FR1434190A - Procédé de fabrication d'acide phosphorique purifié - Google Patents
Procédé de fabrication d'acide phosphorique purifiéInfo
- Publication number
- FR1434190A FR1434190A FR873A FR873A FR1434190A FR 1434190 A FR1434190 A FR 1434190A FR 873 A FR873 A FR 873A FR 873 A FR873 A FR 873A FR 1434190 A FR1434190 A FR 1434190A
- Authority
- FR
- France
- Prior art keywords
- phosphoric acid
- purified phosphoric
- manufacturing purified
- manufacturing
- acid
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR873A FR1434190A (fr) | 1965-01-05 | 1965-01-05 | Procédé de fabrication d'acide phosphorique purifié |
IL24766A IL24766A (en) | 1965-01-05 | 1965-12-10 | Production of purified phosphoric acid by solvent extraction |
BE674580D BE674580A (fr) | 1965-01-05 | 1965-12-31 | |
US518525A US3397955A (en) | 1965-01-05 | 1966-01-04 | Purificatiion of phosphoric acid derived from phosphate rock |
GB352/66A GB1093926A (en) | 1965-01-05 | 1966-01-04 | Process for the preparation of purified phosphoric acid |
NL6600029A NL6600029A (fr) | 1965-01-05 | 1966-01-04 | |
DEP38497A DE1294944B (de) | 1965-01-05 | 1966-11-05 | Verfahren zur kontinuierlichen Reinigung von Phosphorsaeure aus dem Schwefelsaeureaufschluss von phosphathaltigen Gesteinen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR873A FR1434190A (fr) | 1965-01-05 | 1965-01-05 | Procédé de fabrication d'acide phosphorique purifié |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1434190A true FR1434190A (fr) | 1966-04-08 |
Family
ID=8567310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR873A Expired FR1434190A (fr) | 1965-01-05 | 1965-01-05 | Procédé de fabrication d'acide phosphorique purifié |
Country Status (7)
Country | Link |
---|---|
US (1) | US3397955A (fr) |
BE (1) | BE674580A (fr) |
DE (1) | DE1294944B (fr) |
FR (1) | FR1434190A (fr) |
GB (1) | GB1093926A (fr) |
IL (1) | IL24766A (fr) |
NL (1) | NL6600029A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507641A (en) * | 1966-12-29 | 1970-04-21 | Grace W R & Co | Preparation of slurry fertilizer by acid treatment of phosphate rock and ammoniation |
US3956465A (en) * | 1970-06-12 | 1976-05-11 | Azote Et Produits Chimiques S.A. | Solvent purification of wet process phosphoric acid |
US3723606A (en) * | 1970-12-21 | 1973-03-27 | Allied Chem | Production of phosphoric acid |
US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2929777A (en) * | 1958-12-11 | 1960-03-22 | Int Minerals & Chem Corp | Clarification of acidic phosphatic solutions |
US3084027A (en) * | 1960-07-01 | 1963-04-02 | Smith Douglass Company Inc | Clarification of phosphoric acid |
US3072461A (en) * | 1960-07-29 | 1963-01-08 | Dow Chemical Co | Preparation of phosphoric acid |
US3186793A (en) * | 1960-10-10 | 1965-06-01 | Internat Minerals & Chemicals | Clarification of acidic phosphatic solutions |
GB974610A (en) * | 1962-05-24 | 1964-11-04 | Canadian Ind | Purification of phosphoric acid |
-
1965
- 1965-01-05 FR FR873A patent/FR1434190A/fr not_active Expired
- 1965-12-10 IL IL24766A patent/IL24766A/xx unknown
- 1965-12-31 BE BE674580D patent/BE674580A/xx unknown
-
1966
- 1966-01-04 GB GB352/66A patent/GB1093926A/en not_active Expired
- 1966-01-04 US US518525A patent/US3397955A/en not_active Expired - Lifetime
- 1966-01-04 NL NL6600029A patent/NL6600029A/xx unknown
- 1966-11-05 DE DEP38497A patent/DE1294944B/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3397955A (en) | 1968-08-20 |
DE1294944B (de) | 1969-05-14 |
GB1093926A (en) | 1967-12-06 |
IL24766A (en) | 1969-07-30 |
NL6600029A (fr) | 1966-07-06 |
BE674580A (fr) | 1966-06-30 |
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