ATE466644T1 - Katalysatoreinheit zur reduzierung von nox- verbindungen - Google Patents

Katalysatoreinheit zur reduzierung von nox- verbindungen

Info

Publication number
ATE466644T1
ATE466644T1 AT03811974T AT03811974T ATE466644T1 AT E466644 T1 ATE466644 T1 AT E466644T1 AT 03811974 T AT03811974 T AT 03811974T AT 03811974 T AT03811974 T AT 03811974T AT E466644 T1 ATE466644 T1 AT E466644T1
Authority
AT
Austria
Prior art keywords
layer
catalyst unit
decomposition
reducing nox
support structure
Prior art date
Application number
AT03811974T
Other languages
English (en)
Inventor
Edward Jobson
Lennart Cider
Fredrik Klingstedt
Kari Eraenen
Lars-Eric Lindfors
Original Assignee
Volvo Technology Corp
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 Volvo Technology Corp filed Critical Volvo Technology Corp
Application granted granted Critical
Publication of ATE466644T1 publication Critical patent/ATE466644T1/de

Links

Classifications

    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0244—Coatings comprising several layers
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
AT03811974T 2002-11-27 2003-11-27 Katalysatoreinheit zur reduzierung von nox- verbindungen ATE466644T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0203538A SE0203538L (sv) 2002-11-27 2002-11-27 Katalysatorenhet för reducering av NOx-föreningar
PCT/SE2003/001836 WO2004047970A2 (en) 2002-11-27 2003-11-27 Catalyst unit for reduction of nox-compounds

Publications (1)

Publication Number Publication Date
ATE466644T1 true ATE466644T1 (de) 2010-05-15

Family

ID=20289716

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03811974T ATE466644T1 (de) 2002-11-27 2003-11-27 Katalysatoreinheit zur reduzierung von nox- verbindungen

Country Status (9)

Country Link
US (1) US8017086B2 (de)
EP (2) EP2161071B1 (de)
JP (3) JP4838997B2 (de)
CN (1) CN100346868C (de)
AT (1) ATE466644T1 (de)
AU (1) AU2003302379A1 (de)
DE (1) DE60332478D1 (de)
SE (1) SE0203538L (de)
WO (1) WO2004047970A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4686553B2 (ja) * 2005-02-28 2011-05-25 田中貴金属工業株式会社 炭化水素またはアルコールにより排気流中の窒素酸化物を還元するための触媒および方法
JP4710924B2 (ja) * 2007-03-19 2011-06-29 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4710866B2 (ja) * 2007-04-18 2011-06-29 トヨタ自動車株式会社 内燃機関の排気浄化装置
ES2601798T3 (es) * 2011-02-10 2017-02-16 Toyota Jidosha Kabushiki Kaisha Método de purificación de NOX de un sistema de purificación de gas de escape para motor de combustión interna
CN102698578A (zh) * 2011-04-08 2012-10-03 上海同利环境科技有限公司 同步脱除垃圾焚烧烟气中的氮氧化物、二噁英和恶臭的工艺
JP6108741B2 (ja) * 2012-09-27 2017-04-05 日立造船株式会社 船舶用排ガス脱硝装置

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JPH04243525A (ja) 1991-01-22 1992-08-31 Toyota Motor Corp 内燃機関の排気浄化装置
JP2887984B2 (ja) * 1991-09-20 1999-05-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
JPH06178937A (ja) * 1992-10-15 1994-06-28 Riken Corp 窒素酸化物除去触媒及び除去方法
US5237939A (en) * 1992-08-20 1993-08-24 Wahlco Environmental Systems, Inc. Method and apparatus for reducing NOx emissions
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JPH06262078A (ja) * 1993-03-10 1994-09-20 Agency Of Ind Science & Technol 排ガス浄化材及び排ガス浄化方法
JPH0780306A (ja) * 1993-07-20 1995-03-28 Riken Corp 排ガス浄化材及び排ガス浄化方法
JPH07256103A (ja) * 1994-03-18 1995-10-09 Sumitomo Metal Mining Co Ltd 脱硝触媒の製造方法および脱硝方法
JPH0824645A (ja) * 1994-07-20 1996-01-30 Sumitomo Metal Mining Co Ltd 脱硝触媒およびそれを用いた脱硝方法
JPH0842329A (ja) * 1994-07-29 1996-02-13 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置
US5714130A (en) * 1994-11-28 1998-02-03 Kabushiki Kaisha Riken Exhaust gas cleaner and method for cleaning exhaust gas
JPH08141371A (ja) * 1994-11-28 1996-06-04 Riken Corp 排ガス浄化材及び排ガス浄化方法
US5741468A (en) * 1994-12-28 1998-04-21 Kabushiki Kaisha Riken Exhaust gas cleaner and method for cleaning exhaust gas
JPH0966223A (ja) * 1995-09-01 1997-03-11 N E Chemcat Corp 排気ガス浄化用触媒システム及び排気ガスの浄化方法
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JPH09155163A (ja) * 1995-12-11 1997-06-17 Sekiyu Sangyo Kasseika Center 窒素酸化物の接触還元方法
JPH10118489A (ja) * 1996-10-15 1998-05-12 Sumitomo Metal Mining Co Ltd 排ガス浄化用触媒層、排ガス浄化用触媒構造体およびこれによる排ガス浄化方法
JP3237611B2 (ja) * 1997-11-11 2001-12-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
US7033969B1 (en) * 1997-12-10 2006-04-25 Volvo Car Corporation Porous material, method and arrangement for catalytic conversion of exhaust gases
DE69929396T2 (de) * 1998-02-05 2006-09-21 Nissan Motor Co., Ltd., Yokohama Verfahren zur Reinigung von hochsauerstoffhaltigen Abgasen
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JPH11324663A (ja) * 1998-05-11 1999-11-26 Mazda Motor Corp 排気ガス浄化用触媒
JP2000002111A (ja) * 1998-06-16 2000-01-07 Toyota Motor Corp 排ガス浄化用触媒
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JP2001159360A (ja) * 1999-12-02 2001-06-12 Nissan Motor Co Ltd ディーゼルエンジンの燃料制御装置
GB0020287D0 (en) * 2000-08-17 2000-10-04 Aea Technology Plc The catalytic treatment of gases
US6725651B2 (en) 2000-11-16 2004-04-27 Toyota Jidosha Kabushiki Kaisha Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent
JP3571660B2 (ja) * 2001-02-15 2004-09-29 トヨタ自動車株式会社 内燃機関の還元剤供給装置
JP4604374B2 (ja) * 2001-03-15 2011-01-05 日産自動車株式会社 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
SE0203538L (sv) 2004-05-28
JP2010284648A (ja) 2010-12-24
WO2004047970A3 (en) 2005-03-31
CN1729042A (zh) 2006-02-01
US20080256934A1 (en) 2008-10-23
EP2161071A1 (de) 2010-03-10
EP1565253B1 (de) 2010-05-05
JP2006507926A (ja) 2006-03-09
CN100346868C (zh) 2007-11-07
AU2003302379A8 (en) 2004-06-18
AU2003302379A1 (en) 2004-06-18
JP2011230124A (ja) 2011-11-17
WO2004047970A2 (en) 2004-06-10
SE0203538D0 (sv) 2002-11-27
US8017086B2 (en) 2011-09-13
EP1565253A2 (de) 2005-08-24
DE60332478D1 (de) 2010-06-17
JP4838997B2 (ja) 2011-12-14
EP2161071B1 (de) 2013-02-27

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