JPS529675A - A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases - Google Patents

A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases

Info

Publication number
JPS529675A
JPS529675A JP50085299A JP8529975A JPS529675A JP S529675 A JPS529675 A JP S529675A JP 50085299 A JP50085299 A JP 50085299A JP 8529975 A JP8529975 A JP 8529975A JP S529675 A JPS529675 A JP S529675A
Authority
JP
Japan
Prior art keywords
decomposing
gases
exhaust
nitrogen oxides
reducing nitrogen
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
JP50085299A
Other languages
Japanese (ja)
Inventor
Akisuke Muraishi
Kinjiro Kobayashi
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP50085299A priority Critical patent/JPS529675A/en
Publication of JPS529675A publication Critical patent/JPS529675A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

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

Abstract

PURPOSE:NOx in waste gases emitted from boilers is decomposed to N2 and H2O and is thereby reduced, by mixing NH3 or reducing substances into the waste gas in the presence of sufficient volume of O2 at gas temperature of 1600 to 2000 deg.F.
JP50085299A 1975-07-14 1975-07-14 A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases Pending JPS529675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50085299A JPS529675A (en) 1975-07-14 1975-07-14 A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50085299A JPS529675A (en) 1975-07-14 1975-07-14 A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases

Publications (1)

Publication Number Publication Date
JPS529675A true JPS529675A (en) 1977-01-25

Family

ID=13854700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50085299A Pending JPS529675A (en) 1975-07-14 1975-07-14 A process of decomposing and reducing nitrogen oxides in exhaust combu stion gases

Country Status (1)

Country Link
JP (1) JPS529675A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249973A (en) * 1975-10-17 1977-04-21 Kawasaki Heavy Ind Ltd Decreasing method of nox in boilr exhaust gas
JPS5416737A (en) * 1977-07-07 1979-02-07 Mitsubishi Heavy Ind Ltd Exhaust treatment of coal fired boiler
WO2017110292A1 (en) * 2015-12-25 2017-06-29 三菱重工業株式会社 Denitrator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249973A (en) * 1975-10-17 1977-04-21 Kawasaki Heavy Ind Ltd Decreasing method of nox in boilr exhaust gas
JPS5416737A (en) * 1977-07-07 1979-02-07 Mitsubishi Heavy Ind Ltd Exhaust treatment of coal fired boiler
WO2017110292A1 (en) * 2015-12-25 2017-06-29 三菱重工業株式会社 Denitrator

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