ZA731540B - 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 - Google Patents

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

Info

Publication number
ZA731540B
ZA731540B ZA731540A ZA731540A ZA731540B ZA 731540 B ZA731540 B ZA 731540B ZA 731540 A ZA731540 A ZA 731540A ZA 731540 A ZA731540 A ZA 731540A ZA 731540 B ZA731540 B ZA 731540B
Authority
ZA
South Africa
Prior art keywords
monohydrate
gypsum
suspension
subsequent processing
calcium sulphate
Prior art date
Application number
ZA731540A
Inventor
E Cherdron
M Haerter
E Urmann
H Forster
Original Assignee
Giulini Gmbh Geb
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
Priority to DE19712146007 priority Critical patent/DE2146007B2/en
Priority to BE787408A priority patent/BE787408A/en
Priority to AU45816/72A priority patent/AU457927B2/en
Priority to FR7231126A priority patent/FR2153905A5/fr
Priority to GB4257072A priority patent/GB1385757A/en
Priority to NL7212495A priority patent/NL7212495A/xx
Application filed by Giulini Gmbh Geb filed Critical Giulini Gmbh Geb
Priority to ZA731540A priority patent/ZA731540B/en
Publication of ZA731540B publication Critical patent/ZA731540B/en

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)
ZA731540A 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 ZA731540B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19712146007 DE2146007B2 (en) 1971-09-15 1971-09-15 PROCESS FOR THE SEPARATION OF ALPHA CALCIUM SULFATE HALBYDRATE FROM A SUSPENSION
BE787408A BE787408A (en) 1971-09-15 1972-08-10 PROCESS FOR SEPARATION OF CALCIUM ALPHA-SULPHATE HEMIHYDRATE AND TRANSFORMATION OF HEMIHYDRATE INTO GYPSUM BODY
AU45816/72A 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
FR7231126A FR2153905A5 (en) 1971-09-15 1972-09-01
GB4257072A GB1385757A (en) 1971-09-15 1972-09-13 Treating calcium sulphate
NL7212495A NL7212495A (en) 1971-09-15 1972-09-14
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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712146007 DE2146007B2 (en) 1971-09-15 1971-09-15 PROCESS FOR THE SEPARATION OF ALPHA CALCIUM SULFATE HALBYDRATE FROM A 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 (1)

Publication Number Publication Date
ZA731540B true ZA731540B (en) 1974-02-27

Family

ID=25761728

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1547424A (en) * 1975-03-31 1979-06-20 Japan Government Method of producing needlelike 11-anhydrite gypsum
DE3331839C1 (en) * 1983-09-03 1985-03-21 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen Process for producing crystalline gypsum alpha-hemihydrate from residues containing gypsum dihydrate

Also Published As

Publication number Publication date
AU4581672A (en) 1974-02-28
NL7212495A (en) 1973-03-19
DE2146007A1 (en) 1973-03-22
GB1385757A (en) 1975-02-26
BE787408A (en) 1972-12-01
AU457927B2 (en) 1975-02-13
FR2153905A5 (en) 1973-05-04
DE2146007B2 (en) 1976-11-11

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