JPS5317588A - Removing method for nitrogen oxides by absorption - Google Patents

Removing method for nitrogen oxides by absorption

Info

Publication number
JPS5317588A
JPS5317588A JP9137176A JP9137176A JPS5317588A JP S5317588 A JPS5317588 A JP S5317588A JP 9137176 A JP9137176 A JP 9137176A JP 9137176 A JP9137176 A JP 9137176A JP S5317588 A JPS5317588 A JP S5317588A
Authority
JP
Japan
Prior art keywords
absorption
nitrogen oxides
removing method
edta complex
liquid
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.)
Granted
Application number
JP9137176A
Other languages
Japanese (ja)
Other versions
JPS5550457B2 (en
Inventor
Toshikatsu Mori
Masahito Takeuchi
Hisao Yamashita
Hideo Okada
Teruo Kumagai
Yuichi Kamo
Fumito Nakajima
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
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK, Hitachi Ltd filed Critical Babcock Hitachi KK
Priority to JP9137176A priority Critical patent/JPS5317588A/en
Publication of JPS5317588A publication Critical patent/JPS5317588A/en
Publication of JPS5550457B2 publication Critical patent/JPS5550457B2/ja
Granted 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

Abstract

PURPOSE: To keep the concn. of ferrous EDTA complex in a NOx absorbing liquid contg. Fe-EDTA complex and sulfite ion at a specified value and above by adding a reducing agent to the liquid so as to maintain high denitration rate over a long period.
COPYRIGHT: (C)1978,JPO&Japio
JP9137176A 1976-08-02 1976-08-02 Removing method for nitrogen oxides by absorption Granted JPS5317588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9137176A JPS5317588A (en) 1976-08-02 1976-08-02 Removing method for nitrogen oxides by absorption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9137176A JPS5317588A (en) 1976-08-02 1976-08-02 Removing method for nitrogen oxides by absorption

Publications (2)

Publication Number Publication Date
JPS5317588A true JPS5317588A (en) 1978-02-17
JPS5550457B2 JPS5550457B2 (en) 1980-12-18

Family

ID=14024507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9137176A Granted JPS5317588A (en) 1976-08-02 1976-08-02 Removing method for nitrogen oxides by absorption

Country Status (1)

Country Link
JP (1) JPS5317588A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200160A (en) * 1991-08-29 1993-04-06 Dravo Lime Company Process for removing sulfur dioxide and nitrogen oxides from flue gases

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210855A (en) * 1975-07-09 1977-01-27 Agency Of Ind Science & Technol Process for removal of nitrogen oxides in exhaust gases containing oxy gen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210855A (en) * 1975-07-09 1977-01-27 Agency Of Ind Science & Technol Process for removal of nitrogen oxides in exhaust gases containing oxy gen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200160A (en) * 1991-08-29 1993-04-06 Dravo Lime Company Process for removing sulfur dioxide and nitrogen oxides from flue gases

Also Published As

Publication number Publication date
JPS5550457B2 (en) 1980-12-18

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