IT1058211B - SYNTHETIC PLASTER STONE PURIFICATION PROCESS - Google Patents

SYNTHETIC PLASTER STONE PURIFICATION PROCESS

Info

Publication number
IT1058211B
IT1058211B IT49160/76A IT4916076A IT1058211B IT 1058211 B IT1058211 B IT 1058211B IT 49160/76 A IT49160/76 A IT 49160/76A IT 4916076 A IT4916076 A IT 4916076A IT 1058211 B IT1058211 B IT 1058211B
Authority
IT
Italy
Prior art keywords
purification process
plaster stone
synthetic plaster
stone purification
synthetic
Prior art date
Application number
IT49160/76A
Other languages
Italian (it)
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Application granted granted Critical
Publication of IT1058211B publication Critical patent/IT1058211B/en

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
    • C01F11/468—Purification of calcium sulfates
    • 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
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke

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)
IT49160/76A 1975-04-25 1976-04-23 SYNTHETIC PLASTER STONE PURIFICATION PROCESS IT1058211B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7512923A FR2308593A1 (en) 1975-04-25 1975-04-25 Synthetic gypsum treated with controlled amt of alkali - to neutralise insol. acid fluorine cpds, before mfg, plaster. (BE221076)

Publications (1)

Publication Number Publication Date
IT1058211B true IT1058211B (en) 1982-04-10

Family

ID=9154470

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49160/76A IT1058211B (en) 1975-04-25 1976-04-23 SYNTHETIC PLASTER STONE PURIFICATION PROCESS

Country Status (16)

Country Link
JP (1) JPS51135897A (en)
AR (1) AR210350A1 (en)
AU (1) AU498158B2 (en)
BE (1) BE841014A (en)
BR (1) BR7602448A (en)
DE (1) DE2617574A1 (en)
DK (1) DK182776A (en)
ES (1) ES447272A1 (en)
FI (1) FI761090A (en)
FR (1) FR2308593A1 (en)
IL (1) IL49452A0 (en)
IT (1) IT1058211B (en)
LU (1) LU74829A1 (en)
NL (1) NL7604370A (en)
TR (1) TR19466A (en)
ZA (1) ZA762440B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486928A1 (en) * 1980-07-16 1982-01-22 Charbonnages Ste Chimique IMPROVEMENT TO A PROCESS FOR THE PRODUCTION OF CELLULAR PLASTER

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120491A (en) * 1974-03-07 1975-09-20

Also Published As

Publication number Publication date
ES447272A1 (en) 1977-06-16
FI761090A (en) 1976-10-26
IL49452A0 (en) 1976-06-30
DE2617574A1 (en) 1976-10-28
FR2308593A1 (en) 1976-11-19
AR210350A1 (en) 1977-07-29
ZA762440B (en) 1977-04-27
LU74829A1 (en) 1977-02-07
NL7604370A (en) 1976-10-27
FR2308593B1 (en) 1980-01-04
TR19466A (en) 1979-04-10
BE841014A (en) 1976-10-22
BR7602448A (en) 1976-10-19
AU1329176A (en) 1977-10-27
DK182776A (en) 1976-10-26
JPS51135897A (en) 1976-11-25
AU498158B2 (en) 1979-02-15

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