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Plasma regenerated particulate trap and NO.sub.x reduction system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-003/00
출원번호 US-0120903 (1998-07-22)
발명자 / 주소
  • Penetrante Bernardino M.
  • Vogtlin George E.
  • Merritt Bernard T.
  • Brusasco Raymond M.
출원인 / 주소
  • The Regents of the University of California
대리인 / 주소
    Thompson
인용정보 피인용 횟수 : 80  인용 특허 : 17

초록

A non-catalytic two-stage process for removal of NO.sub.x and particulates from engine exhaust comprises a first stage that plasma converts NO to NO.sub.2 in the presence of O.sub.2 and hydrocarbons, and a second stage, which preferably occurs simultaneously with the first stage, that converts NO.su

대표청구항

[ The invention claimed is:] [1.] A method for reducing nitrogen oxides (NO.sub.x) and particulates in oxygen-rich exhausts from high-temperature combustion, the method comprising the steps of:converting substantially all NO in an engine exhaust comprising greater than about 5 ppmw of sulfur compone

이 특허에 인용된 특허 (17)

  1. Subramanian Somasundaram (Melvindale MI) Kudla Robert J. (Warren MI) Chattha Mohinder S. (Northville MI), Catalyst system for converting emissions of a lean-burn engine.
  2. Nunez Carlos M. (Durham NC) Ramsey Geddes H. (Chapel Hill NC) Ponder Wade H. (Raleigh NC) Abbott James H. (Cary NC), Corona destruction of volatile organic compounds and toxics.
  3. Wallman P. Henrik ; Vogtlin George E., Diesel NO.sub.x reduction by plasma-regenerated absorbend beds.
  4. Bayliss Keith H. (Bridgnorth GBX) Hall Stephen I. (Oxford GBX) Raybone David (Gloucester GBX), Exhaust gas purification.
  5. Yoshikawa Hideo (Yachiyo JPX), Exhaust gas purifying apparatus.
  6. Hoard John W., Exhaust system with emissions storage device and plasma reactor.
  7. Hayashi Yuji (Kawasaki JPX) Wakatsuki Noboru (Kawasaki JPX), Gas purifier using plasma and catalyst.
  8. Ota Hiroaki (Yokohama JPX) Kobayashi Daihei (Yokohama JPX) Yanobe Takeshi (Yokohama JPX) Sakamoto Fujio (Yokohama JPX) Hayashi Yuji (Kawasaki JPX), Gas-cleaning equipment and its use.
  9. Bell Ronald D. (Beaumont TX), Hybrid low NOx process for destruction of bound nitrogen compounds.
  10. Kalka Daniel S. (Medina OH), Integrated SCR electrostatic precipitator.
  11. Bell Ronald D. (Austin TX), Low NOx cogeneration process and system.
  12. Yoshida Kiyohide (Kumagaya JPX) Muramatsu Gyo (Kumagaya JPX) Abe Akira (Kumagaya JPX) Miyadera Tatsuo (Tsukuba JPX), Method of cleaning an exhaust gas and exhaust gas cleaner therefor.
  13. Suzuki ; Shin ; Matsumoto ; Kazuo ; Nakaoka ; Ichiro, Method of decomposing nitrogen oxide (NO.sub.x).
  14. Vogtlin George E. ; Merritt Bernard T. ; Hsiao Mark C. ; Wallman P. Henrik ; Penetrante Bernardino M., Plasma-assisted catalytic reduction system.
  15. Hsiao Mark C. ; Merritt Bernard T. ; Penetrante Bernardino M. ; Vogtlin George E., Pre-converted nitric oxide gas in catalytic reduction system.
  16. Kintaichi Yoshiaki (Ibaraki JPX) Hamada Hideaki (Ibaraki JPX) Ito Takehiko (Ibaraki JPX) Sasaki Motoi (Ibaraki JPX) Tabata Mitsunori (Saitama JPX) Usui Kazushi (Chiba JPX), Process for removing nitrogen oxides in exhaust gases to nitrogen.
  17. Birmingham Joseph G. (Joppa MD) Moore Robert R. (Fallston MD), Reactive bed plasma air purification.

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