FI20041057A - Pelkistysainekoostumus - Google Patents

Pelkistysainekoostumus Download PDF

Info

Publication number
FI20041057A
FI20041057A FI20041057A FI20041057A FI20041057A FI 20041057 A FI20041057 A FI 20041057A FI 20041057 A FI20041057 A FI 20041057A FI 20041057 A FI20041057 A FI 20041057A FI 20041057 A FI20041057 A FI 20041057A
Authority
FI
Finland
Prior art keywords
reducing agent
agent composition
composition
reducing
agent
Prior art date
Application number
FI20041057A
Other languages
English (en)
Swedish (sv)
Other versions
FI117891B (fi
FI20041057A0 (fi
Inventor
Timo Nissinen
Timo Haermae
Jari Kukkonen
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Priority to FI20041057A priority Critical patent/FI117891B/fi
Publication of FI20041057A0 publication Critical patent/FI20041057A0/fi
Priority to EP05775478A priority patent/EP1786543A1/en
Priority to PCT/FI2005/000350 priority patent/WO2006013229A1/en
Priority to US11/573,160 priority patent/US7744837B2/en
Priority to CA2576502A priority patent/CA2576502C/en
Publication of FI20041057A publication Critical patent/FI20041057A/fi
Application granted granted Critical
Publication of FI117891B publication Critical patent/FI117891B/fi

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
    • B01D53/9436—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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
    • 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
FI20041057A 2004-08-04 2004-08-04 Pelkistysainekoostumus FI117891B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20041057A FI117891B (fi) 2004-08-04 2004-08-04 Pelkistysainekoostumus
EP05775478A EP1786543A1 (en) 2004-08-04 2005-08-03 Reducing agent composition
PCT/FI2005/000350 WO2006013229A1 (en) 2004-08-04 2005-08-03 Reducing agent composition
US11/573,160 US7744837B2 (en) 2004-08-04 2005-08-03 Reducing Agent Composition
CA2576502A CA2576502C (en) 2004-08-04 2005-08-03 Reducing agent composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041057A FI117891B (fi) 2004-08-04 2004-08-04 Pelkistysainekoostumus
FI20041057 2004-08-04

Publications (3)

Publication Number Publication Date
FI20041057A0 FI20041057A0 (fi) 2004-08-04
FI20041057A true FI20041057A (fi) 2006-02-05
FI117891B FI117891B (fi) 2007-04-13

Family

ID=32922090

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20041057A FI117891B (fi) 2004-08-04 2004-08-04 Pelkistysainekoostumus

Country Status (5)

Country Link
US (1) US7744837B2 (fi)
EP (1) EP1786543A1 (fi)
CA (1) CA2576502C (fi)
FI (1) FI117891B (fi)
WO (1) WO2006013229A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008209405A (ja) * 2007-01-30 2008-09-11 Mitsui Mining & Smelting Co Ltd アンモニア発生量の測定方法およびアンモニア発生量の測定装置
FI120966B (fi) * 2007-02-15 2010-05-31 Kemira Oyj Menetelmä pelkistysainekoostumuksen valmistamiseksi
DE102008002357A1 (de) 2008-06-11 2009-12-17 Robert Bosch Gmbh Verfahren zur Nachbehandlung des Abgases einer Brennkraftmaschine
EP2153880A1 (en) * 2008-07-31 2010-02-17 Urea Casale S.A. Process and plant for the production of a urea solution for use in SCR process for reduction of Nox
US8661785B2 (en) * 2011-04-15 2014-03-04 Ford Global Technologies, Llc System and method for liquid reductant injection
CN102213126B (zh) * 2011-05-24 2013-02-06 辽宁润迪精细化工有限公司 一种低温尿素还原剂组合物
CN102213125A (zh) * 2011-05-24 2011-10-12 辽宁润迪精细化工有限公司 一种改善低温性能的尿素还原剂组合物
CN102213124B (zh) * 2011-05-24 2013-02-06 辽宁润迪精细化工有限公司 一种超低温尿素还原剂组合物
US8518354B2 (en) 2011-07-29 2013-08-27 Deere & Company Diesel exhaust fluid formulation having a high ammonium content and a low freezing point
EP2620213A1 (en) 2012-01-27 2013-07-31 Paul Scherrer Institut Catalyst for the conversion of liquid ammonia precursor solutions to gaseous ammonia avoiding the formation of undesired side products
US9387438B2 (en) 2014-02-14 2016-07-12 Tenneco Automotive Operating Company Inc. Modular system for reduction of sulphur oxides in exhaust
CN104128090A (zh) * 2014-08-03 2014-11-05 长春市永畅实业有限责任公司 一种满足车辆低温去除氮氧化物的还原剂
CN108404665A (zh) * 2018-02-02 2018-08-17 杨耀辉 车用尿素液及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB111936A (en) 1917-01-10 1917-12-20 Charles Hurst Ltd Improvements in Sparking Plugs for Internal Combustion Engines and the like.
GB1111936A (en) * 1966-01-28 1968-05-01 Distillers Co Yeast Ltd De-icer composition
JPH02203923A (ja) 1989-01-30 1990-08-13 Hitachi Zosen Corp 窒素酸化物の接触還元方法
US5116584A (en) * 1991-04-05 1992-05-26 Energy And Environmental Research Corporation Methods for enlarging the useful temperature window for NOx reduction in combustion systems
JP3992083B2 (ja) 1993-05-11 2007-10-17 バブコック日立株式会社 固体還元剤を用いる排煙脱硝方法および装置
JPH08323151A (ja) 1995-06-05 1996-12-10 Tokyo Gas Co Ltd ＮＯｘ含有排ガスの浄化方法
DE19728343C5 (de) * 1997-07-03 2013-02-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur selektiven katalytischen NOx-Reduktion
FI116897B (fi) * 2003-02-04 2006-03-31 Kemira Oyj Ammoniumformiaatin käyttö pelkistysprosessissa

Also Published As

Publication number Publication date
CA2576502A1 (en) 2006-02-09
US20090010829A1 (en) 2009-01-08
FI117891B (fi) 2007-04-13
EP1786543A1 (en) 2007-05-23
US7744837B2 (en) 2010-06-29
WO2006013229A1 (en) 2006-02-09
FI20041057A0 (fi) 2004-08-04
CA2576502C (en) 2013-01-29

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