JPS5232872A - Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen - Google Patents

Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen

Info

Publication number
JPS5232872A
JPS5232872A JP50109743A JP10974375A JPS5232872A JP S5232872 A JPS5232872 A JP S5232872A JP 50109743 A JP50109743 A JP 50109743A JP 10974375 A JP10974375 A JP 10974375A JP S5232872 A JPS5232872 A JP S5232872A
Authority
JP
Japan
Prior art keywords
sulfite
aqueous solution
acidid
oxygen
preventing oxidation
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
JP50109743A
Other languages
Japanese (ja)
Inventor
Teruo Matsuda
Koji Ishida
Kuniyoshi Manabe
Tetsuo Murata
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP50109743A priority Critical patent/JPS5232872A/en
Publication of JPS5232872A publication Critical patent/JPS5232872A/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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Treating Waste Gases (AREA)

Abstract

PURPOSE: To prevent abnormal oxidation of sulfite by O2 in removing NO2 in fiue gas by contacting the gas in which NO has been oxidized in advance by an oxidizing agent to make the percentage of NO2 in NOx more than 60% with sulfite and/or an acidic aqueous solution of sulfite.
COPYRIGHT: (C)1977,JPO&Japio
JP50109743A 1975-09-09 1975-09-09 Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen Pending JPS5232872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50109743A JPS5232872A (en) 1975-09-09 1975-09-09 Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50109743A JPS5232872A (en) 1975-09-09 1975-09-09 Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen

Publications (1)

Publication Number Publication Date
JPS5232872A true JPS5232872A (en) 1977-03-12

Family

ID=14518110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50109743A Pending JPS5232872A (en) 1975-09-09 1975-09-09 Method of preventing oxidation of sulfite or acidid aqueous solution o f sulfite by oxygen

Country Status (1)

Country Link
JP (1) JPS5232872A (en)

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