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Method for purifying nitrogen trifluoride gas 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01B-021/06
출원번호 US-0425957 (1989-10-24)
우선권정보 JP-0267058 (1988-10-25)
발명자 / 주소
  • Aritsuka Makoto (Yamaguchi JPX) Iwanaga Naruyuki (Yamaguchi JPX)
출원인 / 주소
  • Mitsui Toatsu Chemicals, Incorporated (Tokyo JPX 03)
인용정보 피인용 횟수 : 63  인용 특허 : 2

초록 ▼

There is here disclosed a method for removing nitrous oxide (N2O), carbon dioxide (CO2) and dinitrogen difluoride (N2F2) from a nitrogen trifluoride gas. The present invention is directed to a method for purifying a nitrogen trifluoride gas which comprises the steps of thermally treating, at a tempe

대표청구항 ▼

A method for purifying a nitrogen trifluoride gas which comprises the steps of thermally treating, at a temperature of 250°to 700°C., a natural zeolite selected from the group consisting of analcime, clinoptilolite, mordenite, ferrierite, phillipsite, chabazite, erionite and laumontite; forming a pa

이 특허에 인용된 특허 (2)

  1. Woytek Andrew J. (Allentown PA) Lileck John T. (Tamaqua PA), Purification of nitrogen trifluoride atmospheres.
    상세보기
  2. Lileck John T. (Tamaqua PA) Papinsick John (Summit Hill PA) Steigerwalt Edward J. (Lehighton PA), Removal of dinitrogen difluoride from nitrogen trifluoride.
    상세보기

이 특허를 인용한 특허 (63)

  1. Baldrey, Kenneth E.; Sjostrom, Sharon; French, Nina Bergan; Durham, Michael D., Additives for mercury oxidation in coal-fired power plants.
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  2. Baldrey, Kenneth E.; Sjostrom, Sharon; French, Nina Bergan; Durham, Michael D., Additives for mercury oxidation in coal-fired power plants.
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  3. Dillon, Martin A.; Filippelli, Gregory M., Air treatment process for dilute phase injection of dry alkaline materials.
    상세보기
  4. Dillon, Martin A.; Filippelli, Gregory M., Air treatment process for dilute phase injection of dry alkaline materials.
    상세보기
  5. Albiston,Jason; Turchi,Craig S.; Carlson,Allan, Apparatus and method for removing mercury and mercuric compounds from dental effluents.
    상세보기
  6. Durham, Michael D.; Martin, Cameron E., Apparatus and process for preparing sorbents for mercury control at the point of use.
    상세보기
  7. Durham, Michael D.; Martin, Cameron E., Apparatus and process for preparing sorbents for mercury control at the point of use.
    상세보기
  8. Durham,Michael D.; Martin,Cameron E., Apparatus and process for preparing sorbents for mercury control at the point of use.
    상세보기
  9. Lovell,John Stanley, Chemically-impregnated silicate agents for mercury control.
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  10. Sjostrom, Sharon; Baldrey, Kenneth E.; Senior, Constance, Control of wet scrubber oxidation inhibitor and byproduct recovery.
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  11. Sjostrom, Sharon; Baldrey, Kenneth E.; Senior, Constance, Control of wet scrubber oxidation inhibitor and byproduct recovery.
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  12. Sjostrom, Sharon; Baldrey, Kenneth E.; Senior, Constance, Control of wet scrubber oxidation inhibitor and byproduct recovery.
    상세보기
  13. Sjostrom, Sharon; Baldrey, Kenneth E.; Senior, Constance, Control of wet scrubber oxidation inhibitor and byproduct recovery.
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  14. Lovell,John Stanley; Broderick,Thomas E.; Turchi,Craig S.; Kimball,Amanda K., High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water.
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  15. Lovell, John S.; Turchi, Craig S.; Broderick, Thomas E., High capacity regenerable sorbent for removal of mercury from flue gas.
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  16. Lovell,John Stanley; Broderick,Thomas E.; Turchi,Craig S.; Kimball,Amanda K., High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water.
    상세보기
  17. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Hot-side method and system.
    상세보기
  18. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Hot-side method and system.
    상세보기
  19. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Hot-side method and system.
    상세보기
  20. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Hot-side method and system.
    상세보기
  21. Ackley, Mark William; Saxena, Himanshu; Henzler, Gregory William; Nowobilski, Jeffert John, Method and apparatus for gas purification.
    상세보기
  22. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E., Method and system for controlling mercury emissions from coal-fired thermal processes.
    상세보기
  23. Durham, Michael D.; Sjostrom, Sharon; Baldrey, Kenneth E.; French, Nina Bergan; Bisque, Ramon, Method and system for controlling mercury emissions from coal-fired thermal processes.
    상세보기
  24. Durham, Michael; French, Nina Bergan; Bisque, Ramon E.; Baldrey, Kenneth E., Method and system for controlling mercury emissions from coal-fired thermal processes.
    상세보기
  25. Sjostrom, Sharon; Senior, Connie; Lagarenne, Jon, Method and system for controlling mercury emissions from coal-fired thermal processes.
    상세보기
  26. Sjostrom, Sharon; Senior, Connie; Lagarenne, Jon; Baldrey, Kenneth E.; Bisque, Ramon; Durham, Michael D.; French, Nina Bergan, Method and system for controlling mercury emissions from coal-fired thermal processes.
    상세보기
  27. Broderick, Thomas E.; Roth, Rachel L.; Carlson, Allan L., Method for fixating sludges and soils contaminated with mercury and other heavy metals.
    상세보기
  28. Broderick, Thomas E., Method for removal and stabilization of mercury in mercury-containing gas streams.
    상세보기
  29. Albiston, Jason; Turchi, Craig S.; Carlson, Allan, Method for removing mercury and mercuric compounds from dental effluents.
    상세보기
  30. Horio Masakazu (Konan JPX) Suzuki Kenzi (Aichi-ken JPX) Tomura Shinji (Nagoya JPX) Inukai Keiichi (Nagoya JPX), Method for separation of nitrogen and carbon dioxide by means of sepiolite as separation medium.
    상세보기
  31. Satchell, Jr., Donald Prentice; Mohan, Vasu R., Method for the production of nitrogen trifluoride.
    상세보기
  32. Igumnov,Sergei Mikhailovich; Kharitonova, legal representative,Nina Valerievna; Kharitonova, legal representative,Natalya Vasilievna; Kharitonov, deceased,Valery Pavlovich, Method of purifying gaseous nitrogen trifluoride.
    상세보기
  33. Simpson, Dale R., Method of removing mercury from exhaust gases.
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  34. Comrie, Douglas C, Methods of operating a coal burning facility.
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  35. Dillon, Martin A.; Filippelli, Gregory M., Process for dilute phase injection of dry alkaline materials.
    상세보기
  36. Golden, Timothy Christopher; Taylor, Fred William; Salter, Elizabeth Helen; Kalbassi, Mohammad Ali; Raiswell, Christopher James, Process for nitrous oxide removal.
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  37. Ralph Newton Miller ; Chien-Ping Chai Kao ; Barry Asher Mahler, Process for purifying perfluorinated products.
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  38. Park, Yong Chul; Jeong, Woo Sik; Hyun, Kwang Chul; Lee, Jang Won; Kwon, Ik Hyeon, Process for refining nitrogen trifluoride gas using alkali earth metal exchanged and impregnated zeolite.
    상세보기
  39. Park, Yong-Chul; Jeong, Woo-Sik; Hyun, Kwang-Chul; Lee, Jang-Won; Kwon, Ik-Hyeon, Process for refining nitrogen trifluoride gas using alkali earth metal exchanged zeolite.
    상세보기
  40. Tom Glenn M. ; Fisher H. Eric ; Olander W. Karl, Process for removing and recovering halocarbons from effluent process streams.
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  41. Hart,James Joseph; Henderson,Philip Bruce; Withers, Jr.,Howard Paul; Rao,Madhukar Bhaskara; Subawalla,Hoshang, Process for the purification of NF.
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  42. Martin, Cameron E., Process to enhance mixing of dry sorbents and flue gas for air pollution control.
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  43. Golden Timothy Christopher ; Taylor Fred William ; Johnson Leighta Maureen ; Malik Nasim Hassan,GBX ; Raiswell Christopher James,GBX, Purification of air.
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  44. Atobe Hitoshi,JPX ; Kaneko Toraichi,JPX, Reactive agent and process for decomposing nitrogen fluoride.
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  45. Henderson, Philip Bruce; Colleran, Patrick Michael; Hulbert, Forrest Eli, Recovery of NF3 from adsorption operation.
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  46. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  47. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  48. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  49. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  50. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  51. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  52. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  53. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
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  54. Comrie, Douglas C., Reducing mercury emissions from the burning of coal.
    상세보기
  55. Comrie,Douglas C, Reducing mercury emissions from the burning of coal.
    상세보기
  56. Comrie, Douglas C.; Vellella, Vincent A., Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels.
    상세보기
  57. Comrie, Douglas C.; Vellella, Vincent A., Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels.
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  58. Comrie, Douglas C., Sorbents for coal combustion.
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  59. Comrie, Douglas C., Sorbents for coal combustion.
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  60. Comrie, Douglas C., Sorbents for coal combustion.
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  61. Comrie, Douglas C., Sorbents for coal combustion.
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  62. Comrie, Douglas C., Sorbents for coal combustion.
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  63. Hanson, Ronald D.; Martin, Cameron E.; Wewer, Robert W.; Boerema, Randall J.; Derritt, Tyler J.; McCann, Nicole M., System and method for dense phase sorbent injection.
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