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Method for NO.sub.x reduction by upper furnace injection of solutions of fixed nitrogen in water 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01B-021/00
출원번호 US-0036824 (1998-03-09)
발명자 / 주소
  • Breen Bernard P.
  • Glickert Roger W.
  • Gabrielson James E.
  • Bionda John P.
  • Hallo Anthony
  • Gretz Gerard F.
출원인 / 주소
  • Duquesne Light Company
대리인 / 주소
    Buchanan Ingersoll, P.C.
인용정보 피인용 횟수 : 17  인용 특허 : 11

초록

In a method of reducing NO.sub.x a water-fixed nitrogen solution is injected into a furnace near the exit from the furnace where the temperatures exceed 2000.degree. F. and combustion is occurring. Preferably the solution is injected through a combination of atomizing nozzles and spray jets into a r

대표청구항

[ We claim:] [1.] An in-furnace method of reducing nitrogen oxides in the flue gas comprising the step of injecting a solution into a region of a furnace where temperatures exceed 2000.degree. F. and combustion is occurring, the solution containing at least one nitrogen containing compound in water,

이 특허에 인용된 특허 (11)

  1. Breen Bernard P. (Pittsburgh PA) Winberg Steven E. (Pittsburgh PA) Gabrielson James E. (Plymouth MN) McMichael James C. (Monroeville PA), Apparatus and method of lowering NOx emissions using diffusion processes.
  2. Breen Bernard P. (Laguna Beach CA) Gabrielson James E. (Plymount MN) Lange Howard B. (San Clemente CA), Apparatus and method of reducing nitrogen oxide emissions.
  3. Breen Bernard P. (Pittsburgh PA) Gabrielson James E. (Plymouth MN), Apparatus and process for control of nitric oxide emissions from combustion devices using vortex rings and the like.
  4. Amrhein Gerald T. (Louisville OH) Vecci Stanley J. (Alliance OH) Rackley John M. (Alliance OH), Furnace ammonia and limestone injection with dry scrubbing for improved simultaneous SOX and NO.
  5. Breen Bernard P. ; Gabrielson James E. ; Cavello Joseph, Method and apparatus for nox reduction by upper furnace injection of coal water slurry.
  6. Breen Bernard P. (Laguna Beach CA) Gabrielson James E. (Plymouth MN) Pohl John H. (Mission Viejo CA), Method to enhance removal of sulfur compounds by slag.
  7. Hura Harjit S. ; Breen Bernard P., Nitrogen oxide reduction by gaseous fuel injection in low temperature, overall fuel-lean flue gas.
  8. Breen Bernard P. (Pittsburgh PA) Gabrielson James E. (Plymouth MN), Process for reducng Nox emissions from combustion devices.
  9. Bowers Wayne E. (Clearwater FL), Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions.
  10. Guibelin Eric (Livry-Gargan FRX) Valette Yves (Orsay FRX), System for injecting slurry to be incinerated into an incineration furnace, corresponding operating procedure, use and f.
  11. Arand John K. (Rancho Palos Verdes CA) Muzio Lawrence J. (Laguna Niguel CA) Sotter John G. (Mission Viejo CA), Urea reduction of NOx in combustion effluents.

이 특허를 인용한 특허 (17)

  1. Shijo, Rikuma; Sakata, Nobuyasu; Kushioka, Kiyonori; Murakami, Moritoshi; Ukai, Nobuyuki, Air pollution control device and method for reducing amount of mercury in flue gas.
  2. Bool, III, Lawrence E.; Kobayashi, Hisashi, Combustion in a multiburner furnace with selective flow of oxygen.
  3. Kobayashi, Hisashi; Bool, III, Lawrence E., Combustion with reduced carbon in the ash.
  4. Breen, Bernard P.; Gabrielson, James E.; Eden, David, Detection, measurement and control of ammonia in flue gas.
  5. Kiss Gunter H.,CHX, Device for carrying out high-temperature recycling of heterogenously occurring waste and process for charging thereof.
  6. Kobayashi, Hisashi; Wu, Kuang Tsai; Bool, III, Lawrence E., Enhancing SNCR-aided combustion with oxygen addition.
  7. Kobayashi,Hisashi; Bool, III,Lawrence E., Low NOx combustion.
  8. Kobayashi,Hisashi; Bool, III,Lawrence E., Low NOx combustion.
  9. Kobayashi,Hisashi; Bool,Lawrence E.; Snyder,William J., Low NOx combustion using cogenerated oxygen and nitrogen streams.
  10. Bernard P. Breen ; Jeffrey J. Sweterlitsch ; James E. Gabrielson, Method for NOx reduction by upper furnace injection of biofuel water slurry.
  11. Ronald L. W. Holmes ; Frank A. Hultgren, Method for reducing CO and VOC's in steelmaking furnace off-gas stream without forming or exhausting undesirable products.
  12. Payson Edward P. ; Sendro Daniel V., Method of operating a boiler.
  13. Lissianski Vitali V. ; Zamansky Vladimir M. ; Lyon Richard K. ; Payne Roy, Method of reducing NOx in a combustion flue gas.
  14. Kobayashi, Hisashi; Bool, III, Lawrence E.; Snyder, William J., NOx reduction in combustion with concentrated coal streams and oxygen injection.
  15. Kobayashi, Hisashi; Bool, III, Lawrence E., Oxygen enhanced low NOx combustion.
  16. Kobayashi, Hisashi; Bool, III, Lawrence E.; Wu, Kuang Tsai, Oxygen enhanced switching to combustion of lower rank fuels.
  17. Lipinski, William T.; Centore, Peter V.; Gorring, George M.; Jennings, James J.; Waltz, Robert; Laursen, Thomas A.; Latham, Chris E.; Plessinger, Duane; Morrison, Don; O'Connor, David, Zero cooling air flow overfire air injector and related method.

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