AU457927B2 - Method of separating alpha-calciumsulphate-hemihydrate from a suspension, and of processing the hemihydrate to gypsum powder or articles - Google Patents

Method of separating alpha-calciumsulphate-hemihydrate from a suspension, and of processing the hemihydrate to gypsum powder or articles

Info

Publication number
AU457927B2
AU457927B2 AU45816/72A AU4581672A AU457927B2 AU 457927 B2 AU457927 B2 AU 457927B2 AU 45816/72 A AU45816/72 A AU 45816/72A AU 4581672 A AU4581672 A AU 4581672A AU 457927 B2 AU457927 B2 AU 457927B2
Authority
AU
Australia
Prior art keywords
hemihydrate
calciumsulphate
articles
suspension
processing
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.)
Expired
Application number
AU45816/72A
Other languages
English (en)
Other versions
AU4581672A (en
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.)
BK Giulini Chemie GmbH
Original Assignee
Giulini Gebrueder GmbH
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 Giulini Gebrueder GmbH filed Critical Giulini Gebrueder GmbH
Publication of AU4581672A publication Critical patent/AU4581672A/en
Application granted granted Critical
Publication of AU457927B2 publication Critical patent/AU457927B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
AU45816/72A 1971-09-15 1972-08-22 Method of separating alpha-calciumsulphate-hemihydrate from a suspension, and of processing the hemihydrate to gypsum powder or articles Expired AU457927B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEDE821460 1971-09-15
DE19712146007 DE2146007B2 (de) 1971-09-15 1971-09-15 Verfahren zur separation von alpha- calciumsulfat-halbhydrat aus einer suspension
ZA731540A ZA731540B (en) 1971-09-15 1973-03-06 A process for separating alpha calcium sulphate monohydrate from a suspension and for subsequent processing of the monohydrate to yield powdered gypsum or gypsum elements

Publications (2)

Publication Number Publication Date
AU4581672A AU4581672A (en) 1974-02-28
AU457927B2 true AU457927B2 (en) 1975-02-13

Family

ID=25761728

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45816/72A Expired AU457927B2 (en) 1971-09-15 1972-08-22 Method of separating alpha-calciumsulphate-hemihydrate from a suspension, and of processing the hemihydrate to gypsum powder or articles

Country Status (7)

Country Link
AU (1) AU457927B2 (https=)
BE (1) BE787408A (https=)
DE (1) DE2146007B2 (https=)
FR (1) FR2153905A5 (https=)
GB (1) GB1385757A (https=)
NL (1) NL7212495A (https=)
ZA (1) ZA731540B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1547422A (en) * 1975-03-31 1979-06-20 Japan Government Manufacture of gypsum
DE3331839C1 (de) * 1983-09-03 1985-03-21 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Verfahren zur Herstellung von Alphahalbhydrat-Gipskristallen aus Dihydrat-Gips enthaltenden Rückständen

Also Published As

Publication number Publication date
FR2153905A5 (https=) 1973-05-04
DE2146007A1 (de) 1973-03-22
DE2146007B2 (de) 1976-11-11
BE787408A (fr) 1972-12-01
AU4581672A (en) 1974-02-28
ZA731540B (en) 1974-02-27
NL7212495A (https=) 1973-03-19
GB1385757A (en) 1975-02-26

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