JPS5288294A - Recovery of gypsum from exhaust gas containing sulfur dioxide - Google Patents

Recovery of gypsum from exhaust gas containing sulfur dioxide

Info

Publication number
JPS5288294A
JPS5288294A JP459376A JP459376A JPS5288294A JP S5288294 A JPS5288294 A JP S5288294A JP 459376 A JP459376 A JP 459376A JP 459376 A JP459376 A JP 459376A JP S5288294 A JPS5288294 A JP S5288294A
Authority
JP
Japan
Prior art keywords
exhaust gas
gypsum
recovery
gas containing
sulfur dioxide
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
JP459376A
Other languages
Japanese (ja)
Other versions
JPS5523209B2 (en
Inventor
Etsuo Asanagi
Masakatsu Hizawa
Ataru Wakabayashi
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.)
Chiyoda Chemical Engineering and Construction Co Ltd
Original Assignee
Chiyoda Chemical 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 Chiyoda Chemical Engineering and Construction Co Ltd filed Critical Chiyoda Chemical Engineering and Construction Co Ltd
Priority to JP459376A priority Critical patent/JPS5288294A/en
Publication of JPS5288294A publication Critical patent/JPS5288294A/en
Publication of JPS5523209B2 publication Critical patent/JPS5523209B2/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 efficiently absorb SO2 in exhaust gas and to produce high quality plate gypsum by contacting the gas with an aqueous solution of alkali salts of specific organic acids and alkali salt of sulfuric acid and by neutralizing absorbed sulfurous acid with lime after oxidation.
COPYRIGHT: (C)1977,JPO&Japio
JP459376A 1976-01-20 1976-01-20 Recovery of gypsum from exhaust gas containing sulfur dioxide Granted JPS5288294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP459376A JPS5288294A (en) 1976-01-20 1976-01-20 Recovery of gypsum from exhaust gas containing sulfur dioxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP459376A JPS5288294A (en) 1976-01-20 1976-01-20 Recovery of gypsum from exhaust gas containing sulfur dioxide

Publications (2)

Publication Number Publication Date
JPS5288294A true JPS5288294A (en) 1977-07-23
JPS5523209B2 JPS5523209B2 (en) 1980-06-21

Family

ID=11588330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP459376A Granted JPS5288294A (en) 1976-01-20 1976-01-20 Recovery of gypsum from exhaust gas containing sulfur dioxide

Country Status (1)

Country Link
JP (1) JPS5288294A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136888U (en) * 1984-02-18 1985-09-11 株式会社　電元社製作所 Dual parts sorting and feeding device for spot welding machines

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU101738A (en) * 1938-03-14 1939-03-16 Grubic Cobbett Improvements in and relating tothe manufacture of wallboards andother moulded articles
US3928537A (en) * 1973-02-10 1975-12-23 Kureha Chemical Ind Co Ltd Method of removing sulfur dioxide from combustion exhaust gas
JPS5154075A (en) * 1974-11-06 1976-05-12 Kureha Chemical Ind Co Ltd HAIENDATSURYUHO
JPS51145469A (en) * 1975-06-10 1976-12-14 Kureha Chem Ind Co Ltd A process for removing sulfur oxides
JPS5218484A (en) * 1975-08-05 1977-02-12 Kureha Chem Ind Co Ltd Method of removing sulfur oxides

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU101738A (en) * 1938-03-14 1939-03-16 Grubic Cobbett Improvements in and relating tothe manufacture of wallboards andother moulded articles
US3928537A (en) * 1973-02-10 1975-12-23 Kureha Chemical Ind Co Ltd Method of removing sulfur dioxide from combustion exhaust gas
JPS5154075A (en) * 1974-11-06 1976-05-12 Kureha Chemical Ind Co Ltd HAIENDATSURYUHO
JPS51145469A (en) * 1975-06-10 1976-12-14 Kureha Chem Ind Co Ltd A process for removing sulfur oxides
JPS5218484A (en) * 1975-08-05 1977-02-12 Kureha Chem Ind Co Ltd Method of removing sulfur oxides

Also Published As

Publication number Publication date
JPS5523209B2 (en) 1980-06-21

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