CA1115483A - Obtention de phosphate monocalcique et d'acide phosphorique - Google Patents
Obtention de phosphate monocalcique et d'acide phosphoriqueInfo
- Publication number
- CA1115483A CA1115483A CA326,914A CA326914A CA1115483A CA 1115483 A CA1115483 A CA 1115483A CA 326914 A CA326914 A CA 326914A CA 1115483 A CA1115483 A CA 1115483A
- Authority
- CA
- Canada
- Prior art keywords
- phosphoric acid
- phosphate
- solution
- monocalcium phosphate
- potassium
- 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
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
- C01F11/20—Halides
- C01F11/22—Fluorides
-
- 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
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- 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
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/328—Defluorination during or after the preparation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/10—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using orthophosphoric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fertilizers (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US930,147 | 1978-08-02 | ||
| US05/930,147 US4160657A (en) | 1978-01-19 | 1978-08-02 | Preparation of monocalcium phosphate and phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1115483A true CA1115483A (fr) | 1982-01-05 |
Family
ID=25458980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA326,914A Expired CA1115483A (fr) | 1978-08-02 | 1979-05-04 | Obtention de phosphate monocalcique et d'acide phosphorique |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5827207B2 (fr) |
| BE (1) | BE876325A (fr) |
| BR (1) | BR7903045A (fr) |
| CA (1) | CA1115483A (fr) |
| DE (1) | DE2930825A1 (fr) |
| ES (1) | ES480523A1 (fr) |
| FR (1) | FR2432477A1 (fr) |
| GB (1) | GB2026996B (fr) |
| IL (1) | IL57301A (fr) |
| IN (1) | IN150442B (fr) |
| IT (1) | IT1194869B (fr) |
| MA (1) | MA18439A1 (fr) |
| ZA (1) | ZA792199B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS586530B2 (ja) * | 1976-09-06 | 1983-02-04 | ライオン株式会社 | 複合エマルジヨン |
| JPS58143831A (ja) * | 1982-02-22 | 1983-08-26 | Taihoo Kogyo Kk | Ｗ／ｏ／ｗ複合エマルジヨン |
| JPS6016546A (ja) * | 1983-07-07 | 1985-01-28 | Meiji Milk Prod Co Ltd | ホイップ用クリーム |
| JPS6016542A (ja) * | 1983-07-07 | 1985-01-28 | Meiji Milk Prod Co Ltd | コーヒークリーム |
| JPS60102137A (ja) * | 1983-07-08 | 1985-06-06 | Meiji Milk Prod Co Ltd | 合成乳及び合成濃縮乳 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2218382C3 (de) * | 1972-04-15 | 1975-08-21 | Gebrueder Giulini Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinem Calciumsulfat beim Phosphorsäurenaßaufschluß |
| IL48207A (en) * | 1974-10-07 | 1978-12-17 | Pennzoil Co | Production of fluoride-free phosphates |
| US4055626A (en) * | 1976-06-15 | 1977-10-25 | Pennzoil Company | Method of producing fluoride-free phosphoric acid |
-
1979
- 1979-05-04 CA CA326,914A patent/CA1115483A/fr not_active Expired
- 1979-05-08 ZA ZA792199A patent/ZA792199B/xx unknown
- 1979-05-14 FR FR7912214A patent/FR2432477A1/fr active Granted
- 1979-05-14 ES ES480523A patent/ES480523A1/es not_active Expired
- 1979-05-16 IL IL57301A patent/IL57301A/xx unknown
- 1979-05-17 BE BE0/195218A patent/BE876325A/fr not_active IP Right Cessation
- 1979-05-17 BR BR7903045A patent/BR7903045A/pt unknown
- 1979-05-17 GB GB7917161A patent/GB2026996B/en not_active Expired
- 1979-05-18 MA MA18633A patent/MA18439A1/fr unknown
- 1979-05-19 IN IN522/CAL/79A patent/IN150442B/en unknown
- 1979-05-21 JP JP54062556A patent/JPS5827207B2/ja not_active Expired
- 1979-06-01 IT IT12625/79A patent/IT1194869B/it active
- 1979-07-30 DE DE19792930825 patent/DE2930825A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5827207B2 (ja) | 1983-06-08 |
| GB2026996B (en) | 1982-09-02 |
| DE2930825A1 (de) | 1980-02-21 |
| IT1194869B (it) | 1988-09-28 |
| GB2026996A (en) | 1980-02-13 |
| IN150442B (fr) | 1982-10-09 |
| JPS5523087A (en) | 1980-02-19 |
| FR2432477A1 (fr) | 1980-02-29 |
| ES480523A1 (es) | 1980-01-16 |
| BE876325A (fr) | 1979-11-19 |
| FR2432477B1 (fr) | 1984-05-11 |
| MA18439A1 (fr) | 1979-12-31 |
| ZA792199B (en) | 1980-05-28 |
| IL57301A (en) | 1982-07-30 |
| IT7912625A0 (it) | 1979-06-01 |
| BR7903045A (pt) | 1980-03-18 |
| DE2930825C2 (fr) | 1988-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5180569A (en) | Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid | |
| CA1088724A (fr) | Elimination des fluorures dans des reactions avec le phosphate | |
| US3993733A (en) | Food grade alkali metal phosphates from wet process H3 PO4 | |
| US3124419A (en) | Purification of phosphoric acid | |
| US3792151A (en) | Process for producing phosphoric acid | |
| CN110642282A (zh) | 一种利用二氧化碳制备氟化钙与碳酸氢钾的方法 | |
| US4160657A (en) | Preparation of monocalcium phosphate and phosphoric acid | |
| US4222990A (en) | Production of fluoride-free phosphates | |
| US4435370A (en) | Preparation of monocalcium phosphate and/or phosphoric acid from phosphate rock | |
| US4777026A (en) | Production of phosphates from alkali-processes phosphate rock | |
| US4086322A (en) | Production of fluoride-free phosphates | |
| CA1208881A (fr) | Methode pour eliminer les impuretes dans l'acide phosphorique prepare par voie humide | |
| CA1115483A (fr) | Obtention de phosphate monocalcique et d'acide phosphorique | |
| US3840639A (en) | Method for the production of fluoride-free potassium phosphates | |
| CA1168834A (fr) | Preparation de phosphate d'ammonium (mono) purifie | |
| US4393032A (en) | Production of phosphoric acid and additional products from phosphate ore | |
| US4060586A (en) | Recovery of fluorides from gypsum | |
| US3619136A (en) | Process for producing phosphoric acid | |
| US3840640A (en) | Production of fluoride-free nitrates | |
| US3803884A (en) | Production of fertilizers | |
| US4062929A (en) | Production of hydrogen fluoride | |
| US2857245A (en) | Method for the production of dicalcium phosphate | |
| CA1042626A (fr) | Production de phosphates exempts de fluor | |
| US3442609A (en) | Process of purifying phosporic acid | |
| US4324774A (en) | Method for the manufacture of defluorinated phosphatic products |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |