FR2272029A2 - Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatment - Google Patents
Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatmentInfo
- Publication number
- FR2272029A2 FR2272029A2 FR7417425A FR7417425A FR2272029A2 FR 2272029 A2 FR2272029 A2 FR 2272029A2 FR 7417425 A FR7417425 A FR 7417425A FR 7417425 A FR7417425 A FR 7417425A FR 2272029 A2 FR2272029 A2 FR 2272029A2
- Authority
- FR
- France
- Prior art keywords
- pretreatment
- flocculating agent
- phosphoric acid
- crude phosphate
- adding flocculating
- 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.)
- Granted
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417425A FR2272029A2 (en) | 1974-05-20 | 1974-05-20 | Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417425A FR2272029A2 (en) | 1974-05-20 | 1974-05-20 | Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2272029A2 true FR2272029A2 (en) | 1975-12-19 |
| FR2272029B2 FR2272029B2 (US20080293856A1-20081127-C00150.png) | 1978-08-04 |
Family
ID=9139050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7417425A Granted FR2272029A2 (en) | 1974-05-20 | 1974-05-20 | Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatment |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2272029A2 (US20080293856A1-20081127-C00150.png) |
-
1974
- 1974-05-20 FR FR7417425A patent/FR2272029A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2272029B2 (US20080293856A1-20081127-C00150.png) | 1978-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1269223A (en) | Waste treatment for phosphate removal | |
| ES430237A1 (es) | Procedimiento para la obtencion de soluciones de fluoruro amonico. | |
| GB523111A (en) | Process for removing salts from water | |
| ES346854A1 (es) | Un procedimiento para la produccion de acido fosforico. | |
| GB1361532A (en) | Treatment of aluminium waste liquors | |
| ES455402A1 (es) | Un metodo para fabricar acido fosforico a partir de la roca de fosfato. | |
| EG11457A (en) | Purification of wet-processed phosphoric acid | |
| FR2272029A2 (en) | Phosphoric acid prodn. - comprising adding flocculating agent to crude phosphate which has no other pretreatment | |
| GB1113922A (en) | Clarifying phosphoric acid | |
| GB1419393A (en) | Treatment of potassium silico fluoride to produce metal fluorides | |
| GB1328357A (en) | Wet process for the manufacture of phosphoric acid and caldium sulphate | |
| GB1361827A (en) | Filter medium for water treatment | |
| GB1342344A (en) | Purification of phosphoric acid | |
| GB1444686A (en) | Method of concentrating gallium | |
| GB1322724A (en) | Complex aluminium phosphates | |
| GB1154993A (en) | Improvements in a process for the preparation of High Viscosity Gums | |
| GB1250191A (US20080293856A1-20081127-C00150.png) | ||
| GB1271112A (en) | Phosphate removal from waste water | |
| FR2281320A1 (fr) | Procede et dispositif pour assecher les produits boueux | |
| GB1052986A (US20080293856A1-20081127-C00150.png) | ||
| CN111575508A (zh) | 一种降低稀土料液放射性的方法 | |
| ES8201099A1 (es) | Metodo para preparar aluminofosfato sodico acido cristalino | |
| ES417776A1 (es) | Procedimiento para la purificacion del acido fosforico ob- tenido por via humeda, por medio de un tratamiento quimico. | |
| SU526594A1 (ru) | Способ получени фосфорной кислоты | |
| GB1451609A (en) | Process for reducing calcium sulphate scale formation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| AM | Act modifying the rights related to an application or a patent |