DE69204360D1 - Verfahren zur Reinigung und Rückgewinnung von Orthophosphorsäure mittels Flüssig-Flüssig-Extraktion. - Google Patents
Verfahren zur Reinigung und Rückgewinnung von Orthophosphorsäure mittels Flüssig-Flüssig-Extraktion.Info
- Publication number
- DE69204360D1 DE69204360D1 DE69204360T DE69204360T DE69204360D1 DE 69204360 D1 DE69204360 D1 DE 69204360D1 DE 69204360 T DE69204360 T DE 69204360T DE 69204360 T DE69204360 T DE 69204360T DE 69204360 D1 DE69204360 D1 DE 69204360D1
- Authority
- DE
- Germany
- Prior art keywords
- orthophosphoric acid
- liquid
- washing
- solution
- extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- C01B25/465—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 ester or a mixture of esters
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/02—Light metals
- C23F3/03—Light metals with acidic solutions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Liquid Crystal Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9106738A FR2677345B1 (fr) | 1991-06-04 | 1991-06-04 | Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69204360D1 true DE69204360D1 (de) | 1995-10-05 |
DE69204360T2 DE69204360T2 (de) | 1996-04-18 |
Family
ID=9413448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69204360T Expired - Lifetime DE69204360T2 (de) | 1991-06-04 | 1992-06-03 | Verfahren zur Reinigung und Rückgewinnung von Orthophosphorsäure mittels Flüssig-Flüssig-Extraktion. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0517580B1 (de) |
AT (1) | ATE127100T1 (de) |
DE (1) | DE69204360T2 (de) |
ES (1) | ES2077996T3 (de) |
FI (1) | FI922565A (de) |
FR (1) | FR2677345B1 (de) |
MA (1) | MA22661A1 (de) |
TN (1) | TNSN92042A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2723001A1 (fr) * | 1994-07-27 | 1996-02-02 | Commissariat Energie Atomique | Procede de recuperation d'un acide mineral par l'extraction liquide-liquide utilisant un solvant organique deshydrate |
FR2823195B1 (fr) * | 2001-04-09 | 2004-07-02 | Electricite De France | Regeneration par extraction liquide-liquide des acides a partir de solution aqueuse contenant des metaux |
CN101927986B (zh) * | 2009-06-24 | 2012-07-04 | 瓮福(集团)有限责任公司 | 磷酸净化装置 |
CN101927988B (zh) * | 2009-06-26 | 2012-07-04 | 瓮福(集团)有限责任公司 | 磷酸净化装置 |
CN101935025B (zh) * | 2009-06-29 | 2012-07-04 | 瓮福(集团)有限责任公司 | 磷酸净化装置 |
FR3071172B1 (fr) * | 2017-09-18 | 2019-10-04 | IFP Energies Nouvelles | Procede de separation des composes furaniques, en particulier le 5- hydroxymethylfurfural, du dimethoxysulfoxyde par des extractions liquide-liquide |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES336087A1 (es) * | 1966-02-01 | 1967-12-16 | Fmc Corp | Procedimiento de purificacion de acido fosforico. |
FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
GB1296668A (de) * | 1969-03-24 | 1972-11-15 | ||
FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
FR2545076B1 (fr) * | 1983-04-28 | 1988-05-06 | Rhone Poulenc Chim Base | Procede de purification de l'acide phosphorique par extraction par solvant |
FR2631329B1 (fr) * | 1988-05-11 | 1991-10-11 | Srti Soc Rech Tech Ind | Procede de purification et de recuperation des bains de rincage de brillantage, et moyens de mise en oeuvre de ce procede |
-
1991
- 1991-06-04 FR FR9106738A patent/FR2677345B1/fr not_active Expired - Fee Related
-
1992
- 1992-06-02 MA MA22829A patent/MA22661A1/fr unknown
- 1992-06-03 ES ES92401507T patent/ES2077996T3/es not_active Expired - Lifetime
- 1992-06-03 AT AT92401507T patent/ATE127100T1/de not_active IP Right Cessation
- 1992-06-03 FI FI922565A patent/FI922565A/fi unknown
- 1992-06-03 DE DE69204360T patent/DE69204360T2/de not_active Expired - Lifetime
- 1992-06-03 EP EP92401507A patent/EP0517580B1/de not_active Expired - Lifetime
- 1992-06-04 TN TNTNSN92042A patent/TNSN92042A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
TNSN92042A1 (fr) | 1993-06-08 |
MA22661A1 (fr) | 1993-04-01 |
ATE127100T1 (de) | 1995-09-15 |
FR2677345B1 (fr) | 1993-12-24 |
ES2077996T3 (es) | 1995-12-01 |
FI922565A0 (fi) | 1992-06-03 |
EP0517580A1 (de) | 1992-12-09 |
DE69204360T2 (de) | 1996-04-18 |
FR2677345A1 (fr) | 1992-12-11 |
FI922565A (fi) | 1992-12-05 |
EP0517580B1 (de) | 1995-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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