JPS548164A - Decreasing method for concentration of nitrogen oxides in combustion gas - Google Patents

Decreasing method for concentration of nitrogen oxides in combustion gas

Info

Publication number
JPS548164A
JPS548164A JP7325177A JP7325177A JPS548164A JP S548164 A JPS548164 A JP S548164A JP 7325177 A JP7325177 A JP 7325177A JP 7325177 A JP7325177 A JP 7325177A JP S548164 A JPS548164 A JP S548164A
Authority
JP
Japan
Prior art keywords
concentration
combustion gas
nitrogen oxides
decreasing method
decreasing
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
JP7325177A
Other languages
Japanese (ja)
Inventor
Shigeru Azuhata
Tomoyuki Taki
Sadao Takahashi
Hidetoshi Akimoto
Takao Hishinuma
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 JP7325177A priority Critical patent/JPS548164A/en
Publication of JPS548164A publication Critical patent/JPS548164A/en
Pending legal-status Critical Current

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  • Treating Waste Gases (AREA)

Abstract

PURPOSE: To improve effectively the rate of denitration, by adding H2O2 in lots in the process for reducing NOx to N2 and H2O by injecting NH3 and H2O2 into the gas containing NOx.
COPYRIGHT: (C)1979,JPO&Japio
JP7325177A 1977-06-22 1977-06-22 Decreasing method for concentration of nitrogen oxides in combustion gas Pending JPS548164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7325177A JPS548164A (en) 1977-06-22 1977-06-22 Decreasing method for concentration of nitrogen oxides in combustion gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7325177A JPS548164A (en) 1977-06-22 1977-06-22 Decreasing method for concentration of nitrogen oxides in combustion gas

Publications (1)

Publication Number Publication Date
JPS548164A true JPS548164A (en) 1979-01-22

Family

ID=13512764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7325177A Pending JPS548164A (en) 1977-06-22 1977-06-22 Decreasing method for concentration of nitrogen oxides in combustion gas

Country Status (1)

Country Link
JP (1) JPS548164A (en)

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