator fuer die beseitigung von in abgasen ueberwiegend mit alkohol betriebener verbrennungskraftmaschinen enthaltenen schadstoffen, verfahren zur herstellung und verwendung
DE4024942A1 (de) * 1990-08-06 1992-02-13 Emitec Emissionstechnologie Monolithischer metallischer wabenkoerper mit variierender kanalzahl
DE9012384U1 (de) 1990-08-29 1990-10-31 Siemens AG, 8000 München Katalysator-Anordnung für ein strömendes flüssiges oder gasförmiges Medium
DE4027329A1 (de) 1990-08-29 1992-03-12 Siemens Ag Katalysator-anordnung zur stickoxidminderung in einem rauchgas
EP0611594A1 (de) * 1993-02-17 1994-08-24 Siemens Aktiengesellschaft Katalysator zur Umsetzung von Reaktanten eines Gasgemisches
JP3526084B2 (ja) * 1993-12-28 2004-05-10 日本碍子株式会社 排ガス浄化用吸着・触媒体、吸着体、排ガス浄化システム及び排ガス浄化方法

Also Published As

Publication number Publication date
ATE205745T1 (de) 2001-10-15
EP0892668B1 (de) 2001-09-19
ES2165040T3 (es) 2002-03-01
DE59704666D1 (de) 2001-10-25
EP0892668A1 (de) 1999-01-27
WO1997029835A1 (de) 1997-08-21
US6475453B1 (en) 2002-11-05
DK0892668T3 (da) 2002-01-21

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees