FR2375143B1 - - Google Patents
Info
- Publication number
- FR2375143B1 FR2375143B1 FR7738449A FR7738449A FR2375143B1 FR 2375143 B1 FR2375143 B1 FR 2375143B1 FR 7738449 A FR7738449 A FR 7738449A FR 7738449 A FR7738449 A FR 7738449A FR 2375143 B1 FR2375143 B1 FR 2375143B1
- Authority
- FR
- France
- 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
- 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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15634876A JPS5380389A (en) | 1976-12-27 | 1976-12-27 | Extractive purification method for wet-process phosphoric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2375143A1 FR2375143A1 (fr) | 1978-07-21 |
| FR2375143B1 true FR2375143B1 (it) | 1981-10-23 |
Family
ID=15625786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7738449A Granted FR2375143A1 (fr) | 1976-12-27 | 1977-12-20 | Purification de l'acide phosphorique |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5380389A (it) |
| BE (1) | BE862267A (it) |
| DE (1) | DE2753820C3 (it) |
| FR (1) | FR2375143A1 (it) |
| GB (1) | GB1576367A (it) |
| IT (1) | IT1089147B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208389A (en) * | 1976-12-27 | 1980-06-17 | Toyo Soda Manufacturing Company, Limited | Purification of phosphoric acid |
| DE2844301C3 (de) * | 1978-10-11 | 1982-03-04 | Institute of Nuclear Energy Research Atomic Energy Council, Lung-Tan | Verfahren zur Reinigung einer für die Urangewinnung mittels Lösungsmittelextraktion vorgesehenen Naßphosphorsäurelösung |
| FR2470090B1 (fr) * | 1979-11-20 | 1986-04-04 | Rhone Poulenc Chim Base | Procede de purification d'un acide phosphorique de voie humide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2065381A1 (de) * | 1970-06-16 | 1973-05-17 | Giulini Gmbh Geb | Verfahren zur entfernung der organischen verunreinigungen aus rohphosphorsaeure |
| US3694153A (en) * | 1970-10-30 | 1972-09-26 | Audrey E Stern | Liquid-liquid extraction process for the purification of phosphoric acid |
-
1976
- 1976-12-27 JP JP15634876A patent/JPS5380389A/ja active Granted
-
1977
- 1977-11-23 GB GB4878777A patent/GB1576367A/en not_active Expired
- 1977-12-02 DE DE19772753820 patent/DE2753820C3/de not_active Expired
- 1977-12-20 FR FR7738449A patent/FR2375143A1/fr active Granted
- 1977-12-23 BE BE183795A patent/BE862267A/xx not_active IP Right Cessation
- 1977-12-27 IT IT3128577A patent/IT1089147B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5426519B2 (it) | 1979-09-04 |
| BE862267A (fr) | 1978-06-23 |
| IT1089147B (it) | 1985-06-18 |
| JPS5380389A (en) | 1978-07-15 |
| DE2753820C3 (de) | 1981-06-19 |
| GB1576367A (en) | 1980-10-08 |
| DE2753820B2 (de) | 1980-07-03 |
| DE2753820A1 (de) | 1978-06-29 |
| FR2375143A1 (fr) | 1978-07-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |