FR1399421A - Procédé de concentration et de purification d'acide phosphorique - Google Patents
Procédé de concentration et de purification d'acide phosphoriqueInfo
- Publication number
- FR1399421A FR1399421A FR979517A FR979517A FR1399421A FR 1399421 A FR1399421 A FR 1399421A FR 979517 A FR979517 A FR 979517A FR 979517 A FR979517 A FR 979517A FR 1399421 A FR1399421 A FR 1399421A
- Authority
- FR
- France
- Prior art keywords
- phosphoric acid
- acid concentration
- purification process
- purification
- concentration
- 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
- C01B25/24—Condensed phosphoric acids
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR979517A FR1399421A (fr) | 1963-06-28 | 1964-06-24 | Procédé de concentration et de purification d'acide phosphorique |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2580563 | 1963-06-28 | ||
| GB806064 | 1964-02-26 | ||
| FR979517A FR1399421A (fr) | 1963-06-28 | 1964-06-24 | Procédé de concentration et de purification d'acide phosphorique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1399421A true FR1399421A (fr) | 1965-05-14 |
Family
ID=27248095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR979517A Expired FR1399421A (fr) | 1963-06-28 | 1964-06-24 | Procédé de concentration et de purification d'acide phosphorique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1399421A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527562A (en) * | 1965-06-18 | 1970-09-08 | Sincat Spa | Process and apparatus for the production of superphosphoric acid |
| WO2010108991A1 (fr) * | 2009-03-26 | 2010-09-30 | Prayon Technologies | Procédé et dispositif de production d'acide polyphosphorique |
-
1964
- 1964-06-24 FR FR979517A patent/FR1399421A/fr not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527562A (en) * | 1965-06-18 | 1970-09-08 | Sincat Spa | Process and apparatus for the production of superphosphoric acid |
| WO2010108991A1 (fr) * | 2009-03-26 | 2010-09-30 | Prayon Technologies | Procédé et dispositif de production d'acide polyphosphorique |
| BE1018702A3 (fr) * | 2009-03-26 | 2011-07-05 | Prayon Technologies | Procede et dispositif de production d'acide polyphosphorique. |
| RU2512522C2 (ru) * | 2009-03-26 | 2014-04-10 | Прэйон Текнолоджиз | Способ получения полифосфорной кислоты и устройство для его осуществления |
| US8845990B2 (en) | 2009-03-26 | 2014-09-30 | Prayon Technologies | Method and device for producing polyphosphoric acid |
| US9828471B2 (en) | 2009-03-26 | 2017-11-28 | Prayon Technologies | Method and device for producing polyphosphoric acid |
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