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Process for efficiently removing oxides of nitrogen from exhaust gas 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-008/00
  • C01B-021/00
출원번호 US-0255824 (1981-04-20)
발명자 / 주소
  • Henke Werner (P.O. Box 51932 Oil Center Station Lafayette LA 70501)
인용정보 피인용 횟수 : 20  인용 특허 : 2

초록

A system for removal of oxides of nitrogen from the waste gas produced by various combustion processes discloses thoroughly mixing the waste gas with ammonia by means of a static mixing element and then passing the resultant mixture through a catalytic reactor. The ammonia may be supplied by reactin

대표청구항

A process for the removal of nitrogen oxides from a hot waste gas of a temperature of at least 420°F. and containing nitrogen oxides, comprising: dividing the waste gas into a first, second and third portion; passing said third portion through a cooling loop; adding a methane containing gas mixture

이 특허에 인용된 특허 (2)

  1. Laue ; Karl Heinrich ; Sander ; Theo ; Sauder ; Peter ; Uckert ; Gotthar d, Apparatus for removing nitric oxides from processing exhaust gases.
  2. Skvortsov Gennady Alexeevich (ULITSA Kima ; 32 ; kv. 50 Dneprodzerzhinsk Dnepropetrovskoi oblasti SU) Nizeeva Nellya Nikitichna (ULITSA Lermontova ; 17 ; kv. 4 Dneprodzerzhinsk Dnepropetrovskoi oblas, Method of selective catalytic purification of waste gases from nitrogen oxides.

이 특허를 인용한 특허 (20)

  1. Phelps, Sr., Calvin E.; Erickson, Clayton A.; Jambhekar, Rajaram; Harold, John R., Conversion of urea to reactants for NO.
  2. Hodgson, Jan, Device for reducing a level of nitrogen oxides in an exhaust gas of an internal combustion engine.
  3. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Yaegashi Takehisa,JPX ; Takaoka Toshifumi,JPX, Exhaust gas purification device for an engine.
  4. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX ; Yaegashi Takehisa,JPX ; Kanazawa Takaaki,JPX ; Hayashi Takahiro,JPX ; Yokota Koji,JPX ; Nagai Yasutaka,JPX, Exhaust gas purifying catalyst.
  5. Hofmann, Lothar; Mathes, Wieland; Klumpp, Udo, Expanded grid static mixer.
  6. Kinugasa Yukio,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX, Method and a device for purifying combustion exhaust gas.
  7. Heil Dietmar,DEX ; Strobel Barbara,DEX ; Wiesheu Norbert,DEX ; Megede Detlef zur,DEX ; Benz Uwe,DEX, Method and apparatus for selective catalytic oxidation of carbon monoxide.
  8. Naohide Fuwa JP; Hiroshi Tanaka JP; Yukio Kinugasa JP; Takaaki Itou JP; Naoto Suzuki JP; Takehisa Yaegashi JP; Kouhei Igarashi JP; Kouichi Takeuchi JP, Method and device for purifying exhaust gas of an engine.
  9. Kinugasa Yukio,JPX ; Igarashi Kouhei,JPX ; Itou Takaaki,JPX ; Suzuki Naoto,JPX ; Yaegashi Takehisa,JPX ; Takeuchi Kouichi,JPX, Method and device for purifying exhaust gas of engine.
  10. Heil Dietmar,DEX ; Strobel Barbara,DEX ; Wiesheu Norbert,DEX ; zur Megede Detlef,DEX ; Benz Uwe,DEX, Method for selective catalytic oxidation of carbon monoxide.
  11. Viel Lamare Charles,FIX ; Hiltunen Matti,FIX ; Lee Yam, Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler.
  12. Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Hofmann John E. ; Tarabulski Theodore J., Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction.
  13. Tarabulski Theodore J., Reducing NO.sub.x emissions from an engine while maximizing fuel economy.
  14. Tarabulski Theodore J. ; Knapper Curtis J. ; Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction.
  15. Helfritch Dennis J. (Flemington NJ) Efthimion Philip C. (Bedminster NJ), Removal of nitrogen oxides from waste gases.
  16. Sun, William H.; Cummings, Jr., William E.; de Havilland, Piers; Carmignani, Paul G.; Boyle, John M., Selective catalytic reduction of NOenabled by sidestream urea decomposition.
  17. Lin, M. Linda; Sun, William H.; Boyle, John M.; Stamatakis, Penelope, Selective catalytic reduction of NOenabled by urea decomposition heat-exchanger bypass.
  18. Sun,William H.; Cummings, Jr.,William E.; de Havilland,Piers; Carmignani,Paul G.; Boyle,John M., Selective catalytic reduction of nox enabled by sidestream urea decomposition.
  19. Harold, John R.; Erickson, Clayton A., Thermal decomposition of urea in a side stream of combustion flue gas using a regenerative heat exchanger.
  20. Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Tarabulski Theodore J. ; Hofmann John E. ; Valentine James M., Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction.
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