AU5445598A - Selective catalytic no reduction utilizing urea without catalyst fouling - Google Patents

Selective catalytic no reduction utilizing urea without catalyst fouling

Info

Publication number
AU5445598A
AU5445598A AU54455/98A AU5445598A AU5445598A AU 5445598 A AU5445598 A AU 5445598A AU 54455/98 A AU54455/98 A AU 54455/98A AU 5445598 A AU5445598 A AU 5445598A AU 5445598 A AU5445598 A AU 5445598A
Authority
AU
Australia
Prior art keywords
selective catalytic
catalyst fouling
reduction utilizing
utilizing urea
urea
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU54455/98A
Inventor
Jeremy D. Peter-Hoblyn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clean Diesel Technologies Inc
Original Assignee
Clean Diesel Technologies Inc
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 Clean Diesel Technologies Inc filed Critical Clean Diesel Technologies Inc
Publication of AU5445598A publication Critical patent/AU5445598A/en
Abandoned legal-status Critical Current

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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—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
    • 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)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AU54455/98A 1996-11-20 1997-11-20 Selective catalytic no reduction utilizing urea without catalyst fouling Abandoned AU5445598A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US74935996A 1996-11-20 1996-11-20
US08749359 1996-11-20
PCT/US1997/021107 WO1998022209A1 (en) 1996-11-20 1997-11-20 SELECTIVE CATALYTIC NOx REDUCTION UTILIZING UREA WITHOUT CATALYST FOULING

Publications (1)

Publication Number Publication Date
AU5445598A true AU5445598A (en) 1998-06-10

Family

ID=25013418

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54455/98A Abandoned AU5445598A (en) 1996-11-20 1997-11-20 Selective catalytic no reduction utilizing urea without catalyst fouling

Country Status (2)

Country Link
AU (1) AU5445598A (en)
WO (1) WO1998022209A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9927563D0 (en) 1999-11-23 2000-01-19 Williamson Ian A process and method for blending a fuel containing a high molecular weight compound
US7829033B2 (en) * 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
US7090810B2 (en) 2000-12-01 2006-08-15 Fuel Tech Inc. Selective catalytic reduction of nox enabled by sidestream urea decomposition
JP4720054B2 (en) * 2001-09-11 2011-07-13 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP4262522B2 (en) * 2003-05-28 2009-05-13 株式会社日立ハイテクノロジーズ Exhaust gas treatment device for engine and exhaust gas treatment method
JP2006527815A (en) 2003-06-18 2006-12-07 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー Control method of reductant addition
JP2008196479A (en) 2007-02-09 2008-08-28 Sulzer Chemtech Ag Exhaust gas cleaning system
FR2918294B1 (en) * 2007-07-02 2009-10-09 Lab Sa Sa PROCESS FOR PURIFYING COMBUSTION FUMEES CONTAINING NITROGEN OXIDES
US7966812B2 (en) 2007-08-29 2011-06-28 Ford Global Technologies, Llc Multi-stage regeneration of particulate filter
FI124227B (en) 2011-08-17 2014-05-15 Wärtsilä Finland Oy The method of operating the internal combustion engine and the arrangement of the internal combustion engine
US9511355B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) System and methods for using synergized PGM as a three-way catalyst
US9511350B2 (en) 2013-05-10 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) ZPGM Diesel Oxidation Catalysts and methods of making and using same
US9511353B2 (en) 2013-03-15 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) Firing (calcination) process and method related to metallic substrates coated with ZPGM catalyst
US9771534B2 (en) 2013-06-06 2017-09-26 Clean Diesel Technologies, Inc. (Cdti) Diesel exhaust treatment systems and methods
US9545626B2 (en) 2013-07-12 2017-01-17 Clean Diesel Technologies, Inc. Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate
US9511358B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. Spinel compositions and applications thereof
US9579604B2 (en) 2014-06-06 2017-02-28 Clean Diesel Technologies, Inc. Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications
US9731279B2 (en) 2014-10-30 2017-08-15 Clean Diesel Technologies, Inc. Thermal stability of copper-manganese spinel as Zero PGM catalyst for TWC application
US9700841B2 (en) 2015-03-13 2017-07-11 Byd Company Limited Synergized PGM close-coupled catalysts for TWC applications
US9951706B2 (en) 2015-04-21 2018-04-24 Clean Diesel Technologies, Inc. Calibration strategies to improve spinel mixed metal oxides catalytic converters
DE102016204770A1 (en) * 2016-03-22 2017-09-28 Kautex Textron Gmbh & Co. Kg Deaeration and / or ventilation valve for an operating fluid tank
US10533472B2 (en) 2016-05-12 2020-01-14 Cdti Advanced Materials, Inc. Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion engines
US9861964B1 (en) 2016-12-13 2018-01-09 Clean Diesel Technologies, Inc. Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applications
DE102017203745A1 (en) 2017-03-07 2018-09-13 Mtu Friedrichshafen Gmbh Mixing device for introducing a liquid into an exhaust gas stream and internal combustion engine with such a mixing device
US10265684B2 (en) 2017-05-04 2019-04-23 Cdti Advanced Materials, Inc. Highly active and thermally stable coated gasoline particulate filters

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900554A (en) * 1973-03-16 1975-08-19 Exxon Research Engineering Co Method for the reduction of the concentration of no in combustion effluents using ammonia
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
JPS5915022B2 (en) * 1976-03-26 1984-04-07 株式会社日立製作所 Catalyst for removing nitrogen oxides from exhaust gas
US4393031A (en) * 1979-02-22 1983-07-12 Werner Henke Process for efficiently removing oxides of nitrogen from exhaust gas
US5057293A (en) * 1987-02-13 1991-10-15 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
US5266083A (en) * 1988-12-28 1993-11-30 Platinum Plus, Inc. Method for reducing pollution emissions from a diesel engine
US5139754A (en) * 1989-09-12 1992-08-18 Fuel Tech, Inc. Catalytic/non-catalytic combination process for nitrogen oxides reduction
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide
US5281403B1 (en) * 1991-09-27 1996-06-11 Noell Inc Method for converting urea to ammonia
CA2088713C (en) * 1992-02-24 1999-11-16 Hans Thomas Hug Cleaning exhaust gases from combustion installations
US5489419A (en) * 1992-10-13 1996-02-06 Nalco Fuel Tech Process for pollution control

Also Published As

Publication number Publication date
WO1998022209A1 (en) 1998-05-28

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