IL35950A - Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum and a plaster or a cement containing the same - Google Patents

Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum and a plaster or a cement containing the same

Info

Publication number
IL35950A
IL35950A IL35950A IL3595071A IL35950A IL 35950 A IL35950 A IL 35950A IL 35950 A IL35950 A IL 35950A IL 3595071 A IL3595071 A IL 3595071A IL 35950 A IL35950 A IL 35950A
Authority
IL
Israel
Prior art keywords
plaster
manufacture
same
calcium sulphate
anhydrous calcium
Prior art date
Application number
IL35950A
Other languages
English (en)
Other versions
IL35950A0 (en
Original Assignee
Lafarge Ciments Sa
Progil
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 Lafarge Ciments Sa, Progil filed Critical Lafarge Ciments Sa
Publication of IL35950A0 publication Critical patent/IL35950A0/xx
Publication of IL35950A publication Critical patent/IL35950A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/05Calcium sulfate cements obtaining anhydrite, e.g. Keene's cement
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates
    • C01F11/466Conversion of one form of calcium sulfate to another
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • C01P2006/13Surface area thermal stability thereof at high temperatures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
IL35950A 1970-01-06 1971-01-04 Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum and a plaster or a cement containing the same IL35950A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IL35950A0 IL35950A0 (en) 1971-03-24
IL35950A true IL35950A (en) 1973-08-29

Family

ID=9048718

Family Applications (1)

Application Number Title Priority Date Filing Date
IL35950A IL35950A (en) 1970-01-06 1971-01-04 Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum and a plaster or a cement containing the same

Country Status (18)

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

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
EP0280000A1 (fr) * 1987-02-25 1988-08-31 Jean Charles Jouve Procédé de fabrication de l'anhydrite et installation pour sa mise en oeuvre
FR2588851B1 (fr) * 1985-10-17 1992-04-10 Jouve Jean Procede de fabrication de l'anhydrite et installation pour sa mise en oeuvre
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
KR102484387B1 (ko) * 2017-07-19 2023-01-03 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치

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
US3789111A (en) 1974-01-29
SE370691B (cs) 1974-10-28
NL7100120A (cs) 1971-07-08
GB1332992A (en) 1973-10-10
CA938082A (en) 1973-12-11
AT319132B (de) 1974-12-10
DE2064210A1 (de) 1971-07-22
YU321470A (en) 1979-02-28
FR2076260A5 (cs) 1971-10-15
CS174810B2 (cs) 1977-04-29
PL85108B1 (cs) 1976-04-30
ZA7151B (en) 1971-10-27
IL35950A0 (en) 1971-03-24
YU34505B (en) 1979-09-10
CH527135A (fr) 1972-08-31
SU430538A3 (ru) 1974-05-30
ES387014A1 (es) 1973-04-16
JPS4927753B1 (cs) 1974-07-20
BE761241A (fr) 1971-06-16
DE2064210B2 (de) 1977-06-02

Similar Documents

Publication Publication Date Title
GB1549029A (en) Process for the conversion of gypsum into calcium sulphate hemihydrate
IL25128A (en) Process for the production of calcium sulphate alpha-hemihydrate crystals
EG12392A (en) Process for casting of articles containing calcined gypsum and their use as building units
ZA774524B (en) Calcium sulphate hemihydrate plaster
BE828278A (fr) Production de semi-hydrate alpha de sulfate de calcium
IL35769A0 (en) Method of and composition for accelerating the setting of a tricalcium silicate cement or a mortar or concrete containing a tricalcium silicate
ZA738038B (en) Washing of calcium sulphate hemihydrate crystals
FI47652C (fi) Menetelmä fosforihapon ja kalsiumsulfaatin hemihydraatin valmistamisek si.
IL35950A (en) Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum and a plaster or a cement containing the same
ZA727127B (en) Process for the manufacture of cement clinker and sulphu dioxide
AT294671B (de) Verfahren zur kontinuierlichen herstellung von wasserfreiem calciumsulfat und calciumsulfat-semihydrat
ZA742881B (en) Process for the production of calcium fluoride from fluosilicates and byproduct gypsum
ZA757656B (en) The purification of waste gypsum
IL32393A0 (en) Continuous manufacture of anhydrous calcium sulphate and calcium sulphate hemihydrate from synthetic gypsum
CS188109B2 (en) Method of crystal growth controlling at the hydrothermal production of calcium sulphate alpha-hemihydrate
IE42222L (en) Calcium sulphate ó-semihydrate
IL46920A (en) Production of plasters from phosphogypsum
RO67313A (ro) Procedeu si instalatie pentru obtinerea sulfatului de calciu
AU491623B2 (en) Manufacture of calcium sulphate alpha-hemihydrate
ZA723270B (en) Improvements in the manufacture of calcium sulphate dihydrate
YU39519B (en) Process for the manufacture of phosphoric acid and calcium sulfate dihydrate
AU426776B2 (en) Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum
CA786843A (en) Method of making calcium aluminate cement
AU289004B2 (en) Continuous process forthe production of calcium sulphate hemi-hydrate from gypsum
IT1049455B (it) Procedimento per preparare solfato di calcio emiidrato e.o anidrite