SE300105B - - Google Patents

Info

Publication number
SE300105B
SE300105B SE240663A SE240663A SE300105B SE 300105 B SE300105 B SE 300105B SE 240663 A SE240663 A SE 240663A SE 240663 A SE240663 A SE 240663A SE 300105 B SE300105 B SE 300105B
Authority
SE
Sweden
Prior art keywords
hemihydrate
calcium sulphate
water
salts
compounds
Prior art date
Application number
SE240663A
Other languages
English (en)
Inventor
K Knauf
F Wirsching
B Wandser
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
Application filed by Knauf Westdeutsche Gips filed Critical Knauf Westdeutsche Gips
Publication of SE300105B publication Critical patent/SE300105B/xx

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
    • 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
    • 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
    • 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

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)
SE240663A 1962-03-09 1963-03-05 SE300105B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK46118A DE1174672B (de) 1962-03-09 1962-03-09 Verfahren zur Aufbereitung von Calciumsulfat-Dihydrat

Publications (1)

Publication Number Publication Date
SE300105B true SE300105B (sv) 1968-04-08

Family

ID=7224092

Family Applications (1)

Application Number Title Priority Date Filing Date
SE240663A SE300105B (sv) 1962-03-09 1963-03-05

Country Status (4)

Country Link
DE (1) DE1174672B (sv)
DK (1) DK114183B (sv)
GB (1) GB1027434A (sv)
SE (1) SE300105B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10023496B1 (en) * 2017-06-16 2018-07-17 United States Gypsum Company No fiber calcination of gypsum for gypsum fiberboard
CN114409285B (zh) * 2022-01-05 2023-06-13 北新集团建材股份有限公司 一种石膏原料预处理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1713868A (en) * 1928-07-18 1929-05-21 Rumford Chemical Works Process of treating acidulous by-product calcium sulphate

Also Published As

Publication number Publication date
DE1174672B (de) 1964-07-23
GB1027434A (en) 1966-04-27
DK114183B (da) 1969-06-02

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