BE862267A - Purification de l'acide phosphorique - Google Patents
Purification de l'acide phosphoriqueInfo
- Publication number
- BE862267A BE862267A BE183795A BE183795A BE862267A BE 862267 A BE862267 A BE 862267A BE 183795 A BE183795 A BE 183795A BE 183795 A BE183795 A BE 183795A BE 862267 A BE862267 A BE 862267A
- Authority
- BE
- Belgium
- Prior art keywords
- purification
- 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
- C01B25/234—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 (1)
| Publication Number | Publication Date |
|---|---|
| BE862267A true BE862267A (fr) | 1978-06-23 |
Family
ID=15625786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE183795A BE862267A (fr) | 1976-12-27 | 1977-12-23 | 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 |
| 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 |
| FR2375143B1 (it) | 1981-10-23 |
| FR2375143A1 (fr) | 1978-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE863429A (fr) | Derives de l'acide quinoleine-carboxylique | |
| FR2371449B1 (fr) | Acide 1-carba-2-penem-3-carboxylique | |
| BE855643A (fr) | Esters d'acide monique | |
| RO79394A (ro) | Procedeu pentru purificarea acidului fosforic | |
| BE854859A (fr) | Procede de purification d'acide phosphorique | |
| MA18782A1 (fr) | Purification de l'acide phosphorique . | |
| BE852034A (fr) | Esters-sels sulfures d'acide phosphorique | |
| BE868287A (fr) | Nouveaux derives de l'acide amidinopenicillanique | |
| BE817574A (fr) | Purification d'acide phosphorique | |
| BE810652A (fr) | Purification de l'acide phosphorique | |
| BE843720A (fr) | Procede de purification d'acide phosphorique | |
| FR2338947A1 (fr) | Procede de preparation d'ester-sels acides d'acide phosphorique | |
| FR2320901A1 (fr) | Procede de purification d'acide phosphorique | |
| IT1087977B (it) | Purificazione dell'acido fosforico. | |
| BE826810A (fr) | Procede de purification d'acide phosphorique | |
| BE862267A (fr) | Purification de l'acide phosphorique | |
| RO70958A (ro) | Procedeu de preparare a unor esteri ai acidului o-etil-s-n-propil-o-2,2,2-trihaloetil tiono(tiol)fosforic | |
| BE834142A (fr) | Purification de l'acide cyanurique brut | |
| FR2327961A1 (fr) | Procede pour l'epuration de l'acide phosphorique | |
| BE861693A (fr) | Procede de reduction de l'acide 2,5-dicetogluconique | |
| BE870703A (fr) | Rpocede de preparation d'acide cyanurique | |
| BE852172A (fr) | Nouveaux derives de l'acide pyridil-phosphorique | |
| MA18586A1 (fr) | Purification par voie humide de l'acide phosphorique | |
| BE866900A (fr) | Derives de l'acide 2-trichloromethyl-4-nitrobenzenesulfenique | |
| BE826754A (fr) | Purification de l'acide chlorhydrique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: TOYO SODA MFG CO. LTD Effective date: 19921231 |