FR945498A - Method of dehydration of hydrated calcium sulfate - Google Patents

Method of dehydration of hydrated calcium sulfate

Info

Publication number
FR945498A
FR945498A FR945498DA FR945498A FR 945498 A FR945498 A FR 945498A FR 945498D A FR945498D A FR 945498DA FR 945498 A FR945498 A FR 945498A
Authority
FR
France
Prior art keywords
dehydration
calcium sulfate
hydrated calcium
hydrated
sulfate
Prior art date
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
Other languages
French (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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR945498A publication Critical patent/FR945498A/en
Expired legal-status Critical Current

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
    • C04B11/02—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
    • C04B11/0283—Fluidised beds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treating Waste Gases (AREA)
FR945498D 1946-04-05 1947-04-19 Method of dehydration of hydrated calcium sulfate Expired FR945498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1056646A GB610439A (en) 1946-04-05 1946-04-05 Improvements in and relating to the dehydration of particulate calcium sulphate

Publications (1)

Publication Number Publication Date
FR945498A true FR945498A (en) 1949-05-05

Family

ID=9970208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945498D Expired FR945498A (en) 1946-04-05 1947-04-19 Method of dehydration of hydrated calcium sulfate

Country Status (2)

Country Link
FR (1) FR945498A (en)
GB (1) GB610439A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1258321B (en) * 1961-11-13 1968-01-04 Bpb Industries Ltd Method and device for the continuous firing of plaster of paris
CN110451831A (en) * 2019-08-28 2019-11-15 绵竹市恒远环保科技有限公司 Building gypsum plaster calcine technology and device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176157A (en) * 1974-11-14 1979-11-27 Bpb Industries Limited Calcining calcium sulphate dihydrate
DE19606075C2 (en) * 1996-02-19 2000-02-17 Sulzer Chemtech Gmbh Processes and devices for the thermal treatment of gypsum
CN110342842A (en) * 2019-06-12 2019-10-18 常州工程职业技术学院 Plaster calcining furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1258321B (en) * 1961-11-13 1968-01-04 Bpb Industries Ltd Method and device for the continuous firing of plaster of paris
CN110451831A (en) * 2019-08-28 2019-11-15 绵竹市恒远环保科技有限公司 Building gypsum plaster calcine technology and device

Also Published As

Publication number Publication date
GB610439A (en) 1948-10-15

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