IL42487A0 - Process for the extractive purification of phosphoric acid containing cationic impurities - Google Patents
Process for the extractive purification of phosphoric acid containing cationic impuritiesInfo
- Publication number
- IL42487A0 IL42487A0 IL42487A IL4248773A IL42487A0 IL 42487 A0 IL42487 A0 IL 42487A0 IL 42487 A IL42487 A IL 42487A IL 4248773 A IL4248773 A IL 4248773A IL 42487 A0 IL42487 A0 IL 42487A0
- Authority
- IL
- Israel
- Prior art keywords
- phosphoric acid
- acid containing
- containing cationic
- cationic impurities
- extractive purification
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
-
- 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
-
- 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
- C01B25/462—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 alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2229602 | 1972-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL42487A0 true IL42487A0 (en) | 1973-08-29 |
IL42487A IL42487A (en) | 1977-02-28 |
Family
ID=5848004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL42487A IL42487A (en) | 1972-06-19 | 1973-06-12 | Process for the extractive purification of phosphoric acid containing cationic impurities |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5310957B2 (en) |
BE (1) | BE796996A (en) |
DE (1) | DE2229602B1 (en) |
FR (1) | FR2189316B1 (en) |
GB (1) | GB1404546A (en) |
IL (1) | IL42487A (en) |
IT (1) | IT982777B (en) |
NL (1) | NL173627C (en) |
SE (1) | SE386148B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2433307C3 (en) * | 1974-07-11 | 1984-03-22 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Process for the separation of a phosphoric acid-organic solvent-water mixture |
DE2435789C3 (en) * | 1974-07-25 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Process for the purification of phosphoric acid with the help of 3-methoxybutanol |
DE2538720C2 (en) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Process for purifying wet process phosphoric acid |
FR2447348A1 (en) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID |
JPS55124490U (en) * | 1979-02-27 | 1980-09-03 | ||
DE3328499A1 (en) * | 1983-08-06 | 1985-02-14 | Hoechst Ag, 6230 Frankfurt | METHOD FOR REDUCING THE FLUORINE CONTENT OF A WET PROCESS PHOSPHORIC ACID |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1531487A (en) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Improved continuous process for the purification of phosphoric acid by solvents |
DE2029564C3 (en) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Process for the production of pure alkali phosphates from rock phosphoric acid |
-
1972
- 1972-06-19 DE DE2229602A patent/DE2229602B1/en active Pending
-
1973
- 1973-03-19 BE BE128972A patent/BE796996A/en not_active IP Right Cessation
- 1973-03-29 NL NLAANVRAGE7304362,A patent/NL173627C/en not_active IP Right Cessation
- 1973-04-16 IT IT23054/73A patent/IT982777B/en active
- 1973-05-04 SE SE7306294A patent/SE386148B/en unknown
- 1973-06-12 IL IL42487A patent/IL42487A/en unknown
- 1973-06-19 GB GB2893573A patent/GB1404546A/en not_active Expired
- 1973-06-19 JP JP6910873A patent/JPS5310957B2/ja not_active Expired
- 1973-06-19 FR FR7323032A patent/FR2189316B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE796996A (en) | 1973-07-16 |
FR2189316B1 (en) | 1978-07-21 |
JPS4963692A (en) | 1974-06-20 |
DE2229602B1 (en) | 1973-09-27 |
SE386148B (en) | 1976-08-02 |
JPS5310957B2 (en) | 1978-04-18 |
GB1404546A (en) | 1975-09-03 |
IT982777B (en) | 1974-10-21 |
NL173627C (en) | 1984-02-16 |
IL42487A (en) | 1977-02-28 |
FR2189316A1 (en) | 1974-01-25 |
NL173627B (en) | 1983-09-16 |
NL7304362A (en) | 1973-12-21 |
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