BE691263A - - Google Patents
Info
- Publication number
- BE691263A BE691263A BE691263DA BE691263A BE 691263 A BE691263 A BE 691263A BE 691263D A BE691263D A BE 691263DA BE 691263 A BE691263 A BE 691263A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- phosphoric acid
- water
- gypsum
- sulfuric acid
- Prior art date
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
- C04B11/26—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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD11617666 | 1966-03-02 | ||
| DEV0031748 | 1966-08-19 | ||
| FR81386A FR1531371A (fr) | 1966-08-19 | 1966-10-24 | Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité |
| GB4779866A GB1164836A (en) | 1966-08-19 | 1966-10-25 | A Process for the Production of Phosphoric Acid |
| LU54052A LU54052A1 (de) | 1966-08-19 | 1967-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE691263A true BE691263A (de) | 1967-06-15 |
Family
ID=27509714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE691263D BE691263A (de) | 1966-03-02 | 1966-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE691263A (de) |
-
1966
- 1966-12-15 BE BE691263D patent/BE691263A/fr unknown
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