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Catalytic removal of sulfur dioxide from flue gas 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-008/00
출원번호 US-0914615 (1997-08-21)
발명자 / 주소
  • Fang Ming,HKX
  • Ma Jian-Xin,HKX
출원인 / 주소
  • The Hong Kong University of Science & Technology, HKX
대리인 / 주소
    Burns, Doane, Swecker & Mathis, L.L.P.
인용정보 피인용 횟수 : 38  인용 특허 : 6

초록

The present invention provides novel catalysts for the simultaneous removal of SO.sub.2 and NO.sub.x from flue gases. The catalysts may be supported or unsupported, pretreated or untreated, but allow the simultaneous reduction of SO.sub.2 to S and NO.sub.x to N.sub.2. Elemental sulfur is a useful by

대표청구항

[ We claim:] [1.] A single-stage process for the simultaneous removal of SO.sub.2 and NO.sub.x from a gas stream comprising the steps of:(a) passing said gas stream through a catalytic reactor containing an La.sub.2 O.sub.2 S containing catalyst bed;(b) introducing a reducing gas stream into said ca

이 특허에 인용된 특허 (6)

  1. Stiles Alvin B. (Wilmington DE), Acid rain abatement.
  2. Eisenlohr Karl-Heinz (Buchschlag DT) Scholz Berthold (Weisskirchen DT) Kapp Ernest (Frankfurt am Main DT), Gas purifying method.
  3. Kay D. Alan R. (Burlington PA CAX) Wilson William G. (Pittsburgh PA) Jalan Vinod (Concord MA), Process for optimizing the removal of NOX and SOX from gases utilizing lanthanide compounds<.
  4. Kintaichi Yoshiaki (Ibaraki JPX) Hamada Hideaki (Ibaraki JPX) Ito Takehiko (Ibaraki JPX) Sasaki Motoi (Ibaraki JPX) Suganuma Fujio (Saitama JPX) Tabata Mitsunori (Saitama JPX) Kitazume Akihiro (Saita, Process for removing nitrogen oxides from exhaust gases.
  5. Grimm Daniel (Schlangenbad-Brstadt DEX) Kainer Hartmut (Wiesbaden DEX) Levkov Blagoje (Wiesbaden DEX), Process for the manufacture of catalyst moldings from granular catalyst material such as iron ore or chromium ore with t.
  6. Clay David T. (Longview WA) Lynn Scott (Walnut Creek CA), Simultaneous removal of nitrogen oxides and sulfur oxides from combustion gases.

이 특허를 인용한 특허 (38)

  1. Takimoto, Kawaji, Air filter for gasoline and diesel engines.
  2. Zuberi, Bilal; Lachenauer, Robert G., Catalytic exhaust device for simplified installation or replacement.
  3. Zuberi, Bilal, Catalytic exhaust filter device.
  4. Zuberi, Bilal; Lachenauer, Robert G., Catalytic fibrous exhaust system and method for catalyzing an exhaust gas.
  5. Alward, Gordon S.; DiChiara, Jr., Robert A., Ceramic exhaust filter.
  6. Chandler, Guy Richard; Diwell, Alan Francis; Rajaram, Raj Rao, Combatting air pollution.
  7. Chandler, Guy Richard; Diwell, Alan Francis; Rajaram, Raj Rao, Combatting air pollution.
  8. Alberti, David Marco Gertruda; Van Doeselaar, Maurice Stephan, Combustion analysis apparatus and method.
  9. Higgins, Brian S.; Moberg, Goran, Combustion furnace humidification devices, systems & methods.
  10. Higgins, Brian S.; Moberg, Goran, Combustion furnace humidification devices, systems and methods.
  11. Rong, Charles; Jiang, Rongzhong; Chu, Deryn, Desulfurization apparatus and method.
  12. Zuberi, Bilal; Lachenauer, Robert G., Device for catalytically reducing exhaust.
  13. Hammel,Charles F., Electronic controls for pollutant removal.
  14. LaBarge,William J.; Kupe,Joachim; Zizelman,James; Botti,Jean J., Exhaust system and method of thermal management.
  15. LaBarge, William J.; Price, Kenneth; Bonadies, Joseph V.; Kupe, Joachim, Exhaust treatment devices.
  16. Zuberi, Bilal, Highly porous mullite particulate filter substrate.
  17. Hammel,Charles F.; Boren,Richard M., Metal oxide processing methods and systems.
  18. Li, Dongmei; Tan, Shuai, Method and apparatus for chemical process intensification.
  19. Kupe, Joachim; Zizelman, James; Botti, Jean J., Method and system for regenerating NOx adsorbers and/or particulate filters.
  20. Higgins, Brian S., Method for in-furnace reduction flue gas acidity.
  21. Higgins, Brian S., Method for in-furnace regulation of SOin catalytic NOx reducing systems.
  22. Guo, Dawei; Zhang, Jiushun; Mao, Anguo; Xie, Chaogang; Fu, Jun; Wang, Wei; Yu, Jingchuan, Method of removing sulfur oxides and nitrogen oxides in the flue gas.
  23. Zuberi, Bilal, Multi-functional substantially fibrous mullite filtration substrates and devices.
  24. Alward, Gordon S.; Dichiara, Jr., Robert A., Nonwoven composites and related products and methods.
  25. Alward, Gordon S.; DiChiara, Jr., Robert A., Nonwoven composites and related products and processes.
  26. Boren,Richard M.; Hammel,Charles F., Oxides of manganese processed in continuous flow reactors.
  27. Hammel,Charles F.; Tuzinski,Patrick A.; Boren,Richard M., Pretreatment and regeneration of oxides of manganese.
  28. Zuberi,Bilal, Refractory exhaust filtering method and apparatus.
  29. Hammel,Charles F.; Boren,Richard M.; Tuzinski,Patrick A., Regeneration, pretreatment and precipitation of oxides of manganese.
  30. Zuberi,Bilal; Lachenauer,Robert G., Substantially fibrous exhaust screening system for motor vehicles.
  31. Zuberi,Bilal; Lachenauer,Robert G., Substantially fibrous refractory device for cleaning a fluid.
  32. Flytzani-Stephanopoulos, Maria; Valsamakis, Ioannis, Sulfur-tolerant water-gas shift catalysts.
  33. Simpkins,Haskell; Bonadies,Joseph V.; Goulette,David A.; Price,Kenneth S.; Kirwan,John E., System and method of heating an exhaust treatment device.
  34. Carlton,Steve C.; Huff,Ray V.; Hammel,Charles F.; Boren,Richard M.; Kronbeck,Kevin P.; Larson,Joshua E.; Tuzinski,Patrick A.; Axen,Steve G.; Pahlman, deceased,John E., System and process for removal of pollutants from a gas stream.
  35. Pahlman, John E.; Carlton, Steve C.; Huff, Ray V.; Hammel, Charles F.; Boren, Richard M.; Kronbeck, Kevin P.; Larson, Joshua E.; Tuzinski, Patrick A.; Axen, Steve G., System and process for removal of pollutants from a gas stream.
  36. Pahlman, John E.; Carlton, Steven C.; Huff, Ray V.; Hammel, Charles F.; Boren, Richard M.; Kronbeck, Kevin P.; Larson, Joshua E.; Tuzinski, Patrick A.; Axen, Steve G., System and process for removal of pollutants from a gas stream.
  37. Richard K. Lyon, Unmixed combustion of coal with sulfur recycle.
  38. Higgins, Brian S., Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx).

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