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Reformer assisted lean NOcatalyst aftertreatment system and method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 UP-0514544 (2006-09-01)
등록번호 US-7743602 (2010-07-19)
발명자 / 주소
  • Kalyanaraman, Mohan
  • Park, Paul W.
  • Ragle, Christie S.
출원인 / 주소
  • ExxonMobil Research And Engineering Co.
  • Caterpillar Inc.
대리인 / 주소
    Water & Kipnes, P.C.
인용정보 피인용 횟수 : 11  인용 특허 : 43

초록

A method and apparatus for catalytically processing a gas stream passing therethrough to reduce the presence of NOx therein, wherein the apparatus includes a first catalyst composed of a silver-containing alumina that is adapted for catalytically processing the gas stream at a first temperature rang

대표청구항

What is claimed is: 1. An apparatus for catalytically processing a gas stream passing therethrough to reduce the presence of NOx therein, said apparatus comprising: a combination catalyst having first and second catalysts positioned in a staged arrangement for catalytically processing the gas strea

이 특허에 인용된 특허 (43)

  1. Taylor, III, William; Crane, Jr., Samuel N.; Kong, Yougen, Apparatus and method for operating a fuel reformer to regenerate a DPNR device.
  2. Sung Shiang, Catalyst composition.
  3. Hotta, Masatoshi; Oka, Masakazu; Furuse, Yoshio; Atobe, Hitoshi; Chaen, Shigehiro, Catalyst for decomposing nitrous oxide, process for producing the same and method for decomposing nitrous oxide.
  4. Mizuno Tatsuji (Toyota JPX) Takeshima Shinichi (Susono JPX) Sekizawa Kazuhiko (Shinnanyo JPX) Kasahara Senshi (Shinnanyo JPX), Catalyst for purifying exhaust gas.
  5. Inui Satoshi,JPX ; Hori Masao,JPX ; Tsuchitani Kazuo, Catalyst for purifying exhaust gas from lean burn engine and method for purification.
  6. Adamczyk ; Jr. Andrew Anthony ; Williams Scott Christopher ; Meneghel Mario G. ; Gandhi Haren S., Closely coupled exhaust catalyst system and engine strategy associated therewith.
  7. Kharas Karl C. C., Copper-silver zeolite catalysts.
  8. van Nieustadt, Michiel J.; Upadhyay, Devesh; Ruona, William Charles, Diesel engine system for use with emission control device.
  9. Bromberg, Leslie; Cohn, Daniel R.; Rabinovich, Alexander, Emission abatement system.
  10. Bromberg, Leslie; Cohn, Daniel R.; Rabinovich, Alexander, Emission abatement system utilizing particulate traps.
  11. Hayashi Kotaro (Susono JPX) Inoue Tokuta (Mishima JPX) Ito Sumio (Gotenba JPX) Kobashi Kiyoshi (Mishima JPX) Takeshima Shinichi (Susono JPX), Exhaust emission control device for a diesel engine.
  12. Miyadera Tatsuo,JPX ; Yoshida Kiyohide,JPX ; Saito Mika,JPX ; Irite Naoko,JPX ; Abe Akira,JPX ; Furuyama Masataka,JPX, Exhaust gas cleaner and method for cleaning exhaust gas.
  13. Miyadera Tatsuo,JPX ; Yoshida Kiyohide,JPX ; Saito Mika,JPX ; Irite Naoko,JPX ; Abe Akira,JPX ; Furuyama Masataka,JPX, Exhaust gas cleaner and method for cleaning exhaust gas.
  14. Saito Mika,JPX ; Abe Akira,JPX ; Yoshida Kiyohide,JPX ; Sumiya Satoshi,JPX ; Furuyama Masataka,JPX, Exhaust gas cleaner and method for cleaning exhaust gas.
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  16. Yamamoto, Shinji; Kanesaka, Hiroyuki; Onodera, Hitoshi; Hanaki, Yasunari; Suga, Katsuo; Morita, Hiroshi; Hiramoto, Yoshiaki; Kaneko, Hiroaki, Exhaust gas purifying system.
  17. LaBarge,William J.; Kupe,Joachim; Zizelman,James; Botti,Jean J., Exhaust system and method of thermal management.
  18. Kaupert, Andreas; Strauhs, Joerg; Wiesheu, Norbert, Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine.
  19. Le Leux, Christopher R.; Fischer, Gerald, High efficiency, reduced emissions internal combustion engine system, especially suitable for gaseous fuels.
  20. Boegner Walter,DEX ; Haak Karl-Ernst,DEX ; Krutzsch Bernd,DEX ; Verrelst Wim,BEX ; Voigtlaender Dirk,DEX ; Wenninger Guenter,DEX ; Wirbeleit Friedrich,DEX, Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides.
  21. Hepburn Jeffrey Scott, Lean-burn nox catalyst/nox trap system.
  22. Park, Paul W., Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems.
  23. Matros Yurii Sh. ; Bunimovich Grigori A. ; Strots Vadim O., Method and apparatus for emission control.
  24. Smaling, Rudolf M., Method and apparatus for purging SOX from a NOX trap.
  25. Taylor, III, William; Crane, Jr., Samuel N.; Kong, Yougen, Method and apparatus for removing NOx and soot from engine exhaust gas.
  26. Inoue Shunji (Shinnanyo JPX) Kasahara Senshi (Shinnanyo JPX) Eshita Akinori (Shinnanyo JPX) Nakano Masao (Hikari JPX), Method for exhaust gas cleaning.
  27. Vishwesh Palekar ; Ralph J. Slone, Method for removing NOx and other pollutants from gas streams using a plasma assisted catalyst.
  28. Kharas, Karl C. C., Method of NOx abatement in high temperature lean NOx catalyst systems.
  29. Park, Paul W., Method of preparing doped oxide catalysts for lean NOx exhaust.
  30. Weissman Walter ; Hershkowitz Frank ; Dean Anthony Marion ; Pink Harry Stuard, NO.sub.x reductant generation in a compression-ignition engine by hydrocarbon injection during the expansion stroke.
  31. Takahashi Yoshinori,JPX, NOx reduction system for combustion exhaust gas.
  32. Hu,Haoran; Stover,Thomas; McCarthy, Jr.,James Edward, Narrow speed range diesel-powered engine system w/ aftertreatment devices.
  33. Cho, Byong Kwon, No reduction with diesel fuel reformed by nonthermal hyperplasma.
  34. Edward N. Balko ; Kenneth E. Voss, Plasma fuel processing for NOx control lean burn engines.
  35. Balko Edward N. ; Voss Kenneth E., Plasma fuel processing for NOx control of lean burn engines.
  36. Rabinovich Alexander (Salem MA) Cohn Daniel R. (Chestnut Hill MA) Bromberg Leslie (Sharon MA), Plasmatron-internal combustion engine system.
  37. Rabinovich Alexander (Salem MA) Cohn Daniel R. (Chestnut Hill MA) Bromberg Leslie (Sharon MA), Plasmatron-internal combustion engine system.
  38. Krutzsch Bernd,DEX ; Goerigk Christian,DEX ; Kurze Stefan,DEX ; Wenninger Gunter,DEX ; Boegner Walter,DEX ; Wirbeleit Friedrich,DEX, Process and apparatus for reducing nitrogen oxides in engine emissions.
  39. Buglass, John G.; Kocum, Francis A.; Liu, Ke; Schoonebeek, Ronald J.; Vincitore, Antonio M., Reducing oxides of nitrogen using hydrogen generated from engine fuel and exhaust.
  40. Guth Eugene D. (Torrance CA) Campbell Larry E. (Knoxville TN), Regeneration of catalyst/absorber.
  41. Kharas Karl C. C., SO.sub.2 -tolerant silver oxide catalysts.
  42. Patchett Joseph A., Staged reductant injection for improved NO.sub.x reduction.
  43. Feeley Jennifer S. ; Deeba Michel ; Farrauto Robert J. ; Dang Dinh, Trimetallic zeolite catalyst and method of NO.sub.x abatement using the same.

이 특허를 인용한 특허 (11)

  1. Cavataio, Giovanni; Jen, Hungwen; Warner, James Robert; Girard, James W.; Lambert, Christine Kay, Catalyst assembly for treating engine exhaust.
  2. Ginter, David; Deng, Ling; Park, Paul; Fiveland, Scott B., Catalyst system for lean NOx reduction with hydrocarbons.
  3. Dandekar, Ajit B.; Socha, Richard F.; Eckes, Richard L.; Waldrup, S. Beau, Catalytic reduction of NOx with high activity catalysts.
  4. Dandekar, Ajit B.; Socha, Richard F.; Eckes, Richard L.; Waldrup, S. Beau; McMullan, Jason M., Catalytic reduction of NOx with high activity catalysts with NH3 reductant.
  5. Dandekar, Ajit B.; Socha, Richard F.; Eckes, Richard L.; Waldrup, S. Beau; McMullan, Jason M., Catalytic reduction of NOx with high activity catalysts with acetaldehyde reductant.
  6. Dandekar, Ajit B.; Socha, Richard F.; Eckes, Richard L.; Waldrup, S. Beau, Catalytic reduction of NOx with high activity catalysts with propylene reductant.
  7. Socha, Richard F.; Vartuli, James C.; El-Malki, El-Mekki; Kalyanaraman, Mohan; Park, Paul W., Method and apparatus for combination catalyst for reduction of NOin combustion products.
  8. Schmieg, Steven J.; Blint, Richard J.; Deng, Ling; Viola, Michael B.; Lee, Jong-Hwan, Method and apparatus to selectively reduce NO.
  9. Cavataio, Giovanni; Jen, Hungwen; Warner, James Robert; Girard, James W.; Lambert, Christine Kay, Methods for treating engine exhaust.
  10. Girard, James W.; Cavataio, Giovanni; Lambert, Christine Kay; Snow, Rachel Alison, System for reducing NOx in exhaust.
  11. Girard, James W.; Cavataio, Giovanni; Lambert, Christine Kay; Snow, Rachel Alison, System for reducing NOx in exhaust.
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