DE69831661D1 - VERMINDERUNG VON NOx EMISSIONEN AUS EINEM MOTOR DURCH TEMPERATURGEFÜHRTE HARNSTOFFEINSPRITZUNG - Google Patents
VERMINDERUNG VON NOx EMISSIONEN AUS EINEM MOTOR DURCH TEMPERATURGEFÜHRTE HARNSTOFFEINSPRITZUNGInfo
- Publication number
- DE69831661D1 DE69831661D1 DE69831661T DE69831661T DE69831661D1 DE 69831661 D1 DE69831661 D1 DE 69831661D1 DE 69831661 T DE69831661 T DE 69831661T DE 69831661 T DE69831661 T DE 69831661T DE 69831661 D1 DE69831661 D1 DE 69831661D1
- Authority
- DE
- Germany
- Prior art keywords
- urea
- feed
- hydrolysis
- nox emissions
- injection
- 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.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 title abstract 4
- 239000007924 injection Substances 0.000 title abstract 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 4
- 239000004202 carbamide Substances 0.000 abstract 4
- 230000007062 hydrolysis Effects 0.000 abstract 3
- 238000006460 hydrolysis reaction Methods 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
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- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
-
- 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
- B01D53/90—Injecting reactants
-
- 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
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- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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]
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- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/36—Arrangements for supply of additional fuel
-
- 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
- F01N2240/02—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 heat exchanger
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- 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
- F01N2240/16—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 electric heater, i.e. a resistance heater
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
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- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
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- 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
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1811—Temperature
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- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1814—Tank level
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- 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
-
- 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
- Y02T10/40—Engine management systems
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US831209 | 1997-04-02 | ||
US08/831,209 US5976475A (en) | 1997-04-02 | 1997-04-02 | Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction |
PCT/US1998/006325 WO1998043732A1 (en) | 1997-04-02 | 1998-03-31 | REDUCING NOx EMISSIONS FROM AN ENGINE BY TEMPERATURE-CONTROLLED UREA INJECTION |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69831661D1 true DE69831661D1 (de) | 2006-02-02 |
DE69831661T2 DE69831661T2 (de) | 2006-05-04 |
Family
ID=25258542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69831661T Expired - Lifetime DE69831661T2 (de) | 1997-04-02 | 1998-03-31 | VERMINDERUNG VON NOx EMISSIONEN AUS EINEM MOTOR DURCH TEMPERATURGEFÜHRTE HARNSTOFFEINSPRITZUNG |
Country Status (13)
Country | Link |
---|---|
US (1) | US5976475A (de) |
EP (1) | EP0975417B1 (de) |
JP (1) | JP4204647B2 (de) |
KR (1) | KR100535784B1 (de) |
CN (1) | CN1124176C (de) |
AT (1) | ATE304893T1 (de) |
AU (1) | AU6790498A (de) |
BR (1) | BR9808459B1 (de) |
CA (1) | CA2285545C (de) |
DE (1) | DE69831661T2 (de) |
DK (1) | DK0975417T3 (de) |
ES (1) | ES2245479T3 (de) |
WO (1) | WO1998043732A1 (de) |
Families Citing this family (177)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10020170C1 (de) * | 2000-04-25 | 2001-09-06 | Emitec Emissionstechnologie | Verfahren zum Entfernen von Rußpartikeln aus einem Abgas und zugehöriges Auffangelement |
US6063350A (en) * | 1997-04-02 | 2000-05-16 | Clean Diesel Technologies, Inc. | Reducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reduction |
JPH11171535A (ja) * | 1997-12-05 | 1999-06-29 | Mitsubishi Heavy Ind Ltd | アンモニア発生方法及び排ガス処理方法 |
US6279603B1 (en) * | 1998-10-01 | 2001-08-28 | Ambac International | Fluid-cooled injector |
AU2156000A (en) * | 1998-11-23 | 2000-06-13 | Mobil Oil Corporation | Liquid urea exhaust gas treatment additive |
EP1016446B1 (de) * | 1998-12-28 | 2004-06-30 | Miyoshi Yushi Kabushiki Kaisha | Verfahren zur Behandlung von Rauchgas |
DE19913462A1 (de) * | 1999-03-25 | 2000-09-28 | Man Nutzfahrzeuge Ag | Verfahren zur thermischen Hydrolyse und Dosierung von Harnstoff bzw. wässriger Harnstofflösung in einem Reaktor |
DE19919472C2 (de) * | 1999-04-29 | 2001-04-19 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Detektion von Ammoniak |
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 |
DE19947198B4 (de) * | 1999-10-01 | 2008-05-15 | Robert Bosch Gmbh | Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine |
US6363771B1 (en) * | 1999-11-24 | 2002-04-02 | Caterpillar Inc. | Emissions diagnostic system |
US6315969B1 (en) * | 2000-02-18 | 2001-11-13 | Mitsubishi Heavy Industries America, Inc. | Gas re-circulation selective catalytic reduction system with heat trace |
US6606856B1 (en) | 2000-03-03 | 2003-08-19 | The Lubrizol Corporation | Process for reducing pollutants from the exhaust of a diesel engine |
SE516624C2 (sv) * | 2000-06-14 | 2002-02-05 | Volvo Lastvagnar Ab | Anordning för insprutning av urea i ett turbinhus i ett avgassystem |
US20030084658A1 (en) | 2000-06-20 | 2003-05-08 | Brown Kevin F | Process for reducing pollutants from the exhaust of a diesel engine using a water diesel fuel in combination with exhaust after-treatments |
DE10047531A1 (de) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Vorrichtung zur Dosierung eines Reduktionsmittels |
DE10047516A1 (de) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen |
US6662951B1 (en) * | 2000-09-27 | 2003-12-16 | Basic Resources, Inc. | Process for extracting and purifying naturally occurring zeolite |
US6436359B1 (en) | 2000-10-25 | 2002-08-20 | Ec&C Technologies, Inc. | Method for controlling the production of ammonia from urea for NOx scrubbing |
US7829033B2 (en) * | 2003-07-03 | 2010-11-09 | Fuel Tech, Inc. | Selective catalytic reduction of NOx enabled by sidestream urea decomposition |
DE10100682A1 (de) * | 2001-01-09 | 2002-07-11 | Bosch Gmbh Robert | Verfahren zur Aufheizung eines Katalysators bei Verbrennungsmotoren mit Benzindirekteinspritzung |
US6776606B2 (en) | 2001-03-02 | 2004-08-17 | Emmissions Technology, Llc | Method for oxidizing mixtures |
US6786714B2 (en) | 2001-04-12 | 2004-09-07 | James W. Haskew | Delivery system for liquid catalysts |
DE10154421A1 (de) * | 2001-11-06 | 2003-05-22 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Verminderung von Stickoxiden eines Abgases |
US20030226312A1 (en) * | 2002-06-07 | 2003-12-11 | Roos Joseph W. | Aqueous additives in hydrocarbonaceous fuel combustion systems |
US6887284B2 (en) * | 2002-07-12 | 2005-05-03 | Dannie B. Hudson | Dual homogenization system and process for fuel oil |
US6810661B2 (en) | 2002-08-09 | 2004-11-02 | Ford Global Technologies, Llc | Method and system for freeze protecting liquid NOx reductants for vehicle application |
GB0220645D0 (en) | 2002-09-05 | 2002-10-16 | Johnson Matthey Plc | Exhaust system for a lean burn ic engine |
US6971337B2 (en) | 2002-10-16 | 2005-12-06 | Ethyl Corporation | Emissions control system for diesel fuel combustion after treatment system |
US20040074140A1 (en) * | 2002-10-16 | 2004-04-22 | Guinther Gregory H. | Method of enhancing the operation of a diesel fuel combustion after treatment system |
US20040083721A1 (en) * | 2002-11-06 | 2004-05-06 | Ford Global Technologies, Inc. | Diesel aftertreatment systems |
US6865881B2 (en) * | 2002-11-18 | 2005-03-15 | Diesel & Combustion Technologies, Llc | System and method for reducing nitrogen oxides in combustion exhaust streams |
US6941746B2 (en) * | 2002-11-21 | 2005-09-13 | Combustion Components Associates, Inc. | Mobile diesel selective catalytic reduction systems and methods |
US6761025B1 (en) | 2002-12-19 | 2004-07-13 | Caterpillar Inc. | Enhanced ammonia feed control for selective catalytic reduction |
US7257945B2 (en) * | 2003-02-10 | 2007-08-21 | U T Battelle, Llc | Stripping ethanol from ethanol-blended fuels for use in NOx SCR |
WO2004092651A2 (en) * | 2003-04-14 | 2004-10-28 | Haskew James W | Method and system for increasing fuel economy in carbon-based fuel combustion processes |
US6898929B2 (en) * | 2003-06-25 | 2005-05-31 | Daimlerchrysler Corporation | Method and apparatus for supplying a reductant to an engine exhaust treatment system |
DE10332114A1 (de) * | 2003-07-09 | 2005-01-27 | Robert Bosch Gmbh | Gekühlte Vorrichtung zur Dosierung von Reduktionsmittel zum Abgas eines Verbrennungsmotors |
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-
1997
- 1997-04-02 US US08/831,209 patent/US5976475A/en not_active Expired - Lifetime
-
1998
- 1998-03-31 AT AT98913326T patent/ATE304893T1/de active
- 1998-03-31 KR KR10-1999-7008988A patent/KR100535784B1/ko not_active IP Right Cessation
- 1998-03-31 BR BRPI9808459-3A patent/BR9808459B1/pt not_active IP Right Cessation
- 1998-03-31 EP EP98913326A patent/EP0975417B1/de not_active Expired - Lifetime
- 1998-03-31 DK DK98913326T patent/DK0975417T3/da active
- 1998-03-31 AU AU67904/98A patent/AU6790498A/en not_active Abandoned
- 1998-03-31 CN CN98805246A patent/CN1124176C/zh not_active Expired - Lifetime
- 1998-03-31 WO PCT/US1998/006325 patent/WO1998043732A1/en active IP Right Grant
- 1998-03-31 DE DE69831661T patent/DE69831661T2/de not_active Expired - Lifetime
- 1998-03-31 CA CA002285545A patent/CA2285545C/en not_active Expired - Lifetime
- 1998-03-31 ES ES98913326T patent/ES2245479T3/es not_active Expired - Lifetime
- 1998-03-31 JP JP54192398A patent/JP4204647B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU6790498A (en) | 1998-10-22 |
CN1257435A (zh) | 2000-06-21 |
CA2285545C (en) | 2007-02-13 |
DE69831661T2 (de) | 2006-05-04 |
EP0975417A1 (de) | 2000-02-02 |
BR9808459A (pt) | 2000-05-23 |
BR9808459B1 (pt) | 2009-08-11 |
CN1124176C (zh) | 2003-10-15 |
EP0975417A4 (de) | 2000-02-02 |
JP4204647B2 (ja) | 2009-01-07 |
KR100535784B1 (ko) | 2005-12-12 |
JP2001518830A (ja) | 2001-10-16 |
ATE304893T1 (de) | 2005-10-15 |
EP0975417B1 (de) | 2005-09-21 |
ES2245479T3 (es) | 2006-01-01 |
KR20010005911A (ko) | 2001-01-15 |
WO1998043732A1 (en) | 1998-10-08 |
DK0975417T3 (da) | 2006-01-16 |
CA2285545A1 (en) | 1998-10-08 |
US5976475A (en) | 1999-11-02 |
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Owner name: CLEAN DIESEL TECHNOLOGIES INC., BRIDGEPORT, CO, US |