JPS53147678A - Improved dry exhaust gas desurfurization method - Google Patents

Improved dry exhaust gas desurfurization method

Info

Publication number
JPS53147678A
JPS53147678A JP6373577A JP6373577A JPS53147678A JP S53147678 A JPS53147678 A JP S53147678A JP 6373577 A JP6373577 A JP 6373577A JP 6373577 A JP6373577 A JP 6373577A JP S53147678 A JPS53147678 A JP S53147678A
Authority
JP
Japan
Prior art keywords
desurfurization
exhaust gas
improved dry
dry exhaust
alkali sulfate
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
JP6373577A
Other languages
Japanese (ja)
Other versions
JPS5530405B2 (en
Inventor
Tomijiro Morita
Isao Funahashi
Noriharu Matsuda
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to JP6373577A priority Critical patent/JPS53147678A/en
Publication of JPS53147678A publication Critical patent/JPS53147678A/en
Publication of JPS5530405B2 publication Critical patent/JPS5530405B2/ja
Granted 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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To decompose dithionate without using additional acid through heating of part of filtrate with an addition of sulfuric acid for converting alkali sulfate after gypsum is separated in desurfurization of solution containing alkali sulfate.
COPYRIGHT: (C)1978,JPO&Japio
JP6373577A 1977-05-31 1977-05-31 Improved dry exhaust gas desurfurization method Granted JPS53147678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6373577A JPS53147678A (en) 1977-05-31 1977-05-31 Improved dry exhaust gas desurfurization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6373577A JPS53147678A (en) 1977-05-31 1977-05-31 Improved dry exhaust gas desurfurization method

Publications (2)

Publication Number Publication Date
JPS53147678A true JPS53147678A (en) 1978-12-22
JPS5530405B2 JPS5530405B2 (en) 1980-08-11

Family

ID=13237950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6373577A Granted JPS53147678A (en) 1977-05-31 1977-05-31 Improved dry exhaust gas desurfurization method

Country Status (1)

Country Link
JP (1) JPS53147678A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447493A (en) * 1987-08-17 1989-02-21 Mitsubishi Heavy Ind Ltd Treatment of waste water from flue gas desulfurization

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529199A (en) * 1975-07-10 1977-01-24 Benitz Earl Slide mechanism for use in spanner provided with screw holding type bit which is capable of enlarging thickness

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529199A (en) * 1975-07-10 1977-01-24 Benitz Earl Slide mechanism for use in spanner provided with screw holding type bit which is capable of enlarging thickness

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447493A (en) * 1987-08-17 1989-02-21 Mitsubishi Heavy Ind Ltd Treatment of waste water from flue gas desulfurization

Also Published As

Publication number Publication date
JPS5530405B2 (en) 1980-08-11

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