JPS5271397A - Production of alphagypsum -hemihydrate - Google Patents

Production of alphagypsum -hemihydrate

Info

Publication number
JPS5271397A
JPS5271397A JP14800175A JP14800175A JPS5271397A JP S5271397 A JPS5271397 A JP S5271397A JP 14800175 A JP14800175 A JP 14800175A JP 14800175 A JP14800175 A JP 14800175A JP S5271397 A JPS5271397 A JP S5271397A
Authority
JP
Japan
Prior art keywords
hemihydrate
alphagypsum
production
gypsum
lime
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
JP14800175A
Other languages
Japanese (ja)
Inventor
Yukio Takigawa
Toshinori Dai
Yoshio Kanemasa
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei 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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP14800175A priority Critical patent/JPS5271397A/en
Publication of JPS5271397A publication Critical patent/JPS5271397A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To produce directly gypsum α-hemihydrate by the reaction of sulfuric acid with lime.
COPYRIGHT: (C)1977,JPO&Japio
JP14800175A 1975-12-12 1975-12-12 Production of alphagypsum -hemihydrate Pending JPS5271397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14800175A JPS5271397A (en) 1975-12-12 1975-12-12 Production of alphagypsum -hemihydrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14800175A JPS5271397A (en) 1975-12-12 1975-12-12 Production of alphagypsum -hemihydrate

Publications (1)

Publication Number Publication Date
JPS5271397A true JPS5271397A (en) 1977-06-14

Family

ID=15442882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14800175A Pending JPS5271397A (en) 1975-12-12 1975-12-12 Production of alphagypsum -hemihydrate

Country Status (1)

Country Link
JP (1) JPS5271397A (en)

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