BE892717A - PROCESS FOR OBTAINING PHOSPHORIC EXTRACTION ACID - Google Patents
PROCESS FOR OBTAINING PHOSPHORIC EXTRACTION ACIDInfo
- Publication number
- BE892717A BE892717A BE0/207723A BE207723A BE892717A BE 892717 A BE892717 A BE 892717A BE 0/207723 A BE0/207723 A BE 0/207723A BE 207723 A BE207723 A BE 207723A BE 892717 A BE892717 A BE 892717A
- Authority
- BE
- Belgium
- Prior art keywords
- extraction acid
- obtaining phosphoric
- phosphoric
- obtaining
- extraction
- Prior art date
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
- C01B25/226—Hemihydrate 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
- C01B25/22—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE0/207723A BE892717A (en) | 1982-03-31 | 1982-03-31 | PROCESS FOR OBTAINING PHOSPHORIC EXTRACTION ACID |
| FR8205764A FR2524457A1 (en) | 1982-03-31 | 1982-04-02 | Wet process phosphoric acid prodn. - which, during air treatment stage, regulates volume of air to reaction pulp and regulates density of recycled stream |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE0/207723A BE892717A (en) | 1982-03-31 | 1982-03-31 | PROCESS FOR OBTAINING PHOSPHORIC EXTRACTION ACID |
| BE892717 | 1982-03-31 | ||
| FR8205764A FR2524457A1 (en) | 1982-03-31 | 1982-04-02 | Wet process phosphoric acid prodn. - which, during air treatment stage, regulates volume of air to reaction pulp and regulates density of recycled stream |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE892717A true BE892717A (en) | 1982-09-30 |
Family
ID=27158726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/207723A BE892717A (en) | 1982-03-31 | 1982-03-31 | PROCESS FOR OBTAINING PHOSPHORIC EXTRACTION ACID |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE892717A (en) |
| FR (1) | FR2524457A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2644767A1 (en) * | 1989-03-22 | 1990-09-28 | Voskresensky Ni | Device for cooling a reaction mass in a reactor for the production of phosphoric acid |
| FR2659954A1 (en) * | 1990-03-22 | 1991-09-27 | Voskresensky Ni | Process for the preparation of phosphoric acid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU582198A1 (en) * | 1975-08-11 | 1977-11-30 | Предприятие П/Я В-8830 | Method of preparing phosphoric acid |
-
1982
- 1982-03-31 BE BE0/207723A patent/BE892717A/en not_active IP Right Cessation
- 1982-04-02 FR FR8205764A patent/FR2524457A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2524457B1 (en) | 1984-06-22 |
| FR2524457A1 (en) | 1983-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: KUNINA GERTRUDA A. Effective date: 19920331 Owner name: KHRIPUNOV NIKOLAI F. Effective date: 19920331 Owner name: MOROZOV ALBERT V. Effective date: 19920331 Owner name: KIPRIANOV JURY I. Effective date: 19920331 Owner name: ZAITSEV VIKTOR A. Effective date: 19920331 Owner name: KOLGANOVA TAMARA G. Effective date: 19920331 Owner name: MUKHIN IGOR P. Effective date: 19920331 Owner name: ZOTOV BORIS G. Effective date: 19920331 |