BE563616A - - Google Patents
Info
- Publication number
- BE563616A BE563616A BE563616DA BE563616A BE 563616 A BE563616 A BE 563616A BE 563616D A BE563616D A BE 563616DA BE 563616 A BE563616 A BE 563616A
- Authority
- BE
- Belgium
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
-
- 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
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/244—Preparation by double decomposition of ammonium salts with sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US631778A US3004827A (en) | 1956-12-31 | 1956-12-31 | Treatment of by-product gypsum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE563616A true BE563616A (en:Method) |
Family
ID=24532692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE563616D BE563616A (en:Method) | 1956-12-31 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3004827A (en:Method) |
| BE (1) | BE563616A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182002A1 (en:Method) * | 1972-04-26 | 1973-12-07 | Unie Van Kunstmestfab Bv |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3159497A (en) * | 1960-10-25 | 1964-12-01 | Onoda Cement Co Ltd | Method of improving the grade of byproduct gypsum obtained in carrying out a wet process for production of phosphoric acid |
| US3660068A (en) * | 1969-12-29 | 1972-05-02 | Phillips Petroleum Co | Soil additives |
| DE3110829A1 (de) * | 1981-03-19 | 1982-09-30 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur reinigung von phoshorsaeuregips |
| US9682868B2 (en) * | 2015-01-30 | 2017-06-20 | Sparstane Technologies LLC | Partially continuous countercurrent process for converting gypsum to ammonium sulfate and calcium carbonate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1902649A (en) * | 1929-11-09 | 1933-03-21 | Kunstdunger Patentverwertungs | Method of producing ammonium sulphate |
| US2384856A (en) * | 1941-08-15 | 1945-09-18 | Southern Phosphate Corp | Manufacture of crude phosphoric acid |
| US2485164A (en) * | 1945-05-22 | 1949-10-18 | Du Pont | Process for treating gypsum obtained as a by-product of phosphoric acid manufacture |
| US2731147A (en) * | 1953-04-24 | 1956-01-17 | Equipment Engineers Inc | Hydraulic classifier |
-
0
- BE BE563616D patent/BE563616A/xx unknown
-
1956
- 1956-12-31 US US631778A patent/US3004827A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182002A1 (en:Method) * | 1972-04-26 | 1973-12-07 | Unie Van Kunstmestfab Bv |
Also Published As
| Publication number | Publication date |
|---|---|
| US3004827A (en) | 1961-10-17 |