FR1127665A - High quality semi-hydrated plaster manufacturing process - Google Patents

High quality semi-hydrated plaster manufacturing process

Info

Publication number
FR1127665A
FR1127665A FR1127665DA FR1127665A FR 1127665 A FR1127665 A FR 1127665A FR 1127665D A FR1127665D A FR 1127665DA FR 1127665 A FR1127665 A FR 1127665A
Authority
FR
France
Prior art keywords
manufacturing process
high quality
quality semi
hydrated plaster
plaster manufacturing
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)
Inventor
Rudolf Grimm
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 filed Critical
Application granted granted Critical
Publication of FR1127665A publication Critical patent/FR1127665A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
FR1127665D 1955-07-13 1955-07-13 High quality semi-hydrated plaster manufacturing process Expired FR1127665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1127665T 1955-07-13

Publications (1)

Publication Number Publication Date
FR1127665A true FR1127665A (en) 1956-12-21

Family

ID=9635774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1127665D Expired FR1127665A (en) 1955-07-13 1955-07-13 High quality semi-hydrated plaster manufacturing process

Country Status (1)

Country Link
FR (1) FR1127665A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453117A1 (en) * 1979-04-03 1980-10-31 France Platrieres Alpha calcium sulphate hemi-hydrate mfr. for plaster - by inexpensive dry roasting of gypsum at just above atmospheric pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453117A1 (en) * 1979-04-03 1980-10-31 France Platrieres Alpha calcium sulphate hemi-hydrate mfr. for plaster - by inexpensive dry roasting of gypsum at just above atmospheric pressure

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