JPS5265795A - Method for production of anhydrous gypsum of type ii - Google Patents

Method for production of anhydrous gypsum of type ii

Info

Publication number
JPS5265795A
JPS5265795A JP14176375A JP14176375A JPS5265795A JP S5265795 A JPS5265795 A JP S5265795A JP 14176375 A JP14176375 A JP 14176375A JP 14176375 A JP14176375 A JP 14176375A JP S5265795 A JPS5265795 A JP S5265795A
Authority
JP
Japan
Prior art keywords
production
type
anhydrous gypsum
slurry
thin plate
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
JP14176375A
Other languages
Japanese (ja)
Other versions
JPS5347316B2 (en
Inventor
Kikuji Tsuneyoshi
Kyoji Kubo
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP14176375A priority Critical patent/JPS5265795A/en
Publication of JPS5265795A publication Critical patent/JPS5265795A/en
Publication of JPS5347316B2 publication Critical patent/JPS5347316B2/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

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 needle-like or thin plate-like titled product by treating hydrothermally slurry of gypsum dihydrate containing specified amount of sodium citrate for a fixed period under specified temperature condition.
COPYRIGHT: (C)1977,JPO&Japio
JP14176375A 1975-11-27 1975-11-27 Method for production of anhydrous gypsum of type ii Granted JPS5265795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14176375A JPS5265795A (en) 1975-11-27 1975-11-27 Method for production of anhydrous gypsum of type ii

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14176375A JPS5265795A (en) 1975-11-27 1975-11-27 Method for production of anhydrous gypsum of type ii

Publications (2)

Publication Number Publication Date
JPS5265795A true JPS5265795A (en) 1977-05-31
JPS5347316B2 JPS5347316B2 (en) 1978-12-20

Family

ID=15299605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14176375A Granted JPS5265795A (en) 1975-11-27 1975-11-27 Method for production of anhydrous gypsum of type ii

Country Status (1)

Country Link
JP (1) JPS5265795A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379266A2 (en) * 1989-01-17 1990-07-25 Mitsubishi Jukogyo Kabushiki Kaisha Production method for anhydrous gypsum
JP2007269520A (en) * 2006-03-30 2007-10-18 Sumitomo Osaka Cement Co Ltd Quick-hardening cement composition and method for producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50141764A (en) * 1974-04-30 1975-11-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50141764A (en) * 1974-04-30 1975-11-14

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379266A2 (en) * 1989-01-17 1990-07-25 Mitsubishi Jukogyo Kabushiki Kaisha Production method for anhydrous gypsum
JP2007269520A (en) * 2006-03-30 2007-10-18 Sumitomo Osaka Cement Co Ltd Quick-hardening cement composition and method for producing the same
JP4677360B2 (en) * 2006-03-30 2011-04-27 住友大阪セメント株式会社 Quick-hardening cement composition and method for producing the same

Also Published As

Publication number Publication date
JPS5347316B2 (en) 1978-12-20

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