BE890832A - PROCESS FOR THE PREPARATION OF A MIXTURE OF ANHYDRITE-GYPSUM - Google Patents

PROCESS FOR THE PREPARATION OF A MIXTURE OF ANHYDRITE-GYPSUM

Info

Publication number
BE890832A
BE890832A BE0/206322A BE206322A BE890832A BE 890832 A BE890832 A BE 890832A BE 0/206322 A BE0/206322 A BE 0/206322A BE 206322 A BE206322 A BE 206322A BE 890832 A BE890832 A BE 890832A
Authority
BE
Belgium
Prior art keywords
anhydrite
gypsum
mixture
preparation
Prior art date
Application number
BE0/206322A
Other languages
French (fr)
Original Assignee
Knauf Westdeutsche Gips
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 claimed from DE19803040688 external-priority patent/DE3040688C2/en
Application filed by Knauf Westdeutsche Gips filed Critical Knauf Westdeutsche Gips
Publication of BE890832A publication Critical patent/BE890832A/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
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • 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
    • C04B11/06—Calcium sulfate cements starting from anhydrite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (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)
BE0/206322A 1980-10-29 1981-10-22 PROCESS FOR THE PREPARATION OF A MIXTURE OF ANHYDRITE-GYPSUM BE890832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803040688 DE3040688C2 (en) 1979-02-03 1980-10-29 Process for the production of an anhydrite-gypsum mixture from finely divided synthetic calcium sulfate dihydrate

Publications (1)

Publication Number Publication Date
BE890832A true BE890832A (en) 1982-02-15

Family

ID=6115429

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/206322A BE890832A (en) 1980-10-29 1981-10-22 PROCESS FOR THE PREPARATION OF A MIXTURE OF ANHYDRITE-GYPSUM

Country Status (3)

Country Link
BE (1) BE890832A (en)
FR (1) FR2497190B2 (en)
NL (1) NL8104360A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1250222A4 (en) 2000-01-05 2003-04-16 Saint Gobain Technical Fabrics Smooth reinforced cementitious boards and methods of making same

Also Published As

Publication number Publication date
FR2497190A2 (en) 1982-07-02
NL8104360A (en) 1982-05-17
FR2497190B2 (en) 1986-02-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEBR. KNAUF WESTDEUTSCHE GIPSWERKE

Effective date: 19881031