JPS52135871A - Method and apparatus for decreasing nox in combustion exhaust gas - Google Patents

Method and apparatus for decreasing nox in combustion exhaust gas

Info

Publication number
JPS52135871A
JPS52135871A JP5226676A JP5226676A JPS52135871A JP S52135871 A JPS52135871 A JP S52135871A JP 5226676 A JP5226676 A JP 5226676A JP 5226676 A JP5226676 A JP 5226676A JP S52135871 A JPS52135871 A JP S52135871A
Authority
JP
Japan
Prior art keywords
exhaust gas
combustion exhaust
decreasing nox
combustion
nox
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5226676A
Other languages
Japanese (ja)
Inventor
Takashi Omori
Yoji Ishibashi
Yoshihiro Uchiyama
Ryoichiro Oshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5226676A priority Critical patent/JPS52135871A/en
Publication of JPS52135871A publication Critical patent/JPS52135871A/en
Pending legal-status Critical Current

Links

Landscapes

  • Chimneys And Flues (AREA)
  • Treating Waste Gases (AREA)

Abstract

PURPOSE: To accelerate the dinitration reaction in combustion gas and to make the denititration plant compact, by dividually injecting the reducing agent in exhaust gas, according to the flowing velocity distribution of exhaust duct, letting flow down combustion exhaust gas.
COPYRIGHT: (C)1977,JPO&Japio
JP5226676A 1976-05-10 1976-05-10 Method and apparatus for decreasing nox in combustion exhaust gas Pending JPS52135871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5226676A JPS52135871A (en) 1976-05-10 1976-05-10 Method and apparatus for decreasing nox in combustion exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5226676A JPS52135871A (en) 1976-05-10 1976-05-10 Method and apparatus for decreasing nox in combustion exhaust gas

Publications (1)

Publication Number Publication Date
JPS52135871A true JPS52135871A (en) 1977-11-14

Family

ID=12909957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5226676A Pending JPS52135871A (en) 1976-05-10 1976-05-10 Method and apparatus for decreasing nox in combustion exhaust gas

Country Status (1)

Country Link
JP (1) JPS52135871A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139043U (en) * 1978-02-22 1979-09-27
JPS54139042U (en) * 1978-02-22 1979-09-27
JP2011078876A (en) * 2009-10-05 2011-04-21 Metawater Co Ltd Method and apparatus for reduction of nitrous oxide
JP2013050292A (en) * 2011-08-04 2013-03-14 Mitsubishi Heavy Ind Ltd Fluidized-bed processing system and method of removing n2o in fluidized-bed combustion exhaust gas

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528974A (en) * 1975-07-12 1977-01-24 Mitsubishi Heavy Ind Ltd Ammonia feeding apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528974A (en) * 1975-07-12 1977-01-24 Mitsubishi Heavy Ind Ltd Ammonia feeding apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139043U (en) * 1978-02-22 1979-09-27
JPS54139042U (en) * 1978-02-22 1979-09-27
JPS5814980Y2 (en) * 1978-02-22 1983-03-25 株式会社クボタ Ammonia injection device for exhaust gas denitrification
JPS5814979Y2 (en) * 1978-02-22 1983-03-25 株式会社クボタ Ammonia injection device
JP2011078876A (en) * 2009-10-05 2011-04-21 Metawater Co Ltd Method and apparatus for reduction of nitrous oxide
JP2013050292A (en) * 2011-08-04 2013-03-14 Mitsubishi Heavy Ind Ltd Fluidized-bed processing system and method of removing n2o in fluidized-bed combustion exhaust gas

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