AU2434597A - Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr - Google Patents
Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scrInfo
- Publication number
- AU2434597A AU2434597A AU24345/97A AU2434597A AU2434597A AU 2434597 A AU2434597 A AU 2434597A AU 24345/97 A AU24345/97 A AU 24345/97A AU 2434597 A AU2434597 A AU 2434597A AU 2434597 A AU2434597 A AU 2434597A
- Authority
- AU
- Australia
- Prior art keywords
- diesel engine
- urea injection
- harmful emissions
- reducing harmful
- scr
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/08—Preparation of ammonia from nitrogenous organic substances
- C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
-
- 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
- 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
- B01D53/9495—Controlling the catalytic process
-
- 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]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- 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
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/25—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an ammonia generator
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/40—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a hydrolysis catalyst
-
- 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
-
- 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
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
-
- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- 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)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62678096A | 1996-04-02 | 1996-04-02 | |
US08626780 | 1996-04-02 | ||
PCT/US1997/005468 WO1997036676A1 (en) | 1996-04-02 | 1997-04-02 | Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2434597A true AU2434597A (en) | 1997-10-22 |
Family
ID=24511824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU24345/97A Abandoned AU2434597A (en) | 1996-04-02 | 1997-04-02 | Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2434597A (en) |
WO (1) | WO1997036676A1 (en) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9802504D0 (en) * | 1998-02-06 | 1998-04-01 | Johnson Matthey Plc | Improvements in emission control |
US8833062B1 (en) | 2013-03-15 | 2014-09-16 | Daimier Ag | Catalytic reduction of NOx |
DE19813722C1 (en) * | 1998-03-27 | 2000-03-23 | Siemens Ag | Method and device for the catalytic reduction of nitrogen oxides in the exhaust gas of an incineration plant |
WO1999056858A2 (en) * | 1998-04-30 | 1999-11-11 | Siemens Aktiengesellschaft | Method and device for catalytic reduction of nitrogen oxide |
DE19922959A1 (en) * | 1999-05-19 | 2000-11-23 | Daimler Chrysler Ag | Exhaust gas cleaning system with nitrogen oxide reduction with addition of reducing agent |
CA2375456A1 (en) * | 1999-06-09 | 2000-12-14 | Clean Diesel Technologies, Inc. | Methods and compositions for assuring reduction of nox emissions from an engine by selective catalytic reduction |
DE10138111A1 (en) * | 2001-08-03 | 2003-02-27 | Bosch Gmbh Robert | Device for the thermal conditioning and feeding of a thermally and / or chemically active agent into an exhaust gas cleaning system |
US6722123B2 (en) | 2001-10-17 | 2004-04-20 | Fleetguard, Inc. | Exhaust aftertreatment device, including chemical mixing and acoustic effects |
DE10342003A1 (en) * | 2003-09-05 | 2005-03-31 | Robert Bosch Gmbh | Apparatus for processing a reducing agent precursor solution for exhaust aftertreatment |
JP2005105970A (en) * | 2003-09-30 | 2005-04-21 | Nissan Diesel Motor Co Ltd | Exhaust emission control device of engine |
JP4161903B2 (en) * | 2003-12-25 | 2008-10-08 | トヨタ自動車株式会社 | Exhaust gas purification device |
JP2008530446A (en) * | 2005-02-16 | 2008-08-07 | アイエムアイ・ビジョン・リミテッド | Exhaust gas treatment |
WO2006087553A1 (en) * | 2005-02-16 | 2006-08-24 | Imi Vision Limited | Exhaust as treatment |
EP1853374A1 (en) * | 2005-02-16 | 2007-11-14 | Imi Vision Limited | Exhaust gas treatment |
US7581387B2 (en) | 2005-02-28 | 2009-09-01 | Caterpillar Inc. | Exhaust gas mixing system |
DE102005045029A1 (en) | 2005-09-22 | 2007-03-29 | Man Nutzfahrzeuge Ag | Internal combustion engine charged by exhaust gas turbocharger with an exhaust gas line with SCR catalyst (s) |
JP2008196479A (en) | 2007-02-09 | 2008-08-28 | Sulzer Chemtech Ag | Exhaust gas cleaning system |
DE102007022678A1 (en) * | 2007-05-11 | 2008-11-13 | Hydraulik-Ring Gmbh | Ammonia based exhaust gas re-treatment unit feeds gaseous ammonia directly into exhaust gas flow of internal combustion, preferably diesel, engine; exhaust gas flows through exhaust tract free of urea-water vapor and urea-water solution |
EP3473825A1 (en) * | 2008-06-27 | 2019-04-24 | Umicore Ag & Co. Kg | Method and device for cleaning diesel exhaust gases |
US8448424B2 (en) | 2009-01-16 | 2013-05-28 | Ford Global Technologies, Llc. | Emission control system with an integrated particulate filter and selective catalytic reduction unit |
US20110064632A1 (en) * | 2009-09-14 | 2011-03-17 | Ford Global Technologies, Llc | Staged Catalyst System and Method of Using the Same |
US9511350B2 (en) | 2013-05-10 | 2016-12-06 | Clean Diesel Technologies, Inc. (Cdti) | ZPGM Diesel Oxidation Catalysts and methods of making and using same |
US8850802B1 (en) | 2013-03-15 | 2014-10-07 | Daimler Ag | Catalytic reduction of NOx |
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 |
US20140274662A1 (en) | 2013-03-15 | 2014-09-18 | Cdti | Systems and Methods for Variations of ZPGM Oxidation Catalysts Compositions |
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 |
CN106413858A (en) | 2014-06-06 | 2017-02-15 | 克林迪塞尔技术公司 | Rhodium-iron catalysts |
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 |
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 |
US10265684B2 (en) | 2017-05-04 | 2019-04-23 | Cdti Advanced Materials, Inc. | Highly active and thermally stable coated gasoline particulate filters |
MX2019015129A (en) | 2017-06-16 | 2020-02-07 | Watlow Electric Mfg | Temperature-based control of reagent distribution. |
WO2019207134A1 (en) | 2018-04-27 | 2019-10-31 | Plastic Omnium Advanced Innovation And Research | Two-energy heating device for aqueous product reservoir |
FR3080653B1 (en) | 2018-04-27 | 2020-11-06 | Plastic Omnium Advanced Innovation & Res | BI-ENERGY HEATING DEVICE FOR AQUEOUS PRODUCTS TANK |
CN108620078B (en) * | 2018-05-09 | 2022-01-04 | 淄博鹏达环保科技有限公司 | Catalyst, preparation method of catalyst and method for denitration of coal combustion high-temperature flue gas |
Family Cites Families (12)
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 |
-
1997
- 1997-04-02 AU AU24345/97A patent/AU2434597A/en not_active Abandoned
- 1997-04-02 WO PCT/US1997/005468 patent/WO1997036676A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1997036676A1 (en) | 1997-10-09 |
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