YU34505B - Process for producing anhydrous calcium sulfate, called anhydrite, starting from synthetic gypsum - Google Patents

Process for producing anhydrous calcium sulfate, called anhydrite, starting from synthetic gypsum

Info

Publication number
YU34505B
YU34505B YU3214/70A YU321470A YU34505B YU 34505 B YU34505 B YU 34505B YU 3214/70 A YU3214/70 A YU 3214/70A YU 321470 A YU321470 A YU 321470A YU 34505 B YU34505 B YU 34505B
Authority
YU
Yugoslavia
Prior art keywords
starting
calcium sulfate
anhydrous calcium
synthetic gypsum
producing anhydrous
Prior art date
Application number
YU3214/70A
Other languages
English (en)
Other versions
YU321470A (en
Inventor
Chaurand Patrice
Patrice Chaurand
Magnan Regis
Regis Magnan
Coquery Jean Paul
Jean Paul Coquery
Original Assignee
Progil I Cimentk Lafarge
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 Progil I Cimentk Lafarge filed Critical Progil I Cimentk Lafarge
Publication of YU321470A publication Critical patent/YU321470A/xx
Publication of YU34505B publication Critical patent/YU34505B/xx

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
    • C04B11/05—Calcium sulfate cements obtaining anhydrite, e.g. Keene's cement
    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C01P2006/13—Surface area thermal stability thereof at high temperatures

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)
  • Catalysts (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
YU3214/70A 1970-01-06 1970-12-31 Process for producing anhydrous calcium sulfate, called anhydrite, starting from synthetic gypsum YU34505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7000480A FR2076260A5 (de) 1970-01-06 1970-01-06

Publications (2)

Publication Number Publication Date
YU321470A YU321470A (en) 1979-02-28
YU34505B true YU34505B (en) 1979-09-10

Family

ID=9048718

Family Applications (1)

Application Number Title Priority Date Filing Date
YU3214/70A YU34505B (en) 1970-01-06 1970-12-31 Process for producing anhydrous calcium sulfate, called anhydrite, starting from synthetic gypsum

Country Status (18)

Country Link
US (1) US3789111A (de)
JP (1) JPS4927753B1 (de)
AT (1) AT319132B (de)
BE (1) BE761241A (de)
CA (1) CA938082A (de)
CH (1) CH527135A (de)
CS (1) CS174810B2 (de)
DE (1) DE2064210B2 (de)
ES (1) ES387014A1 (de)
FR (1) FR2076260A5 (de)
GB (1) GB1332992A (de)
IL (1) IL35950A (de)
NL (1) NL7100120A (de)
PL (1) PL85108B1 (de)
SE (1) SE370691B (de)
SU (1) SU430538A3 (de)
YU (1) YU34505B (de)
ZA (1) ZA7151B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388771A1 (fr) * 1977-04-29 1978-11-24 Lafarge Sa Platre obtenu a partir de phosphogypses et procede pour son obtention
FR2588851B1 (fr) * 1985-10-17 1992-04-10 Jouve Jean Procede de fabrication de l'anhydrite et installation pour sa mise en oeuvre
EP0280000A1 (de) * 1987-02-25 1988-08-31 Jean Charles Jouve Verfahren zur Herstellung von Anhydrit und Einrichtung zu dessen Ausführung
DE3827612A1 (de) * 1988-08-13 1990-02-15 Viktor Dr Ing Gobiet Baustoff fuer die verwendung im untertagebetrieb
DD296058A5 (de) * 1990-02-19 1991-11-21 Veb Zementwerke Ruedersdorf,De Verfahren zum dehydratisieren von anfallgipsen
DE19639448A1 (de) * 1996-09-25 1998-04-02 Sicowa Verfahrenstech Verfahren zur Herstellung von schwerlöslichem Calciumsulfat-Anhydrit-II
CN114554221B (zh) * 2017-07-19 2023-08-01 三星电子株式会社 编码方法及用于其的设备、解码方法及用于其的设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1463913A (en) * 1919-03-29 1923-08-07 Francis B Stuart Process of dehydrating gypsum
US2113370A (en) * 1935-06-20 1938-04-05 Ici Ltd Calcium sulphate plaster
GB1101771A (en) * 1963-08-14 1968-01-31 Bpb Industries Ltd Improvements relating to the production of gypsum plaster
AT273042B (de) * 1967-04-07 1969-07-25 Chemie Linz Ag Verfahren zur Entfernung von Fluor und Phosphat aus Phosphorsäurefällungsgips
GB1262084A (en) * 1968-05-28 1972-02-02 Bpb Industries Ltd Anhydrous calcium sulphate

Also Published As

Publication number Publication date
ES387014A1 (es) 1973-04-16
GB1332992A (en) 1973-10-10
IL35950A (en) 1973-08-29
JPS4927753B1 (de) 1974-07-20
CH527135A (fr) 1972-08-31
YU321470A (en) 1979-02-28
BE761241A (fr) 1971-06-16
DE2064210B2 (de) 1977-06-02
ZA7151B (en) 1971-10-27
CS174810B2 (de) 1977-04-29
IL35950A0 (en) 1971-03-24
SU430538A3 (ru) 1974-05-30
CA938082A (en) 1973-12-11
NL7100120A (de) 1971-07-08
FR2076260A5 (de) 1971-10-15
US3789111A (en) 1974-01-29
AT319132B (de) 1974-12-10
PL85108B1 (de) 1976-04-30
DE2064210A1 (de) 1971-07-22
SE370691B (de) 1974-10-28

Similar Documents

Publication Publication Date Title
ZA713069B (en) A process for forming a modified portland cement
IL25128A (en) Process for the production of calcium sulphate alpha-hemihydrate crystals
BE828278A (fr) Production de semi-hydrate alpha de sulfate de calcium
YU34649B (en) Process for producing light-weight building elements
ZM16971A1 (en) A process for producing calcium hypochlorite
FR93737E (fr) Procédé pour la fabrication continue de sulfate de calcium alpha-hémihydraté a partir du gypse.
ZA707296B (en) A process for the production of neutral calcium hypochlorite crystals
YU34505B (en) Process for producing anhydrous calcium sulfate, called anhydrite, starting from synthetic gypsum
YU313274A (en) Process for obtaining calcium hypochlorite
YU204671A (en) Device for treating clinker for producing super white cements
ZA73757B (en) Process for the production of pneumatically feedable anhydrite
CA1004237A (en) High calcium sulfate expansive clinker
OA04674A (fr) Procédé de préparation de sulfates de calcium déshydratés à partir de phosphogypses.
CA956981A (en) Process for producing plaster from byproduct gypsum
DK131143B (da) Fremgangsmåde til fremstilling af i det væsentlige vandfrit calciumsulfat.
HU172996B (hu) Sposob poluchenija ognestojjkogo sinter-materiala
ZA707693B (en) A process for the production of zearalenone
ZA742504B (en) A process for producing calcium circonate
ZA713975B (en) Process for decomposing calcium sulfate
ZA717800B (en) A process for producing calcium hypochlorite
ZA733834B (en) Process for producing 2-hydroxymethyl-3-phenyl-4(3h)-quinazolinone
YU148769A (en) Process for the continuous preparation of anhydrous calcium sulfate
AU289004B2 (en) Continuous process forthe production of calcium sulphate hemi-hydrate from gypsum
AU426776B2 (en) Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum
AU5231664A (en) Continuous process forthe production of calcium sulphate hemi-hydrate from gypsum