CH484834A - Verfahren zur Gewinnung von Phosphorsäure - Google Patents
Verfahren zur Gewinnung von PhosphorsäureInfo
- Publication number
- CH484834A CH484834A CH1295164A CH1295164A CH484834A CH 484834 A CH484834 A CH 484834A CH 1295164 A CH1295164 A CH 1295164A CH 1295164 A CH1295164 A CH 1295164A CH 484834 A CH484834 A CH 484834A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- phosphoric acid
- phosphoric
- acid
- Prior art date
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
- C01B25/16—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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
-
- 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)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298968 | 1963-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH484834A true CH484834A (de) | 1970-01-31 |
Family
ID=19755120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1295164A CH484834A (de) | 1963-10-08 | 1964-10-06 | Verfahren zur Gewinnung von Phosphorsäure |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3363978A (de) |
| AT (1) | AT247288B (de) |
| BE (1) | BE654014A (de) |
| CH (1) | CH484834A (de) |
| DE (1) | DE1263722B (de) |
| ES (1) | ES304726A1 (de) |
| FR (1) | FR1410678A (de) |
| GB (1) | GB1063248A (de) |
| IL (1) | IL22214A (de) |
| NL (1) | NL298968A (de) |
| SE (1) | SE302297B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| IL42065A (en) * | 1972-04-26 | 1977-07-31 | Albright & Wilson | Purification of phosphoric acid |
| GB1436113A (en) | 1972-04-26 | 1976-05-19 | Albright & Wilson | Purification of phosphoric acid |
| US4127640A (en) * | 1972-04-26 | 1978-11-28 | Albright & Wilson Ltd. | Purification of phosphoric acid by solvent extraction using hexanones |
| DE2652766A1 (de) * | 1976-03-09 | 1977-09-22 | Robert Dr Michel | Verfahren zur herstellung von phosphorsaeure aus phosphatgestein |
| US5289945A (en) * | 1992-02-27 | 1994-03-01 | Stradder Robert H | Sealing and dispensing cap |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA672008A (en) * | 1963-10-08 | C. Gattiker David | Method of producing phosphoric acid | |
| DE337154C (de) * | 1919-05-20 | 1921-05-26 | Basf Ag | Verfahren zur Herstellung von Phosphorsaeure aus Calciumphosphaten und Saeure |
| US1981145A (en) * | 1933-10-21 | 1934-11-20 | Minerals Separation North Us | Process of producing phosphoric acid |
| US3245777A (en) * | 1963-01-10 | 1966-04-12 | Pullman Inc | Method of making phosphate fertilizer |
| US3205002A (en) * | 1964-07-06 | 1965-09-07 | Strick Trailers | Roof bow fitting for vehicle with removable side sections |
-
0
- NL NL298968D patent/NL298968A/xx unknown
-
1964
- 1964-10-05 DE DEST22773A patent/DE1263722B/de not_active Withdrawn
- 1964-10-06 US US401865A patent/US3363978A/en not_active Expired - Lifetime
- 1964-10-06 FR FR990477A patent/FR1410678A/fr not_active Expired
- 1964-10-06 BE BE654014D patent/BE654014A/xx unknown
- 1964-10-06 CH CH1295164A patent/CH484834A/de not_active IP Right Cessation
- 1964-10-07 ES ES0304726A patent/ES304726A1/es not_active Expired
- 1964-10-07 AT AT854464A patent/AT247288B/de active
- 1964-10-07 IL IL22214A patent/IL22214A/en unknown
- 1964-10-08 GB GB41140/64A patent/GB1063248A/en not_active Expired
- 1964-10-08 SE SE12110/64A patent/SE302297B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE654014A (de) | 1965-04-06 |
| IL22214A (en) | 1968-03-28 |
| FR1410678A (fr) | 1965-09-10 |
| SE302297B (de) | 1968-07-15 |
| US3363978A (en) | 1968-01-16 |
| AT247288B (de) | 1966-05-25 |
| DE1263722B (de) | 1968-03-21 |
| ES304726A1 (es) | 1965-03-01 |
| NL298968A (de) | |
| GB1063248A (de) | 1967-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |