FR2318109B1 - - Google Patents
Info
- Publication number
- FR2318109B1 FR2318109B1 FR7621600A FR7621600A FR2318109B1 FR 2318109 B1 FR2318109 B1 FR 2318109B1 FR 7621600 A FR7621600 A FR 7621600A FR 7621600 A FR7621600 A FR 7621600A FR 2318109 B1 FR2318109 B1 FR 2318109B1
- Authority
- FR
- France
- 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
Classifications
-
- 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
- C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fertilizers (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752531519 DE2531519C3 (en) | 1975-07-15 | 1975-07-15 | Process for processing rock phosphate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2318109A1 FR2318109A1 (en) | 1977-02-11 |
| FR2318109B1 true FR2318109B1 (en) | 1979-08-31 |
Family
ID=5951538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621600A Granted FR2318109A1 (en) | 1975-07-15 | 1976-07-15 | Removing magnesium cpds. from crude phosphate - by mixing phosphate with seawater and dil. sulphuric acid then filtering |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2531519C3 (en) |
| FR (1) | FR2318109A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2813358C2 (en) * | 1978-03-28 | 1984-05-10 | Uhde Gmbh, 4600 Dortmund | Process for processing a magnesium-containing rock phosphate into phosphoric acid and a magnesium carbonate-calcium carbonate mixture |
| US4154799A (en) | 1978-03-27 | 1979-05-15 | United States Gypsum Company | Dicalcium phosphate manufacture |
| US4323386A (en) * | 1978-11-03 | 1982-04-06 | Norsk Hydro A.S. | Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717702A (en) * | 1971-02-02 | 1973-02-20 | Stauffer Chemical Co | Process for treating phosphate ore |
-
1975
- 1975-07-15 DE DE19752531519 patent/DE2531519C3/en not_active Expired
-
1976
- 1976-07-15 FR FR7621600A patent/FR2318109A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2531519A1 (en) | 1977-01-20 |
| DE2531519C3 (en) | 1979-07-19 |
| DE2531519B2 (en) | 1978-11-16 |
| FR2318109A1 (en) | 1977-02-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |