BE892194A - Procede et installation pour la production de sulfate de calcium hemi-hydrate alpha sous la pression ordinaire - Google Patents

Procede et installation pour la production de sulfate de calcium hemi-hydrate alpha sous la pression ordinaire

Info

Publication number
BE892194A
BE892194A BE0/207351A BE207351A BE892194A BE 892194 A BE892194 A BE 892194A BE 0/207351 A BE0/207351 A BE 0/207351A BE 207351 A BE207351 A BE 207351A BE 892194 A BE892194 A BE 892194A
Authority
BE
Belgium
Prior art keywords
plant
production
calcium sulfate
under ordinary
ordinary pressure
Prior art date
Application number
BE0/207351A
Other languages
English (en)
Inventor
H Schmidt
Original Assignee
Salzgitter Maschinen Ag
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 Salzgitter Maschinen Ag filed Critical Salzgitter Maschinen Ag
Publication of BE892194A publication Critical patent/BE892194A/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • 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
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE0/207351A 1981-10-03 1982-02-18 Procede et installation pour la production de sulfate de calcium hemi-hydrate alpha sous la pression ordinaire BE892194A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813139384 DE3139384A1 (de) 1981-10-03 1981-10-03 Verfahren und vorrichtung zur drucklosen herstellung von (alpha)-calciumsulfat-halbhydrat

Publications (1)

Publication Number Publication Date
BE892194A true BE892194A (fr) 1982-06-16

Family

ID=6143322

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/207351A BE892194A (fr) 1981-10-03 1982-02-18 Procede et installation pour la production de sulfate de calcium hemi-hydrate alpha sous la pression ordinaire

Country Status (3)

Country Link
EP (1) EP0077475A3 (fr)
BE (1) BE892194A (fr)
DE (1) DE3139384A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700327B1 (fr) * 1993-01-14 1995-03-24 Gupsos Procédé de pilotage d'un four à plâtre ainsi que le dispositif associé.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157128B (de) * 1962-05-25 1963-11-07 Giulini Ges Mit Beschraenkter Verfahren zur Herstellung von ª‡-Calciumsulfat-Halbhydrat aus synthetischem Calciumsulfat-Dihydrat
GB1101771A (en) * 1963-08-14 1968-01-31 Bpb Industries Ltd Improvements relating to the production of gypsum plaster
GB1051849A (fr) * 1963-12-03
DE1238374B (de) * 1965-04-24 1967-04-06 Giulini Ges Mit Beschraenkter Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
AU6714265A (en) * 1965-11-26 1968-05-16 Continuous production of alpha plaster
DE1592080A1 (de) * 1966-10-27 1970-09-10 Central Glass Co Ltd Herstellungsverfahren fuer Gips von hoher Reinheit
DE1592121C3 (de) * 1967-08-16 1975-08-14 Gebrueder Giulini Gmbh, 6700 Ludwigshafen Verfahren zur kontinuierlichen Herstellung von alpha-Calciumsulfat-Halbhydrat
AU423448B2 (en) * 1968-03-28 1972-04-21 Monzino Riotinto Of Australia Limited Production of alpha plaster
DE1940007B2 (de) * 1969-08-06 1973-06-07 Rheinstahl Ag, 4300 Essen Verfahren zum brennen von gips in einem heizgasstrom
DE2102766A1 (de) * 1971-01-21 1972-08-03 Zimmermann & Vonhof Kessel-, Behälter- und Apparatebau KG, 5674 Bergisch Neukirchen Verfahren und Vorrichtung zum Trocknen von staub- oder mehlförmigen Schüttgütern
GB1585584A (en) * 1976-06-08 1981-03-04 Kobe Steel Ltd Process and apparatus for heating solid materials containing volatile matter

Also Published As

Publication number Publication date
EP0077475A3 (fr) 1985-08-21
EP0077475A2 (fr) 1983-04-27
DE3139384A1 (de) 1983-04-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SALZGITTER MASCHINEN UND ANLAGEN A.G.

Effective date: 19860228