DE69130115T2 - Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid - Google Patents

Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid

Info

Publication number
DE69130115T2
DE69130115T2 DE69130115T DE69130115T DE69130115T2 DE 69130115 T2 DE69130115 T2 DE 69130115T2 DE 69130115 T DE69130115 T DE 69130115T DE 69130115 T DE69130115 T DE 69130115T DE 69130115 T2 DE69130115 T2 DE 69130115T2
Authority
DE
Germany
Prior art keywords
oxide
distroxide
thermal decomposition
effluent
temperature
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 - Fee Related
Application number
DE69130115T
Other languages
English (en)
Other versions
DE69130115D1 (de
Inventor
John Hofmann
William Sun
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.)
Amec Foster Wheeler Energia Oy
Original Assignee
Foster Wheeler Energia Oy
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 Foster Wheeler Energia Oy filed Critical Foster Wheeler Energia Oy
Publication of DE69130115D1 publication Critical patent/DE69130115D1/de
Application granted granted Critical
Publication of DE69130115T2 publication Critical patent/DE69130115T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00—Fluidised bed combustion
    • F23C2206/10—Circulating fluidised bed
    • F23C2206/101—Entrained or fast fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • F23J2215/101—Nitrous oxide (N2O)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Catalysts (AREA)
DE69130115T 1990-12-27 1991-12-23 Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid Expired - Fee Related DE69130115T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07634402 US5048432B1 (en) 1990-12-27 1990-12-27 Process and apparatus for the thermal decomposition of nitrous oxide
PCT/US1991/009738 WO1992012382A1 (en) 1990-12-27 1991-12-23 Process and apparatus for the thermal decomposition of nitrous oxide

Publications (2)

Publication Number Publication Date
DE69130115D1 DE69130115D1 (de) 1998-10-08
DE69130115T2 true DE69130115T2 (de) 1999-05-12

Family

ID=24543636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130115T Expired - Fee Related DE69130115T2 (de) 1990-12-27 1991-12-23 Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid

Country Status (7)

Country Link
US (1) US5048432B1 (de)
EP (1) EP0564550B1 (de)
AT (1) ATE170614T1 (de)
CA (1) CA2097914A1 (de)
DE (1) DE69130115T2 (de)
DK (1) DK0564550T3 (de)
WO (1) WO1992012382A1 (de)

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US5133950A (en) * 1990-04-17 1992-07-28 A. Ahlstrom Corporation Reducing N2 O emissions when burning nitrogen-containing fuels in fluidized bed reactors
DE4102959A1 (de) * 1991-02-01 1992-08-13 Metallgesellschaft Ag Verfahren zum verbrennen von kohle in der zirkulierenden wirbelschicht
US5270025A (en) * 1991-04-05 1993-12-14 Energy & Environmental Research Corp. Methods for controlling N2 O emissions and for the reduction of NO.sub.x emissions in combustion systems while controlling N2 O emissions
US5378443A (en) * 1992-01-03 1995-01-03 A. Ahlstrom Corporation Method for reducing emissions when burning nitrogen containing fuels
US5178101A (en) * 1992-03-09 1993-01-12 Radian Corporation Low NOx combustion process and system
US5634329A (en) * 1992-04-30 1997-06-03 Abb Carbon Ab Method of maintaining a nominal working temperature of flue gases in a PFBC power plant
DE4235412A1 (de) * 1992-10-21 1994-04-28 Metallgesellschaft Ag Verfahren zum Vergasen von brennbare Bestandteile enthaltenden Abfallstoffen
US5345883A (en) * 1992-12-31 1994-09-13 Combustion Engineering, Inc. Reactivation of sorbent in a fluid bed boiler
US5326536A (en) * 1993-04-30 1994-07-05 The Babcock & Wilcox Company Apparatus for injecting NOx inhibiting liquid reagent into the flue gas of a boiler in response to a sensed temperature
US5547650A (en) * 1994-03-24 1996-08-20 The Regents Of The University Of California Process for removal of oxides of nitrogen
US5465690A (en) * 1994-04-12 1995-11-14 A. Ahlstrom Corporation Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler
US5681536A (en) * 1996-05-07 1997-10-28 Nebraska Public Power District Injection lance for uniformly injecting anhydrous ammonia and air into a boiler cavity
US5985222A (en) * 1996-11-01 1999-11-16 Noxtech, Inc. Apparatus and method for reducing NOx from exhaust gases produced by industrial processes
DE69717240D1 (de) 1996-12-30 2003-01-02 Alstom Power Inc Verfahren zur Kontrolle von Stickoxiden bei einem Dampferzeuger mit zirkulierender Wirbelschicht
US6048510A (en) * 1997-09-30 2000-04-11 Coal Tech Corporation Method for reducing nitrogen oxides in combustion effluents
US8449288B2 (en) * 2003-03-19 2013-05-28 Nalco Mobotec, Inc. Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)
US7670569B2 (en) * 2003-06-13 2010-03-02 Mobotec Usa, Inc. Combustion furnace humidification devices, systems & methods
US7537743B2 (en) * 2004-02-14 2009-05-26 Mobotec Usa, Inc. Method for in-furnace regulation of SO3 in catalytic NOx reducing systems
US8251694B2 (en) * 2004-02-14 2012-08-28 Nalco Mobotec, Inc. Method for in-furnace reduction flue gas acidity
FR2887322B1 (fr) * 2005-06-15 2007-08-03 Alstom Technology Ltd Dispositif a lit fluidise circulant pourvu d'un foyer de combustion a l'oxygene
US7410356B2 (en) 2005-11-17 2008-08-12 Mobotec Usa, Inc. Circulating fluidized bed boiler having improved reactant utilization
US8069824B2 (en) * 2008-06-19 2011-12-06 Nalco Mobotec, Inc. Circulating fluidized bed boiler and method of operation
JP5417753B2 (ja) * 2008-07-11 2014-02-19 株式会社Ｉｈｉ 循環流動層ガス化炉
FR2944316A3 (fr) * 2009-04-10 2010-10-15 Renault Sas Procede de diminution du protoxyde d'azote des gaz d'echappement de vehicule automobile
US20110265697A1 (en) * 2010-04-29 2011-11-03 Foster Wheeler North America Corp. Circulating Fluidized Bed Combustor and a Method of Operating a Circulating Fluidized Bed Combustor
US10653996B1 (en) * 2019-05-13 2020-05-19 The Babcock & Wilcox Company Selective non-catalytic reduction (SNCR) of NOx in fluidized bed combustion reactors

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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
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
US4325924A (en) * 1977-10-25 1982-04-20 Electric Power Research Institute, Inc. Urea reduction of NOx in fuel rich combustion effluents
US4719092A (en) * 1985-10-04 1988-01-12 Fuel Tech, Inc. Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents
DE238654T1 (de) * 1985-10-04 1988-02-04 Fuel Tech, Inc., Stamford, Conn. Verminderung der stickstoff- und kohlenstoffhaltigen schadstoffe mittels harnstoffloesungen.
US4844878A (en) * 1985-10-04 1989-07-04 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
US4927612A (en) * 1985-10-04 1990-05-22 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants
US4751065A (en) * 1985-12-20 1988-06-14 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants
DE3539001C1 (de) * 1985-11-02 1986-09-11 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Verfahren zur Minderung des Gehaltes an Stickoxiden im Rauchgasstrom eines Kraftwerkskessels mit Rauchgasreinigungsanlage
US4863704A (en) * 1987-03-06 1989-09-05 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt
US4902488A (en) * 1987-05-14 1990-02-20 Fuel Tech, Inc. Process for nitrogen oxides reduction with minimization of the production of other pollutants
US4877591A (en) * 1987-03-13 1989-10-31 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent using sugar
US4770863A (en) * 1987-02-13 1988-09-13 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
US4777024A (en) * 1987-03-06 1988-10-11 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
US4863705A (en) * 1987-09-23 1989-09-05 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
US4803059A (en) * 1987-04-15 1989-02-07 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbon
WO1989002780A2 (en) * 1987-03-06 1989-04-06 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
US4888165A (en) * 1987-03-13 1989-12-19 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbon
US4779545A (en) * 1988-02-24 1988-10-25 Consolidated Natural Gas Service Company Apparatus and method of reducing nitrogen oxide emissions
AU3579389A (en) * 1988-04-29 1989-11-24 Fuel Tech. Inc. Composition for introduction into a high temperature environment
US4873066A (en) * 1988-06-15 1989-10-10 Fuel Tech, Inc. Low temperature process for the reduction of nitrgen oxides in an effluent
SE466814B (sv) * 1989-06-01 1992-04-06 Kvaerner Generator Ab Anordning foer nedbrytande av gaser alstrade vid foerbraenning vid ungefaer 850 grader c av fasta braenslen i en fluidbaedd
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide
US5043150A (en) * 1990-04-17 1991-08-27 A. Ahlstrom Corporation Reducing emissions of N2 O when burning nitrogen containing fuels in fluidized bed reactors

Also Published As

Publication number Publication date
WO1992012382A1 (en) 1992-07-23
EP0564550B1 (de) 1998-09-02
US5048432A (en) 1991-09-17
US5048432B1 (en) 1996-07-02
ATE170614T1 (de) 1998-09-15
DE69130115D1 (de) 1998-10-08
DK0564550T3 (da) 1999-05-31
CA2097914A1 (en) 1992-06-27
EP0564550A4 (en) 1993-12-29
EP0564550A1 (de) 1993-10-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee