FR2545076B1 - Procede de purification de l'acide phosphorique par extraction par solvant - Google Patents
Procede de purification de l'acide phosphorique par extraction par solvantInfo
- Publication number
- FR2545076B1 FR2545076B1 FR8307004A FR8307004A FR2545076B1 FR 2545076 B1 FR2545076 B1 FR 2545076B1 FR 8307004 A FR8307004 A FR 8307004A FR 8307004 A FR8307004 A FR 8307004A FR 2545076 B1 FR2545076 B1 FR 2545076B1
- Authority
- FR
- France
- Prior art keywords
- purification
- phosphoric acid
- solvent extraction
- extraction
- solvent
- 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
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8307004A FR2545076B1 (fr) | 1983-04-28 | 1983-04-28 | Procede de purification de l'acide phosphorique par extraction par solvant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8307004A FR2545076B1 (fr) | 1983-04-28 | 1983-04-28 | Procede de purification de l'acide phosphorique par extraction par solvant |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2545076A1 FR2545076A1 (fr) | 1984-11-02 |
FR2545076B1 true FR2545076B1 (fr) | 1988-05-06 |
Family
ID=9288323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8307004A Expired FR2545076B1 (fr) | 1983-04-28 | 1983-04-28 | Procede de purification de l'acide phosphorique par extraction par solvant |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2545076B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0176613A1 (fr) * | 1984-10-01 | 1986-04-09 | East China Institute Of Chemical Technology | Procédé de préparation d'acide phosphorique et/ou de phosphates à partir d'acide phosphorique de voie humide et agent d'extraction à cet effet |
FR2677345B1 (fr) * | 1991-06-04 | 1993-12-24 | Commissariat A Energie Atomique | Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2519814A1 (de) * | 1975-05-03 | 1976-11-11 | Bayer Ag | Verfahren zur extraktion von phosphorsaeure |
-
1983
- 1983-04-28 FR FR8307004A patent/FR2545076B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2545076A1 (fr) | 1984-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |