FR2343696A1 - Procede de preparation d'acide phosphorique a partir de minerais de phosphate - Google Patents
Procede de preparation d'acide phosphorique a partir de minerais de phosphateInfo
- Publication number
- FR2343696A1 FR2343696A1 FR7705316A FR7705316A FR2343696A1 FR 2343696 A1 FR2343696 A1 FR 2343696A1 FR 7705316 A FR7705316 A FR 7705316A FR 7705316 A FR7705316 A FR 7705316A FR 2343696 A1 FR2343696 A1 FR 2343696A1
- Authority
- FR
- France
- Prior art keywords
- phosphoric acid
- tonnes
- ore
- acid
- slurry
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 title abstract 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 8
- 239000002002 slurry Substances 0.000 title abstract 6
- 229910019142 PO4 Inorganic materials 0.000 title abstract 4
- 235000006408 oxalic acid Nutrition 0.000 title abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title abstract 2
- 239000010452 phosphate Substances 0.000 title abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title 1
- 229910052791 calcium Inorganic materials 0.000 title 1
- 239000011575 calcium Substances 0.000 title 1
- 230000029087 digestion Effects 0.000 title 1
- 235000021317 phosphate Nutrition 0.000 abstract 3
- 229910052925 anhydrite Inorganic materials 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011819 refractory material Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- 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
- C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
-
- 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
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
- C22B60/0282—Solutions containing P ions, e.g. treatment of solutions resulting from the leaching of phosphate ores or recovery of uranium from wet-process phosphoric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66533076A | 1976-03-09 | 1976-03-09 | |
| US05/761,855 US4108957A (en) | 1976-03-09 | 1977-01-24 | Method for manufacture of phosphoric acid from phosphate rock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2343696A1 true FR2343696A1 (fr) | 1977-10-07 |
| FR2343696B3 FR2343696B3 (enrdf_load_html_response) | 1979-10-19 |
Family
ID=27099180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7705316A Granted FR2343696A1 (fr) | 1976-03-09 | 1977-02-23 | Procede de preparation d'acide phosphorique a partir de minerais de phosphate |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH603489A5 (enrdf_load_html_response) |
| FR (1) | FR2343696A1 (enrdf_load_html_response) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473063A1 (fr) * | 1980-01-07 | 1981-07-10 | Pechiney Ugine Kuhlmann Uran | Procede ameliore de separation solide-liquide dans le cas de l'attaque sulfurique d'un minerai uranifere |
| WO1993024410A1 (en) * | 1992-05-27 | 1993-12-09 | Purac Biochem B.V. | DIRECT FORMATION OF α-CALCIUM SULFATE HEMIHYDRATE UNDER ATMOSPHERIC PRESSURE |
| WO2002012120A1 (fr) * | 2000-08-03 | 2002-02-14 | Ecophos | Procede de production d'acide phosphorique |
-
1977
- 1977-02-23 FR FR7705316A patent/FR2343696A1/fr active Granted
- 1977-03-08 CH CH290777A patent/CH603489A5/xx not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473063A1 (fr) * | 1980-01-07 | 1981-07-10 | Pechiney Ugine Kuhlmann Uran | Procede ameliore de separation solide-liquide dans le cas de l'attaque sulfurique d'un minerai uranifere |
| WO1993024410A1 (en) * | 1992-05-27 | 1993-12-09 | Purac Biochem B.V. | DIRECT FORMATION OF α-CALCIUM SULFATE HEMIHYDRATE UNDER ATMOSPHERIC PRESSURE |
| WO2002012120A1 (fr) * | 2000-08-03 | 2002-02-14 | Ecophos | Procede de production d'acide phosphorique |
| BE1013634A3 (fr) * | 2000-08-03 | 2002-05-07 | Ecophos | Procede de production d'acide phosphorique. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2343696B3 (enrdf_load_html_response) | 1979-10-19 |
| CH603489A5 (enrdf_load_html_response) | 1978-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |