NL6707757A - - Google Patents
Info
- Publication number
- NL6707757A NL6707757A NL6707757A NL6707757A NL6707757A NL 6707757 A NL6707757 A NL 6707757A NL 6707757 A NL6707757 A NL 6707757A NL 6707757 A NL6707757 A NL 6707757A NL 6707757 A NL6707757 A NL 6707757A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C05B11/06—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 nitric acid (nitrophosphates)
-
- 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
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
- Dental Preparations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR68128A FR1496160A (fr) | 1966-07-05 | 1966-07-05 | Procédé de fabrication d'acide phosphorique par extraction au moyen de solvants organiques à partir du produit de l'attaque nitrique des phosphates naturels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6707757A true NL6707757A (xx) | 1968-01-08 |
Family
ID=8612492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6707757A NL6707757A (xx) | 1966-07-05 | 1967-06-02 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3497329A (xx) |
| BE (1) | BE700911A (xx) |
| CH (2) | CH476638A (xx) |
| DE (1) | DE1667663A1 (xx) |
| ES (1) | ES342080A1 (xx) |
| FR (1) | FR1496160A (xx) |
| GB (1) | GB1173517A (xx) |
| IL (1) | IL28140A (xx) |
| NL (1) | NL6707757A (xx) |
| SE (1) | SE334867B (xx) |
| YU (1) | YU31322B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956465A (en) * | 1970-06-12 | 1976-05-11 | Azote Et Produits Chimiques S.A. | Solvent purification of wet process phosphoric acid |
| DE2321751C3 (de) * | 1973-04-30 | 1981-11-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| USD415082S (en) | 1998-03-20 | 1999-10-12 | Elegant Usa, Llc | Steering wheel cover |
| FI107330B (fi) * | 1999-12-03 | 2001-07-13 | Kemira Agro Oy | Kahden alkalimetallisuolan valmistaminen yhdistetyllä ioninvaihto- ja kiteytysmenetelmällä |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1876501A (en) * | 1932-09-06 | Concentrated fertilizers | ||
| DE33843C (de) * | J. S. BOLETTE in Pepinster | Flortheiler für Vorspinnkrempel | ||
| CA494045A (en) * | 1953-06-30 | H. R. J. Plusje Mathijs | Method of circulatory production of acid calcium phosphates and of calcium nitrate from raw phosphate and nitric acid | |
| BE485624A (xx) * | 1947-11-04 | |||
| US2813777A (en) * | 1953-11-05 | 1957-11-19 | Norsk Hydro Elektrisk | Process for the crystallization of nitrate from a nitric acid solution of crude phosphate |
| US2885265A (en) * | 1955-06-21 | 1959-05-05 | Horizons Inc | Process for producing substantially pure orthophosphoric acid |
| NL250214A (xx) * | 1959-04-06 | |||
| GB953156A (en) * | 1961-08-20 | 1964-03-25 | Makhtsavei Israel | Improvements in or relating to the recovery of phosphoric acid by solvent extraction |
| GB974610A (en) * | 1962-05-24 | 1964-11-04 | Canadian Ind | Purification of phosphoric acid |
| NL285346A (xx) * | 1962-11-09 | |||
| US3388967A (en) * | 1964-07-20 | 1968-06-18 | Cominco Ltd Cominco Ltee | Phosphoric acid purification |
| US3387930A (en) * | 1965-06-16 | 1968-06-11 | Dow Chemical Co | Process for the production of phosphoric acid |
-
1966
- 1966-07-05 FR FR68128A patent/FR1496160A/fr not_active Expired
-
1967
- 1967-06-02 NL NL6707757A patent/NL6707757A/xx unknown
- 1967-06-05 ES ES342080A patent/ES342080A1/es not_active Expired
- 1967-06-12 IL IL28140A patent/IL28140A/xx unknown
- 1967-06-28 YU YU1297/67A patent/YU31322B/xx unknown
- 1967-06-28 SE SE09510/67*A patent/SE334867B/xx unknown
- 1967-07-03 US US650880A patent/US3497329A/en not_active Expired - Lifetime
- 1967-07-04 BE BE700911D patent/BE700911A/xx unknown
- 1967-07-04 GB GB30774/67A patent/GB1173517A/en not_active Expired
- 1967-07-04 CH CH945967A patent/CH476638A/fr not_active IP Right Cessation
- 1967-07-04 CH CH945867A patent/CH476637A/fr not_active IP Right Cessation
- 1967-07-05 DE DE19671667663 patent/DE1667663A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES342080A1 (es) | 1968-07-16 |
| FR1496160A (fr) | 1967-09-29 |
| CH476638A (fr) | 1969-08-15 |
| DE1667663A1 (de) | 1971-07-01 |
| US3497329A (en) | 1970-02-24 |
| GB1173517A (en) | 1969-12-10 |
| YU31322B (en) | 1973-04-30 |
| SE334867B (xx) | 1971-05-10 |
| CH476637A (fr) | 1969-08-15 |
| IL28140A (en) | 1971-02-25 |
| BE700911A (xx) | 1967-12-18 |