BE834007A - Procede de production de phosphates exempts de fluorures - Google Patents
Procede de production de phosphates exempts de fluoruresInfo
- Publication number
- BE834007A BE834007A BE160534A BE160534A BE834007A BE 834007 A BE834007 A BE 834007A BE 160534 A BE160534 A BE 160534A BE 160534 A BE160534 A BE 160534A BE 834007 A BE834007 A BE 834007A
- Authority
- BE
- Belgium
- Prior art keywords
- fluoride
- production
- free phosphates
- phosphates
- free
- Prior art date
Links
- 229910019142 PO4 Inorganic materials 0.000 title 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 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
- C01B25/003—Phosphorus
-
- 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
- C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
-
- 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
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
-
- 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
- C01B25/30—Alkali metal phosphates
-
- 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
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
- C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
-
- 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
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
-
- 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Silicon Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51287774A | 1974-10-07 | 1974-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE834007A true BE834007A (fr) | 1976-03-30 |
Family
ID=24040983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE160534A BE834007A (fr) | 1974-10-07 | 1975-09-30 | Procede de production de phosphates exempts de fluorures |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4086322A (fr) |
| JP (1) | JPS5827206B2 (fr) |
| BE (1) | BE834007A (fr) |
| ZA (1) | ZA755914B (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222990A (en) * | 1974-10-07 | 1980-09-16 | Pennzoil Company | Production of fluoride-free phosphates |
| US4160657A (en) * | 1978-01-19 | 1979-07-10 | Pennzoil Company | Preparation of monocalcium phosphate and phosphoric acid |
| US4435370A (en) | 1981-09-29 | 1984-03-06 | Pennzoil Company | Preparation of monocalcium phosphate and/or phosphoric acid from phosphate rock |
| US4479923A (en) * | 1982-01-12 | 1984-10-30 | Pennzoil Company | Production of phosphoric acid and additional products from phosphate ore |
| US4393032A (en) * | 1982-01-12 | 1983-07-12 | Pennzoil Company | Production of phosphoric acid and additional products from phosphate ore |
| US4393030A (en) * | 1982-01-12 | 1983-07-12 | Pennzoil Company | Upgrading of phosphate ore |
| JPS6090206U (ja) * | 1983-11-28 | 1985-06-20 | 日本メクトロン株式会社 | 導電性ポリウレタンゴム搬送用ベルト |
| US4676963A (en) * | 1986-05-09 | 1987-06-30 | Fmc Corporation | Manufacture of sodium tripolyphosphate from wet acid |
| DE4011716A1 (de) * | 1990-04-11 | 1991-10-17 | Hoechst Ag | Verfahren zur herstellung von alkaliphosphatloesungen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633677A (fr) * | 1962-06-29 | |||
| US3512927A (en) * | 1965-07-26 | 1970-05-19 | Anson G Betts | Chemically treating phosphorite and obtaining separate products of fluorine and of phosphorus |
| GB1173205A (en) | 1966-06-03 | 1969-12-03 | Int Minerals & Chem Corp | Process for the Manufacture of Phosphate Fertilizers |
| US3554694A (en) * | 1969-06-02 | 1971-01-12 | Cities Service Co | Process for producing fluosilicates |
| US3795728A (en) * | 1971-03-02 | 1974-03-05 | Knauf Westdeutsche Gips | Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum |
| US3792151A (en) * | 1971-10-18 | 1974-02-12 | Atlantic Richfield Co | Process for producing phosphoric acid |
| US3840640A (en) * | 1972-08-28 | 1974-10-08 | Pennzoil Co | Production of fluoride-free nitrates |
-
1975
- 1975-08-29 US US05/608,973 patent/US4086322A/en not_active Expired - Lifetime
- 1975-09-16 ZA ZA00755914A patent/ZA755914B/xx unknown
- 1975-09-30 BE BE160534A patent/BE834007A/fr not_active IP Right Cessation
- 1975-10-01 JP JP50119361A patent/JPS5827206B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA755914B (en) | 1976-08-25 |
| US4086322A (en) | 1978-04-25 |
| JPS5163399A (fr) | 1976-06-01 |
| JPS5827206B2 (ja) | 1983-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: PENNZOIL CY Effective date: 19920930 |