JPS5363278A - Wet desulfurizing method for exhaust gas - Google Patents

Wet desulfurizing method for exhaust gas

Info

Publication number
JPS5363278A
JPS5363278A JP13851076A JP13851076A JPS5363278A JP S5363278 A JPS5363278 A JP S5363278A JP 13851076 A JP13851076 A JP 13851076A JP 13851076 A JP13851076 A JP 13851076A JP S5363278 A JPS5363278 A JP S5363278A
Authority
JP
Japan
Prior art keywords
exhaust gas
wet desulfurizing
desulfurizing method
slurry
solution
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
JP13851076A
Other languages
Japanese (ja)
Inventor
Koji Otani
Seiichi Yoshikawa
Ikuo Shimokawabe
Shigeoki Nishimura
Toshio Sawa
Koichi Fujiwara
Shinichiro Tsukahara
Tsukasa Nishimura
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
Hitachi Plant Engineering and Construction 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 Babcock Hitachi KK, Hitachi Ltd, Hitachi Plant Engineering and Construction Co Ltd filed Critical Babcock Hitachi KK
Priority to JP13851076A priority Critical patent/JPS5363278A/en
Publication of JPS5363278A publication Critical patent/JPS5363278A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/464—Sulfates of Ca from gases containing sulfur oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To decompose and to remove dithionic acid ions contained in circulating absorption solution so as to make discharge of blow down water possible by oxidation of lime slurry having absorbed SOx, by separation of gypsum from the oxidized slurry, and by heat treatment of the exhaust solution with strong acid.
COPYRIGHT: (C)1978,JPO&Japio
JP13851076A 1976-11-19 1976-11-19 Wet desulfurizing method for exhaust gas Pending JPS5363278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13851076A JPS5363278A (en) 1976-11-19 1976-11-19 Wet desulfurizing method for exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13851076A JPS5363278A (en) 1976-11-19 1976-11-19 Wet desulfurizing method for exhaust gas

Publications (1)

Publication Number Publication Date
JPS5363278A true JPS5363278A (en) 1978-06-06

Family

ID=15223814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13851076A Pending JPS5363278A (en) 1976-11-19 1976-11-19 Wet desulfurizing method for exhaust gas

Country Status (1)

Country Link
JP (1) JPS5363278A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002186830A (en) * 2000-12-22 2002-07-02 Ishikawajima Harima Heavy Ind Co Ltd Decomposition method and apparatus for hardly decomposable components in desulfurization wastewater

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169485A (en) * 1974-12-14 1976-06-16 Asahi Chemical Ind Nichionsanenno jokyohoho
JPS5178796A (en) * 1974-12-28 1976-07-08 Chisso Eng Co Ltd HAIGASUJOKAYOKYUSHUEKINO SHORIHOHO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169485A (en) * 1974-12-14 1976-06-16 Asahi Chemical Ind Nichionsanenno jokyohoho
JPS5178796A (en) * 1974-12-28 1976-07-08 Chisso Eng Co Ltd HAIGASUJOKAYOKYUSHUEKINO SHORIHOHO

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002186830A (en) * 2000-12-22 2002-07-02 Ishikawajima Harima Heavy Ind Co Ltd Decomposition method and apparatus for hardly decomposable components in desulfurization wastewater

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