MA18759A1 - Procede de traitement de roches phosphatees - Google Patents
Procede de traitement de roches phosphateesInfo
- Publication number
- MA18759A1 MA18759A1 MA18957A MA18957A MA18759A1 MA 18759 A1 MA18759 A1 MA 18759A1 MA 18957 A MA18957 A MA 18957A MA 18957 A MA18957 A MA 18957A MA 18759 A1 MA18759 A1 MA 18759A1
- Authority
- MA
- Morocco
- Prior art keywords
- treatment
- phosphate rocks
- rocks
- phosphate
- Prior art date
Links
- 239000002367 phosphate rock Substances 0.000 title 1
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
- C01B25/16—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
-
- 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
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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7907334 | 1979-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA18759A1 true MA18759A1 (fr) | 1980-10-01 |
Family
ID=10503546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA18957A MA18759A1 (fr) | 1979-03-01 | 1980-02-28 | Procede de traitement de roches phosphatees |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4325928A (fr) |
| JP (1) | JPS55126515A (fr) |
| MA (1) | MA18759A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389380A (en) * | 1982-01-12 | 1983-06-21 | Agrico Chemical Company | Multiple-stage thermal beneficiation process for phosphate ores |
| US4702896A (en) * | 1984-09-10 | 1987-10-27 | Tennessee Valley Authority | Thermal treatment of phosphate rock |
| US4557909A (en) * | 1984-09-10 | 1985-12-10 | Tennessee Valley Authority | Method to improve acidulation quality of North Carolina phosphate rock |
| US4606897A (en) * | 1985-03-11 | 1986-08-19 | Tennessee Valley Authority | Method to improve acidulation quality of Idaho phosphate rock |
| PL184613B1 (pl) * | 1997-02-26 | 2002-11-29 | Inst Chemii Nieorganicznej | Sposób otrzymywania kwasu fosforowego |
| US20130060076A1 (en) * | 2011-09-01 | 2013-03-07 | Keith E. Forrester | Method to reduce pcb content and/or lead tclp solubility |
| US12180071B2 (en) * | 2019-04-05 | 2024-12-31 | KOR Mineral Technologies Inc. | System and method for removing organics from phosphate ore |
| CN111847409B (zh) * | 2020-08-04 | 2023-09-12 | 重庆雁川化工科技有限公司 | 一种利用磷矿粉生产磷矿粉球的方法 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR319303A (fr) | 1902-03-05 | 1902-11-10 | Hatmaker | Procédé pour obtenir l'acide phosphorique des phosphates minéraux |
| GB181255A (en) | 1921-07-15 | 1922-06-15 | Andrew Kelly | Improvements in the production of phosphoric acid |
| DE368737C (de) | 1921-07-15 | 1923-02-08 | Borax Cons Ltd | Verfahren zur Herstellung von Phosphorsaeure |
| US2531977A (en) * | 1948-01-22 | 1950-11-28 | Allied Chem & Dye Corp | Process for manufacture of phosphoric acid |
| US2806763A (en) | 1952-02-02 | 1957-09-17 | Grace W R & Co | Recovery of uranium from leached mud of the clinker process for producing phosphoric acid |
| US2799557A (en) * | 1952-10-11 | 1957-07-16 | Chemical Construction Corp | Production of feed grade dicalcium phosphate |
| US2841467A (en) * | 1955-01-18 | 1958-07-01 | Robert F Mccullough | Method for recovery of mineral values from leached zone material |
| US2783140A (en) * | 1955-03-14 | 1957-02-26 | Tennessee Valley Authority | Production of fertilizer from highalumina phosphate ores |
| US2894809A (en) * | 1955-07-06 | 1959-07-14 | Robert F Mccullough | Method of recovering mineral values |
| US3122415A (en) * | 1960-10-10 | 1964-02-25 | Int Minerals & Chem Corp | Method for the production of phosphoric acid |
| US3076691A (en) | 1961-01-23 | 1963-02-05 | John N Carothers | Process of treating phosphate rock |
| US3133791A (en) * | 1961-06-14 | 1964-05-19 | Nat Distillers Chem Corp | Method of sludge inhibition in phosphoric acid |
| NL300807A (fr) | 1962-11-23 | |||
| DE1235869B (de) | 1963-03-23 | 1967-03-09 | Toyo Soda Mfg Co Ltd | Verfahren zur Herstellung von Phosphorsaeure |
| GB1128104A (en) | 1965-05-25 | 1968-09-25 | Chem & Phosphates Ltd | A process for the production of concentrated phosphoric acid |
| GB1094918A (en) | 1966-06-28 | 1967-12-13 | Shell Int Research | Process for producing of phosphorus pentoxide from a phosphatic ore |
| FR2076680A5 (fr) | 1970-01-23 | 1971-10-15 | Fives Lille Cail | |
| GB1331052A (en) | 1970-10-07 | 1973-09-19 | Christmas Island Phosphate Co | Heating of discrete material |
| FR2142790B2 (fr) | 1971-06-25 | 1973-06-29 | Fives Lille Cail | |
| US4001383A (en) * | 1971-08-12 | 1977-01-04 | Stauffer Chemical Company | Impure sulfuric acid treatment process |
| US3932591A (en) * | 1972-04-19 | 1976-01-13 | United States Steel Corporation | Process for the manufacture of phosphoric acid with minimized environmental effects |
| US4017585A (en) * | 1974-10-29 | 1977-04-12 | Dorr-Oliver Incorporated | Fluid bed calcination process |
| US3995987A (en) * | 1975-03-31 | 1976-12-07 | Macaskill Donald | Heat treatment of particulate materials |
| US4016238A (en) * | 1975-08-29 | 1977-04-05 | Urbina Davalos Fernando | Process for the obtention of alumina and phosphate values by the alkaline decomposition of silica-containing aluminum phosphate ores |
| GB1557248A (en) | 1976-09-09 | 1979-12-05 | Macaskill D | Calcination of materials |
| US4215098A (en) * | 1978-04-26 | 1980-07-29 | Albright & Wilson Limited | Purification of wet process phosphoric acid |
-
1980
- 1980-02-22 US US06/123,687 patent/US4325928A/en not_active Expired - Lifetime
- 1980-02-28 MA MA18957A patent/MA18759A1/fr unknown
- 1980-02-29 JP JP2423180A patent/JPS55126515A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55126515A (en) | 1980-09-30 |
| US4325928A (en) | 1982-04-20 |
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