FR1472520A - Phosphoric acid desulfation process - Google Patents
Phosphoric acid desulfation processInfo
- Publication number
- FR1472520A FR1472520A FR54715A FR54715A FR1472520A FR 1472520 A FR1472520 A FR 1472520A FR 54715 A FR54715 A FR 54715A FR 54715 A FR54715 A FR 54715A FR 1472520 A FR1472520 A FR 1472520A
- Authority
- FR
- France
- Prior art keywords
- phosphoric acid
- desulfation process
- desulfation
- phosphoric
- 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR54715A FR1472520A (en) | 1966-03-23 | 1966-03-23 | Phosphoric acid desulfation process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR54715A FR1472520A (en) | 1966-03-23 | 1966-03-23 | Phosphoric acid desulfation process |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1472520A true FR1472520A (en) | 1967-03-10 |
Family
ID=8604519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR54715A Expired FR1472520A (en) | 1966-03-23 | 1966-03-23 | Phosphoric acid desulfation process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1472520A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447390A1 (en) * | 1974-10-04 | 1976-04-08 | Hoechst Ag | METHOD AND SYSTEM FOR CLEANING UP WET PHOSPHORIC ACID |
EP0016264A1 (en) * | 1978-12-19 | 1980-10-01 | METALLURGIE HOBOKEN-OVERPELT Société anonyme dite: | Process for extracting uranium from phosphoric acid |
FR2549460A1 (en) * | 1983-07-21 | 1985-01-25 | Sae Timac | PROCESS FOR PRODUCING PURIFIED PHOSPHORIC ACID, APPARATUS AND PRODUCT THEREOF |
EP0164087A2 (en) * | 1984-06-08 | 1985-12-11 | BASF Aktiengesellschaft | Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid |
-
1966
- 1966-03-23 FR FR54715A patent/FR1472520A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447390A1 (en) * | 1974-10-04 | 1976-04-08 | Hoechst Ag | METHOD AND SYSTEM FOR CLEANING UP WET PHOSPHORIC ACID |
EP0016264A1 (en) * | 1978-12-19 | 1980-10-01 | METALLURGIE HOBOKEN-OVERPELT Société anonyme dite: | Process for extracting uranium from phosphoric acid |
FR2549460A1 (en) * | 1983-07-21 | 1985-01-25 | Sae Timac | PROCESS FOR PRODUCING PURIFIED PHOSPHORIC ACID, APPARATUS AND PRODUCT THEREOF |
EP0134732A1 (en) * | 1983-07-21 | 1985-03-20 | Timac S.A. | Process for producing purified phosphoric acid, device therefor and product obtained |
EP0164087A2 (en) * | 1984-06-08 | 1985-12-11 | BASF Aktiengesellschaft | Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid |
EP0164087A3 (en) * | 1984-06-08 | 1988-03-30 | Basf Aktiengesellschaft | Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid |
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