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Reduction of nitrogen oxides with catalytic acid resistant aluminosilicate molecular sieves and ammonia 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-008/00
  • C01B-021/00
출원번호 US-0504793 (1974-09-10)
발명자 / 주소
  • Pence Dallas T. (Idaho Falls ID) Thomas Thomas R. (Idaho Falls ID)
출원인 / 주소
  • The United States of America as represented by the United States Department of Energy (Washington DC 06)
인용정보 피인용 횟수 : 45  인용 특허 : 0

초록 ▼

Noxious nitrogen oxides in a waste gas stream such as the stack gas from a fossil-fuel-fired power generation plant or other industrial plant off-gas stream is catalytically reduced to elemental nitrogen and/or innocuous nitrogen oxides employing ammonia as reductant in the presence of a zeolite cat

대표청구항 ▼

A process for converting more than 98% of the noxious nitrogen oxides present in gaseous effluents containing 3 to 20 volume percent oxygen to N2 and N2O comprising mixing the gaseous effluent with a gas stream containing an effective amount of ammonia and contacting the mixed gases with a catalyst

이 특허를 인용한 특허 (45)

  1. Krishnamurthy Sowmithri (Cherry Hill NJ) McWilliams John P. (Woodbury NJ) Pappal David A. (Sewell NJ) Sigal Catherine T. (Pennington NJ) Kiliany ; Jr. Thomas R. (Baytown TX), Abatement of NOx in exhaust gases.
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  2. Kato Yasuyoshi (Kure JPX) Konishi Kunihiko (Kure JPX) Ohta Masao (Kure JPX), Ammonia reduction-denitration process and apparatus therefor.
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  3. Caudle, Matthew T.; Deiterle, Martin; Roth, Stanley A.; Xue, Wen-Mei, Bifunctional catalysts for selective ammonia oxidation.
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  4. Ott,Kevin C., Catalyst and method for reduction of nitrogen oxides.
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  5. Ott,Kevin C., Catalyst and method for reduction of nitrogen oxides.
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  6. Ott, Kevin C., Catalyst for reduction of nitrogen oxides.
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  7. Staniulis Mark T. (Peekskill NY) Risch Alan P. (New Fairfield CT), Catalytic reduction of nitrogen oxides.
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  8. Bull, Ivor; Xue, Wen Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald S.; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew T., Copper CHA zeolite catalysts.
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  9. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald Stephen; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew Tyler, Copper CHA zeolite catalysts.
    상세보기
  10. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald Stephen; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew Tyler, Copper CHA zeolite catalysts.
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  11. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald Stephen; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew Tyler, Copper CHA zeolite catalysts.
    상세보기
  12. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald Stephen; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew Tyler, Copper CHA zeolite catalysts.
    상세보기
  13. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald Stephen; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew Tyler, Copper CHA zeolite catalysts.
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  14. Bull, Ivor; Mueller, Ulrich, Copper containing ZSM-34, OFF and/or ERI zeolitic material for selective reduction of NOx.
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  17. Byrne John W. (Edison NJ), Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts.
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  18. Brooks, Burton; Jessup, Walter A.; MacArthur, Brian W., Method of quantitatively producing ammonia from urea.
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  19. Cooper Hal B. H. ; Spencer ; III Herbert W., Method using on site generated ammonia to reduce particulates.
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  20. Cooper, Hal B. H.; Spencer, III, Herbert W., Method using on site generated ammonia to reduce particulates in combustion gas streams.
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  21. Lang Fred D., Methods and systems for improving thermal efficiency, determining effluent flows and for determining fuel mass flow rat.
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  22. Spencer, III,Herbert W.; Cooper, Sr., deceased,Hal B. H., Methods for the production of ammonia from urea and/or biuret, and uses for NOand/or particulate matter removal.
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  23. Cooper, Hal B. H.; John Douglas Cooper,; Spencer, III, Herbert W., Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal.
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  24. Bull, Ivor; Koermer, Gerald S.; Moini, Ahmad; Unverricht, Signe, Methods utilizing non-zeolitic metal-containing molecular sieves having the CHA crystal structure.
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  25. Lester George R. (Park Ridge IL) Brennan John F. (Des Plaines IL), Pollution control catalyst.
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  26. Brooks,Burton; Jessup,Walter A.; MacArthur,Brian W.; Sheats,W. Brad, Process and apparatus for quantitatively converting urea to ammonia on demand.
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  27. Notte,Patrick; Bowman,Barry L.; Oppenheim,Judith P.; Noskov,Alexander Stepanovich; Chandrasekhar,Ramoorthy; Croce,Gregory P, Process for nitrous oxide purification.
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  28. Beutel, Tilman W.; Bull, Ivor; Moini, Ahmad; Breen, Michael; Dieterle, Martin; Alerasool, Saeed; Slawski, Barbara, Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods.
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  29. Brooks, Burton; Jessup, Walter A.; MacArthur, Brian W.; Sheats, W. Brad, Process for quantitatively converting urea to ammonia on demand.
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  30. Kittrell James R. (Amherst MA) Herman Donald L. (Coventry RI), Process for reducing nitric oxides.
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  31. Leppalahti Jukka,FIX, Process for removing ammonia from gasification gas.
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  32. Hamon Christian (Saint-Nazaire FRX) Le Goff Yannick (Saint-Nazaire FRX), Process for selective reduction of nitrogen oxides contained in oxygenated gaseous effluents.
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  33. Horaguchi Mitsuhiro (Yokohama JPX) Tomizawa Shigechika (Yokohama JPX) Kaihara Yuji (Yokohama JPX), Process for the systematic treatment of exhaust gases.
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  34. Beutel, Tilman W.; Bull, Ivor; Moini, Ahmad; Breen, Michael; Dieterle, Martin; Alerasool, Saeed; Liu, Xinsheng; Lin, Wenyong; Slawski, Barbara; Mueller, Ulrich, Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods.
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  35. Spencer, III, Herbert W.; Peters, H. James; Hankins, William G.; Fujita, Madoka, Process to produce ammonia from urea.
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  36. Bull, Ivor; Xue, Wen-Mei; Burk, Patrick; Boorse, R. Samuel; Jaglowski, William M.; Koermer, Gerald S.; Moini, Ahmad; Patchett, Joseph A.; Dettling, Joseph C.; Caudle, Matthew T., Processes for reducing nitrogen oxides using copper CHA zeolite catalysts.
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  37. Siemer, Darryl D.; Lewis, Leroy C., Removal of I, Rn, Xe and Kr from off gas streams using PTFE membranes.
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  38. Van Deyck Frans (Essen BEX) Weiss Franz-Josef (Neuhofen DEX) Verberckt Roger (Schelle BEX) Thomas Erwin (Freinsheim DEX) Mangelschots Benedikt (Berchem BEX) Pijl Paul (Kalmthout BEX), Removal of nitrous oxide from gases containing hydrogen, nitric oxide and nitrous oxide.
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  39. Linde Gerhard (Grunwald DEX), Removal of undesirable gaseous components from a hot waste gas.
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  40. Boorse, R. Samuel; Dettling, Joseph C., SCR on low thermal mass filter substrates.
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  41. Boorse, Samuel; Dettling, Joseph C., SCR on low thermal mass filter substrates.
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  42. Bull, Ivor; Koermer, Gerald Stephen; Moini, Ahmad; Unverricht, Signe, Systems utilizing non-zeolitic metal-containing molecular sieves having the CHA crystal structure.
    상세보기
  43. Andersen, Paul Joseph; Bailie, Jillian Elaine; Casci, John Leonello; Chen, Hai-Ying; Fedeyko, Joseph Michael; Foo, Rodney Kok Shin; Rajaram, Raj Rao, Transition metal/zeolite SCR catalysts.
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  44. Fujita, Madoka; Hankins, William G.; Anderson, Peter Paul, Urea to ammonia process.
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  45. Green Gary J. (Yardley PA) Shihabi David S. (Pennington NJ), Zeolitic copper catalyst.
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