BE810079A - Procede de purification de solutions aqueuses d'acide phosphorique - Google Patents
Procede de purification de solutions aqueuses d'acide phosphoriqueInfo
- Publication number
- BE810079A BE810079A BE140109A BE140109A BE810079A BE 810079 A BE810079 A BE 810079A BE 140109 A BE140109 A BE 140109A BE 140109 A BE140109 A BE 140109A BE 810079 A BE810079 A BE 810079A
- Authority
- BE
- Belgium
- Prior art keywords
- phosphoric acid
- acid solutions
- aqueous phosphoric
- purifying aqueous
- purifying
- Prior art date
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
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1949073A IT978376B (it) | 1973-01-23 | 1973-01-23 | Procedimento per la depurazione di soluzioni acquose di acido fosforico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE810079A true BE810079A (fr) | 1974-07-23 |
Family
ID=11158454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE140109A BE810079A (fr) | 1973-01-23 | 1974-01-23 | Procede de purification de solutions aqueuses d'acide phosphorique |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE810079A (fr) |
| DE (1) | DE2402758A1 (fr) |
| FR (1) | FR2214658A1 (fr) |
| IT (1) | IT978376B (fr) |
| NL (1) | NL7400777A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323386A (en) * | 1978-11-03 | 1982-04-06 | Norsk Hydro A.S. | Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate |
| DE3021839A1 (de) * | 1980-06-11 | 1981-12-24 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat |
| CN112723404A (zh) * | 2021-01-04 | 2021-04-30 | 贵州芭田生态工程有限公司 | 一种将化学选矿副产物中钙镁磷分离的方法 |
-
1973
- 1973-01-23 IT IT1949073A patent/IT978376B/it active
-
1974
- 1974-01-21 NL NL7400777A patent/NL7400777A/xx not_active Application Discontinuation
- 1974-01-22 FR FR7402022A patent/FR2214658A1/fr active Granted
- 1974-01-22 DE DE19742402758 patent/DE2402758A1/de not_active Withdrawn
- 1974-01-23 BE BE140109A patent/BE810079A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2402758A1 (de) | 1974-07-25 |
| FR2214658A1 (en) | 1974-08-19 |
| NL7400777A (fr) | 1974-07-25 |
| IT978376B (it) | 1974-09-20 |
| FR2214658B1 (fr) | 1977-03-04 |
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