ATE170614T1 - Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid - Google Patents

Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid

Info

Publication number
ATE170614T1
ATE170614T1 AT92902793T AT92902793T ATE170614T1 AT E170614 T1 ATE170614 T1 AT E170614T1 AT 92902793 T AT92902793 T AT 92902793T AT 92902793 T AT92902793 T AT 92902793T AT E170614 T1 ATE170614 T1 AT E170614T1
Authority
AT
Austria
Prior art keywords
thermal decomposition
dinitrogen oxide
effluent
temperature
oxide
Prior art date
Application number
AT92902793T
Other languages
English (en)
Inventor
John E Hofmann
William H Sun
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
Application granted granted Critical
Publication of ATE170614T1 publication Critical patent/ATE170614T1/de

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)
  • Catalysts (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
AT92902793T 1990-12-27 1991-12-23 Verfahren und vorrichtung zur thermischen zersetzung von distickstoffoxid ATE170614T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE170614T1 true ATE170614T1 (de) 1998-09-15

Family

ID=24543636

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92902793T ATE170614T1 (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
ATE228225T1 (de) 1996-12-30 2002-12-15 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
US8251694B2 (en) * 2004-02-14 2012-08-28 Nalco Mobotec, Inc. Method for in-furnace reduction flue gas acidity
US7537743B2 (en) * 2004-02-14 2009-05-26 Mobotec Usa, Inc. Method for in-furnace regulation of SO3 in catalytic NOx reducing systems
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
US4844878A (en) * 1985-10-04 1989-07-04 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
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US4863705A (en) * 1987-09-23 1989-09-05 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
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
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
US4770863A (en) * 1987-02-13 1988-09-13 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
US4777024A (en) * 1987-03-06 1988-10-11 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
DE3880484T2 (de) * 1987-03-06 1993-08-05 Fuel Tech Inc Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom.
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
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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
US5048432B1 (en) 1996-07-02
US5048432A (en) 1991-09-17
EP0564550A1 (de) 1993-10-13
DE69130115D1 (de) 1998-10-08
DE69130115T2 (de) 1999-05-12
CA2097914A1 (en) 1992-06-27
DK0564550T3 (da) 1999-05-31
EP0564550A4 (en) 1993-12-29

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