GB1476560A - Purification of phosphoric acid - Google Patents
Purification of phosphoric acidInfo
- Publication number
- GB1476560A GB1476560A GB3340275A GB3340275A GB1476560A GB 1476560 A GB1476560 A GB 1476560A GB 3340275 A GB3340275 A GB 3340275A GB 3340275 A GB3340275 A GB 3340275A GB 1476560 A GB1476560 A GB 1476560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphoric acid
- solution
- water
- organic solvent
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 20
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 10
- 238000000746 purification Methods 0.000 title abstract 2
- 239000000243 solution Substances 0.000 abstract 6
- 239000003960 organic solvent Substances 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 239000007864 aqueous solution Substances 0.000 abstract 4
- 239000008346 aqueous phase Substances 0.000 abstract 3
- 238000005406 washing Methods 0.000 abstract 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000012074 organic phase Substances 0.000 abstract 2
- 239000012071 phase Substances 0.000 abstract 2
- 150000003014 phosphoric acid esters Chemical class 0.000 abstract 2
- 230000008929 regeneration Effects 0.000 abstract 2
- 238000011069 regeneration method Methods 0.000 abstract 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
- 235000011010 calcium phosphates Nutrition 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 150000002222 fluorine compounds Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7428029A FR2281892A1 (fr) | 1974-08-13 | 1974-08-13 | Procede de defluoration d'acide phosphorique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1476560A true GB1476560A (en) | 1977-06-16 |
Family
ID=9142370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3340275A Expired GB1476560A (en) | 1974-08-13 | 1975-08-11 | Purification of phosphoric acid |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4065547A (enExample) |
| JP (1) | JPS5145695A (enExample) |
| BE (1) | BE832369A (enExample) |
| CA (1) | CA1043536A (enExample) |
| DD (1) | DD119386A5 (enExample) |
| DE (1) | DE2535971B2 (enExample) |
| ES (1) | ES440190A1 (enExample) |
| FR (1) | FR2281892A1 (enExample) |
| GB (1) | GB1476560A (enExample) |
| IE (1) | IE42047B1 (enExample) |
| IT (1) | IT1041108B (enExample) |
| NL (1) | NL7509601A (enExample) |
| ZA (1) | ZA755185B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0009849A1 (en) * | 1978-10-02 | 1980-04-16 | Stauffer Chemical Company | A process for the purification of phosphoric acid |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575882B2 (enExample) * | 1973-09-04 | 1982-02-02 | ||
| US4132765A (en) * | 1975-06-26 | 1979-01-02 | E. I. Du Pont De Nemours And Company | Recovery of fluoride values |
| US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| DE3328499A1 (de) * | 1983-08-06 | 1985-02-14 | Hoechst Ag, 6230 Frankfurt | Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure |
| CN115285954B (zh) * | 2022-08-12 | 2023-10-27 | 宜都兴发化工有限公司 | 一种提高湿法磷酸生产浓缩工段氟收率的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
| US3361527A (en) * | 1964-02-13 | 1968-01-02 | Monsanto Co | Process for separating iron from phosphoric acid containing the same |
| NL6604002A (enExample) * | 1965-03-25 | 1966-09-26 | ||
| US3410656A (en) * | 1966-06-01 | 1968-11-12 | Fmc Corp | Phosphoric acid purification |
| IL27538A (en) * | 1967-03-06 | 1970-09-17 | Blumberg R | Cleaning of phosphoric acid |
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| US3867511A (en) * | 1972-12-20 | 1975-02-18 | United States Steel Corp | Solvent extraction of h{hd 3{b po{hd 4 |
-
1974
- 1974-08-13 FR FR7428029A patent/FR2281892A1/fr active Granted
-
1975
- 1975-07-31 IT IT7550774A patent/IT1041108B/it active
- 1975-08-11 US US05/603,732 patent/US4065547A/en not_active Expired - Lifetime
- 1975-08-11 GB GB3340275A patent/GB1476560A/en not_active Expired
- 1975-08-12 DE DE2535971A patent/DE2535971B2/de not_active Ceased
- 1975-08-12 JP JP50098006A patent/JPS5145695A/ja active Granted
- 1975-08-12 ZA ZA00755185A patent/ZA755185B/xx unknown
- 1975-08-12 CA CA233,287A patent/CA1043536A/en not_active Expired
- 1975-08-12 NL NL7509601A patent/NL7509601A/xx not_active Application Discontinuation
- 1975-08-12 IE IE1795/75A patent/IE42047B1/en unknown
- 1975-08-12 DD DD187807A patent/DD119386A5/xx unknown
- 1975-08-12 BE BE159150A patent/BE832369A/xx not_active IP Right Cessation
- 1975-08-12 ES ES440190A patent/ES440190A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0009849A1 (en) * | 1978-10-02 | 1980-04-16 | Stauffer Chemical Company | A process for the purification of phosphoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| IE42047L (en) | 1976-02-13 |
| FR2281892A1 (fr) | 1976-03-12 |
| DE2535971B2 (de) | 1978-10-05 |
| IT1041108B (it) | 1980-01-10 |
| BE832369A (fr) | 1976-02-12 |
| DD119386A5 (enExample) | 1976-04-20 |
| US4065547A (en) | 1977-12-27 |
| ZA755185B (en) | 1976-07-28 |
| JPS5418997B2 (enExample) | 1979-07-11 |
| JPS5145695A (en) | 1976-04-19 |
| NL7509601A (nl) | 1976-02-17 |
| IE42047B1 (en) | 1980-05-21 |
| CA1043536A (en) | 1978-12-05 |
| ES440190A1 (es) | 1977-03-01 |
| DE2535971A1 (de) | 1976-02-26 |
| FR2281892B1 (enExample) | 1976-12-31 |
| AU8387875A (en) | 1977-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |