ZA753711B - Purification of phosphoric acid - Google Patents
Purification of phosphoric acidInfo
- Publication number
- ZA753711B ZA753711B ZA00753711A ZA753711A ZA753711B ZA 753711 B ZA753711 B ZA 753711B ZA 00753711 A ZA00753711 A ZA 00753711A ZA 753711 A ZA753711 A ZA 753711A ZA 753711 B ZA753711 B ZA 753711B
- Authority
- ZA
- South Africa
- 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
- C01B25/46—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 (en) | 1974-07-06 | 1974-07-06 | Process for purifying aqueous phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA753711B true ZA753711B (en) | 1976-05-26 |
Family
ID=5919860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00753711A ZA753711B (en) | 1974-07-06 | 1975-06-10 | Purification of phosphoric acid |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT359975B (en) |
| BE (1) | BE831000A (en) |
| DE (1) | DE2432472C3 (en) |
| IN (1) | IN141742B (en) |
| SU (1) | SU747411A3 (en) |
| TR (1) | TR20238A (en) |
| ZA (1) | ZA753711B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447348A1 (en) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID |
-
1974
- 1974-07-06 DE DE2432472A patent/DE2432472C3/en not_active Expired
-
1975
- 1975-06-10 ZA ZA00753711A patent/ZA753711B/en unknown
- 1975-06-12 IN IN1158/CAL/75A patent/IN141742B/en unknown
- 1975-06-20 TR TR20238A patent/TR20238A/en unknown
- 1975-07-04 BE BE157980A patent/BE831000A/en not_active IP Right Cessation
- 1975-07-04 AT AT516575A patent/AT359975B/en not_active IP Right Cessation
- 1975-07-04 SU SU752151508A patent/SU747411A3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| BE831000A (en) | 1976-01-05 |
| ATA516575A (en) | 1980-05-15 |
| DE2432472B2 (en) | 1978-05-18 |
| IN141742B (en) | 1977-04-09 |
| SU747411A3 (en) | 1980-07-23 |
| DE2432472A1 (en) | 1976-01-22 |
| DE2432472C3 (en) | 1979-02-01 |
| AT359975B (en) | 1980-12-10 |
| TR20238A (en) | 1980-11-01 |
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