CA1157893A - Methode et composition de cuisson de gypse - Google Patents

Methode et composition de cuisson de gypse

Info

Publication number
CA1157893A
CA1157893A CA000364273A CA364273A CA1157893A CA 1157893 A CA1157893 A CA 1157893A CA 000364273 A CA000364273 A CA 000364273A CA 364273 A CA364273 A CA 364273A CA 1157893 A CA1157893 A CA 1157893A
Authority
CA
Canada
Prior art keywords
superplasticizer
gypsum
powdered
rock
gypsum rock
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
CA000364273A
Other languages
English (en)
Inventor
Kenneth C. French
Peter A. Leeming
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.)
BPB Ltd
Original Assignee
BPB Industries PLC
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 BPB Industries PLC filed Critical BPB Industries PLC
Priority to CA000364273A priority Critical patent/CA1157893A/fr
Priority to GB8106378A priority patent/GB2086869B/en
Priority to FR8104018A priority patent/FR2493827B1/fr
Priority to IE45681A priority patent/IE51013B1/en
Application granted granted Critical
Publication of CA1157893A publication Critical patent/CA1157893A/fr
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
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
CA000364273A 1980-11-07 1980-11-07 Methode et composition de cuisson de gypse Expired CA1157893A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA000364273A CA1157893A (fr) 1980-11-07 1980-11-07 Methode et composition de cuisson de gypse
GB8106378A GB2086869B (en) 1980-11-07 1981-02-27 Reducing water demand of gypsum plaster
FR8104018A FR2493827B1 (fr) 1980-11-07 1981-02-27 Procede et compositions pour reduire la demande d'eau du platre
IE45681A IE51013B1 (en) 1980-11-07 1981-03-03 Gypsum calcination method and composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000364273A CA1157893A (fr) 1980-11-07 1980-11-07 Methode et composition de cuisson de gypse

Publications (1)

Publication Number Publication Date
CA1157893A true CA1157893A (fr) 1983-11-29

Family

ID=4118386

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000364273A Expired CA1157893A (fr) 1980-11-07 1980-11-07 Methode et composition de cuisson de gypse

Country Status (4)

Country Link
CA (1) CA1157893A (fr)
FR (1) FR2493827B1 (fr)
GB (1) GB2086869B (fr)
IE (1) IE51013B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0708382D0 (en) 2007-05-01 2007-06-06 Bpb Plc Gypsum based compositions

Also Published As

Publication number Publication date
IE810456L (en) 1982-05-07
FR2493827A1 (fr) 1982-05-14
FR2493827B1 (fr) 1985-12-06
IE51013B1 (en) 1986-09-03
GB2086869A (en) 1982-05-19
GB2086869B (en) 1984-04-26

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Legal Events

Date Code Title Description
MKEX Expiry