AT359975B - Verfahren zur reinigung von phosphorsaeure - Google Patents
Verfahren zur reinigung von phosphorsaeureInfo
- Publication number
- AT359975B AT359975B AT516575A AT516575A AT359975B AT 359975 B AT359975 B AT 359975B AT 516575 A AT516575 A AT 516575A AT 516575 A AT516575 A AT 516575A AT 359975 B AT359975 B AT 359975B
- Authority
- AT
- Austria
- Prior art keywords
- phosphoric acid
- purifying phosphoric
- purifying
- acid
- phosphoric
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/464—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being an ether or a mixture of ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2432472A DE2432472C3 (de) | 1974-07-06 | 1974-07-06 | Verfahren zur Reinigung von wäßriger Phosphorsäure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA516575A ATA516575A (de) | 1980-05-15 |
| AT359975B true AT359975B (de) | 1980-12-10 |
Family
ID=5919860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT516575A AT359975B (de) | 1974-07-06 | 1975-07-04 | Verfahren zur reinigung von phosphorsaeure |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT359975B (de) |
| BE (1) | BE831000A (de) |
| DE (1) | DE2432472C3 (de) |
| IN (1) | IN141742B (de) |
| SU (1) | SU747411A3 (de) |
| TR (1) | TR20238A (de) |
| ZA (1) | ZA753711B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
-
1974
- 1974-07-06 DE DE2432472A patent/DE2432472C3/de not_active Expired
-
1975
- 1975-06-10 ZA ZA00753711A patent/ZA753711B/xx unknown
- 1975-06-12 IN IN1158/CAL/75A patent/IN141742B/en unknown
- 1975-06-20 TR TR20238A patent/TR20238A/xx unknown
- 1975-07-04 AT AT516575A patent/AT359975B/de not_active IP Right Cessation
- 1975-07-04 SU SU752151508A patent/SU747411A3/ru active
- 1975-07-04 BE BE157980A patent/BE831000A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IN141742B (de) | 1977-04-09 |
| DE2432472B2 (de) | 1978-05-18 |
| DE2432472C3 (de) | 1979-02-01 |
| ATA516575A (de) | 1980-05-15 |
| DE2432472A1 (de) | 1976-01-22 |
| BE831000A (fr) | 1976-01-05 |
| ZA753711B (en) | 1976-05-26 |
| TR20238A (tr) | 1980-11-01 |
| SU747411A3 (ru) | 1980-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |