DE2522005A1 - Verfahren zur herstellung von alpha-hemihydrat aus gips - Google Patents

Verfahren zur herstellung von alpha-hemihydrat aus gips

Info

Publication number
DE2522005A1
DE2522005A1 DE19752522005 DE2522005A DE2522005A1 DE 2522005 A1 DE2522005 A1 DE 2522005A1 DE 19752522005 DE19752522005 DE 19752522005 DE 2522005 A DE2522005 A DE 2522005A DE 2522005 A1 DE2522005 A1 DE 2522005A1
Authority
DE
Germany
Prior art keywords
hemihydrate
slurry
berlin
water
dihydrate
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
DE19752522005
Other languages
German (de)
English (en)
Inventor
Kyoji Kubo
Kikuji Tsuneyoshi
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
Publication of DE2522005A1 publication Critical patent/DE2522005A1/de
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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE19752522005 1974-05-15 1975-05-15 Verfahren zur herstellung von alpha-hemihydrat aus gips Pending DE2522005A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49053187A JPS593406B2 (ja) 1974-05-15 1974-05-15 アルフア−ガタハンスイセツコウ ノ セイゾウホウホウ

Publications (1)

Publication Number Publication Date
DE2522005A1 true DE2522005A1 (de) 1976-04-08

Family

ID=12935858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752522005 Pending DE2522005A1 (de) 1974-05-15 1975-05-15 Verfahren zur herstellung von alpha-hemihydrat aus gips

Country Status (5)

Country Link
JP (1) JPS593406B2 (enExample)
DE (1) DE2522005A1 (enExample)
FR (1) FR2271185B1 (enExample)
GB (1) GB1486966A (enExample)
SU (1) SU791217A3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854722A1 (de) * 1977-12-29 1979-07-05 Idemitsu Kosan Co Verfahren zur herstellung von calciumsulfat

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107746195B (zh) * 2017-02-06 2020-05-01 宁夏博得石膏科技有限公司 一种高效生产α型半水石膏的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838298A (enExample) * 1971-09-15 1973-06-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854722A1 (de) * 1977-12-29 1979-07-05 Idemitsu Kosan Co Verfahren zur herstellung von calciumsulfat

Also Published As

Publication number Publication date
FR2271185B1 (enExample) 1980-11-14
JPS593406B2 (ja) 1984-01-24
SU791217A3 (ru) 1980-12-23
JPS50145393A (enExample) 1975-11-21
FR2271185A1 (enExample) 1975-12-12
GB1486966A (en) 1977-09-28

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Legal Events

Date Code Title Description
OHW Rejection