FR2202851B1 - - Google Patents

Info

Publication number
FR2202851B1
FR2202851B1 FR7236170A FR7236170A FR2202851B1 FR 2202851 B1 FR2202851 B1 FR 2202851B1 FR 7236170 A FR7236170 A FR 7236170A FR 7236170 A FR7236170 A FR 7236170A FR 2202851 B1 FR2202851 B1 FR 2202851B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7236170A
Other versions
FR2202851A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Industrie SA
Original Assignee
Air Industrie SA
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 Air Industrie SA filed Critical Air Industrie SA
Priority to FR7236170A priority Critical patent/FR2202851B1/fr
Priority to OA55030A priority patent/OA04674A/fr
Priority to BE2053133A priority patent/BE805808A/fr
Priority to DE19732350772 priority patent/DE2350772A1/de
Priority to GB4741873A priority patent/GB1429259A/en
Priority to LU68591A priority patent/LU68591A1/xx
Priority to BR7953/73A priority patent/BR7307953D0/pt
Priority to IT70002/73A priority patent/IT999642B/it
Priority to ES419558A priority patent/ES419558A1/es
Priority to IE1825/73A priority patent/IE38376B1/xx
Priority to NL7314064A priority patent/NL7314064A/xx
Priority to JP48115256A priority patent/JPS4975496A/ja
Priority to IL43439A priority patent/IL43439A/en
Publication of FR2202851A1 publication Critical patent/FR2202851A1/fr
Application granted granted Critical
Publication of FR2202851B1 publication Critical patent/FR2202851B1/fr
Expired legal-status Critical Current

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
    • 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

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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Drying Of Solid Materials (AREA)
FR7236170A 1972-10-12 1972-10-12 Expired FR2202851B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR7236170A FR2202851B1 (fr) 1972-10-12 1972-10-12
OA55030A OA04674A (fr) 1972-10-12 1973-10-09 Procédé de préparation de sulfates de calcium déshydratés à partir de phosphogypses.
BE2053133A BE805808A (fr) 1972-10-12 1973-10-09 Procede de preparation de sulfates de calcium deshydrates a partir de phosphogypses
GB4741873A GB1429259A (en) 1972-10-12 1973-10-10 Production of plaster
LU68591A LU68591A1 (fr) 1972-10-12 1973-10-10
DE19732350772 DE2350772A1 (de) 1972-10-12 1973-10-10 Verfahren zur herstellung von dehydratisierten calciumsulfaten
BR7953/73A BR7307953D0 (pt) 1972-10-12 1973-10-11 Processo para a preparacao de sulfatos de calcio desidratados a partir de fosfogipsos
IT70002/73A IT999642B (it) 1972-10-12 1973-10-11 Procedimento per la preparazione dei solfati di calcio disidratati a partire da gessi fosfatici
ES419558A ES419558A1 (es) 1972-10-12 1973-10-11 Procedimiento de preparacion de yesos.
IE1825/73A IE38376B1 (en) 1972-10-12 1973-10-12 Improvements in or relating to the production of plaster
NL7314064A NL7314064A (fr) 1972-10-12 1973-10-12
JP48115256A JPS4975496A (fr) 1972-10-12 1973-10-12
IL43439A IL43439A (en) 1972-10-12 1973-10-17 Preparation of calcined gypsum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7236170A FR2202851B1 (fr) 1972-10-12 1972-10-12

Publications (2)

Publication Number Publication Date
FR2202851A1 FR2202851A1 (fr) 1974-05-10
FR2202851B1 true FR2202851B1 (fr) 1978-12-29

Family

ID=9105549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236170A Expired FR2202851B1 (fr) 1972-10-12 1972-10-12

Country Status (13)

Country Link
JP (1) JPS4975496A (fr)
BE (1) BE805808A (fr)
BR (1) BR7307953D0 (fr)
DE (1) DE2350772A1 (fr)
ES (1) ES419558A1 (fr)
FR (1) FR2202851B1 (fr)
GB (1) GB1429259A (fr)
IE (1) IE38376B1 (fr)
IL (1) IL43439A (fr)
IT (1) IT999642B (fr)
LU (1) LU68591A1 (fr)
NL (1) NL7314064A (fr)
OA (1) OA04674A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140702A (en) * 1980-11-10 1984-12-05 Bpb Industries Plc Fluidised bed calcination
AU3354697A (en) * 1997-07-15 1999-02-10 Marceli Cyrkiewicz Method and apparatus for the processing of phosphate gypsum waste
FR3059574A1 (fr) * 2016-12-07 2018-06-08 Ocp Sa Systeme d'evacuation de phosphogypse
CN112811837B (zh) * 2020-12-31 2023-06-16 湖北聚海环境科技有限公司 一种再生集料高温余热脱水烘干磷石膏的系统设备及方法
CN113772979A (zh) * 2021-09-15 2021-12-10 贵州中建建筑科研设计院有限公司 一种基准磷建筑石膏及其制作方法与应用

Also Published As

Publication number Publication date
ES419558A1 (es) 1976-07-16
OA04674A (fr) 1980-07-31
IL43439A (en) 1976-08-31
IE38376B1 (en) 1978-03-01
FR2202851A1 (fr) 1974-05-10
DE2350772A1 (de) 1974-04-18
GB1429259A (en) 1976-03-24
BE805808A (fr) 1974-02-01
LU68591A1 (fr) 1973-12-14
JPS4975496A (fr) 1974-07-22
NL7314064A (fr) 1974-04-16
IE38376L (en) 1974-04-12
IL43439A0 (en) 1974-03-14
IT999642B (it) 1976-03-10
BR7307953D0 (pt) 1974-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property