NL7304362A - - Google Patents
Info
- Publication number
- NL7304362A NL7304362A NL7304362A NL7304362A NL7304362A NL 7304362 A NL7304362 A NL 7304362A NL 7304362 A NL7304362 A NL 7304362A NL 7304362 A NL7304362 A NL 7304362A NL 7304362 A NL7304362 A NL 7304362A
- Authority
- NL
- Netherlands
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 (3)
| Publication Number | Publication Date |
|---|---|
| NL7304362A true NL7304362A (https=) | 1973-12-21 |
| NL173627B NL173627B (nl) | 1983-09-16 |
| NL173627C NL173627C (nl) | 1984-02-16 |
Family
ID=5848004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7304362,A NL173627C (nl) | 1972-06-19 | 1973-03-29 | Werkwijze voor het zuiveren van technisch fosforzuur. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5310957B2 (https=) |
| BE (1) | BE796996A (https=) |
| DE (1) | DE2229602B1 (https=) |
| FR (1) | FR2189316B1 (https=) |
| GB (1) | GB1404546A (https=) |
| IL (1) | IL42487A (https=) |
| IT (1) | IT982777B (https=) |
| NL (1) | NL173627C (https=) |
| SE (1) | SE386148B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433307C3 (de) * | 1974-07-11 | 1984-03-22 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Abtrennung eines Phosphorsäure-organisches Lösungsmittel-Wasser-Gemisches |
| DE2435789C3 (de) * | 1974-07-25 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reinigung von Phosphorsäure mit Hilfe von 3-Methoxybutanol |
| DE2538720C2 (de) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
| FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
| JPS55124490U (https=) * | 1979-02-27 | 1980-09-03 | ||
| DE3328499A1 (de) * | 1983-08-06 | 1985-02-14 | Hoechst Ag, 6230 Frankfurt | Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
-
1972
- 1972-06-19 DE DE2229602A patent/DE2229602B1/de active Pending
-
1973
- 1973-03-19 BE BE128972A patent/BE796996A/xx not_active IP Right Cessation
- 1973-03-29 NL NLAANVRAGE7304362,A patent/NL173627C/xx not_active IP Right Cessation
- 1973-04-16 IT IT23054/73A patent/IT982777B/it active
- 1973-05-04 SE SE7306294A patent/SE386148B/xx unknown
- 1973-06-12 IL IL42487A patent/IL42487A/en unknown
- 1973-06-19 JP JP6910873A patent/JPS5310957B2/ja not_active Expired
- 1973-06-19 GB GB2893573A patent/GB1404546A/en not_active Expired
- 1973-06-19 FR FR7323032A patent/FR2189316B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE796996A (fr) | 1973-07-16 |
| NL173627C (nl) | 1984-02-16 |
| FR2189316A1 (https=) | 1974-01-25 |
| DE2229602B1 (de) | 1973-09-27 |
| FR2189316B1 (https=) | 1978-07-21 |
| JPS5310957B2 (https=) | 1978-04-18 |
| IL42487A (en) | 1977-02-28 |
| SE386148B (sv) | 1976-08-02 |
| JPS4963692A (https=) | 1974-06-20 |
| GB1404546A (en) | 1975-09-03 |
| NL173627B (nl) | 1983-09-16 |
| IL42487A0 (en) | 1973-08-29 |
| IT982777B (it) | 1974-10-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |