SE8207343D0 - Forfarande for omkristallisation av gips - Google Patents

Forfarande for omkristallisation av gips

Info

Publication number
SE8207343D0
SE8207343D0 SE8207343A SE8207343A SE8207343D0 SE 8207343 D0 SE8207343 D0 SE 8207343D0 SE 8207343 A SE8207343 A SE 8207343A SE 8207343 A SE8207343 A SE 8207343A SE 8207343 D0 SE8207343 D0 SE 8207343D0
Authority
SE
Sweden
Prior art keywords
gypsum
gyps
recycling
procedure
sulphuric acid
Prior art date
Application number
SE8207343A
Other languages
English (en)
Other versions
SE8207343L (sv
SE440069B (sv
Inventor
N E F Kullenberg
L E H Persson
Original Assignee
Boliden Ab
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 Boliden Ab filed Critical Boliden Ab
Priority to SE8207343A priority Critical patent/SE440069B/sv
Publication of SE8207343D0 publication Critical patent/SE8207343D0/sv
Priority to EP83850338A priority patent/EP0112317A1/en
Priority to FI834667A priority patent/FI834667A/fi
Publication of SE8207343L publication Critical patent/SE8207343L/sv
Publication of SE440069B publication Critical patent/SE440069B/sv

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
SE8207343A 1982-12-22 1982-12-22 Forfarande for omkristallisation av gips SE440069B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8207343A SE440069B (sv) 1982-12-22 1982-12-22 Forfarande for omkristallisation av gips
EP83850338A EP0112317A1 (en) 1982-12-22 1983-12-16 A method for re-crystallizing gypsum
FI834667A FI834667A (fi) 1982-12-22 1983-12-19 Foerfarande foer rekristallisering av gips.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8207343A SE440069B (sv) 1982-12-22 1982-12-22 Forfarande for omkristallisation av gips

Publications (3)

Publication Number Publication Date
SE8207343D0 true SE8207343D0 (sv) 1982-12-22
SE8207343L SE8207343L (sv) 1984-06-23
SE440069B SE440069B (sv) 1985-07-15

Family

ID=20349106

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8207343A SE440069B (sv) 1982-12-22 1982-12-22 Forfarande for omkristallisation av gips

Country Status (3)

Country Link
EP (1) EP0112317A1 (sv)
FI (1) FI834667A (sv)
SE (1) SE440069B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115924952A (zh) * 2022-12-14 2023-04-07 西南科技大学 硬石膏粉体、石膏晶须及其制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605393C1 (en) * 1986-02-20 1987-09-03 Knauf Westdeutsche Gips Process for the preparation of anhydrous calcium sulphate (anhydrite)
DE3625186A1 (de) * 1986-07-25 1988-01-28 Knauf Westdeutsche Gips Verfahren zur herstellung von abbindefaehigen calciumsulfaten und ihre verwendung
DE3714035A1 (de) * 1986-07-25 1988-11-24 Knauf Westdeutsche Gips Verfahren zur herstellung von abbindefaehigen calciumsulfaten und ihre verwendung
FR2647433B1 (fr) * 1989-05-23 1991-10-31 Lafarge Coppee Da Procede de preparation par voie aqueuse de sulfate de calcium purifie
CN114477818B (zh) * 2022-01-05 2024-01-19 中国科学院大学 一种常温常压下实现重金属石膏渣高效脱毒的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943497A (en) * 1932-03-19 1934-01-16 Bichowsky Foord Von Method for producing finely divided hydrated calcium sulphate
GB848617A (en) * 1957-12-26 1960-09-21 Nat Lead Co Improvements in or relating to the preparation of anhydrite
DE1118177B (de) * 1957-12-26 1961-11-30 Titan Gmbh Verfahren zur Herstellung von pigmentfeinem Anhydrit
LU49007A1 (sv) * 1965-07-07 1967-01-09
NL7812109A (nl) * 1978-12-13 1980-06-17 Stamicarbon Werkwijze voor het bereiden van calciumsulfaat- anhydriet en calciumsulfaatanhydriet verkregen volgens deze werkwijze.
NL8004058A (nl) * 1980-07-15 1982-02-16 Stamicarbon Werkwijze voor het bereiden van fosforzuur en calciumsulfaatanhydriet, alsmede fosforzuur en calciumsulfaatanhydriet verkregen volgens deze werkwijze.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115924952A (zh) * 2022-12-14 2023-04-07 西南科技大学 硬石膏粉体、石膏晶须及其制备方法
CN115924952B (zh) * 2022-12-14 2024-05-03 西南科技大学 硬石膏粉体、石膏晶须及其制备方法

Also Published As

Publication number Publication date
SE8207343L (sv) 1984-06-23
SE440069B (sv) 1985-07-15
EP0112317A1 (en) 1984-06-27
FI834667A0 (fi) 1983-12-19
FI834667A (fi) 1984-06-23

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