FR2497190B2 - Procede pour la production d'un melange anhydrite-gypse a base de sulfate de calcium dihydrate synthetique en fines particules - Google Patents
Procede pour la production d'un melange anhydrite-gypse a base de sulfate de calcium dihydrate synthetique en fines particulesInfo
- Publication number
- FR2497190B2 FR2497190B2 FR8120352A FR8120352A FR2497190B2 FR 2497190 B2 FR2497190 B2 FR 2497190B2 FR 8120352 A FR8120352 A FR 8120352A FR 8120352 A FR8120352 A FR 8120352A FR 2497190 B2 FR2497190 B2 FR 2497190B2
- Authority
- FR
- France
- Prior art keywords
- anhydrite
- production
- fine particle
- calcium sulphate
- mixture based
- 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
Links
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title 1
- 239000010419 fine particle Substances 0.000 title 1
- 229910052602 gypsum Inorganic materials 0.000 title 1
- 239000010440 gypsum Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
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
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
-
- 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
- C04B11/06—Calcium sulfate cements starting from anhydrite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803040688 DE3040688C2 (de) | 1979-02-03 | 1980-10-29 | Verfahren zur Herstellung eines Anhydrit-Gipsgemisches aus feinteiligem synthetischen Calciumsulfat-Dihydrat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2497190A2 FR2497190A2 (fr) | 1982-07-02 |
FR2497190B2 true FR2497190B2 (fr) | 1986-02-28 |
Family
ID=6115429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8120352A Expired FR2497190B2 (fr) | 1980-10-29 | 1981-10-29 | Procede pour la production d'un melange anhydrite-gypse a base de sulfate de calcium dihydrate synthetique en fines particules |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE890832A (fr) |
FR (1) | FR2497190B2 (fr) |
NL (1) | NL8104360A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1250222A4 (fr) | 2000-01-05 | 2003-04-16 | Saint Gobain Technical Fabrics | Panneaux lisses renforces a base de ciment et leurs procedes de fabrication |
-
1981
- 1981-09-22 NL NL8104360A patent/NL8104360A/nl not_active Application Discontinuation
- 1981-10-22 BE BE0/206322A patent/BE890832A/fr not_active IP Right Cessation
- 1981-10-29 FR FR8120352A patent/FR2497190B2/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2497190A2 (fr) | 1982-07-02 |
NL8104360A (nl) | 1982-05-17 |
BE890832A (fr) | 1982-02-15 |
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