ES440190A1 - Procedimiento de defluoracion de acido fosforico. - Google Patents
Procedimiento de defluoracion de acido fosforico.Info
- Publication number
- ES440190A1 ES440190A1 ES440190A ES440190A ES440190A1 ES 440190 A1 ES440190 A1 ES 440190A1 ES 440190 A ES440190 A ES 440190A ES 440190 A ES440190 A ES 440190A ES 440190 A1 ES440190 A1 ES 440190A1
- Authority
- ES
- Spain
- Prior art keywords
- phosphoric acid
- organic solvent
- phase
- defluorinating
- solvent phase
- 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
- C01B25/234—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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (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 |
---|---|
ES440190A1 true ES440190A1 (es) | 1977-03-01 |
Family
ID=9142370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES440190A Expired ES440190A1 (es) | 1974-08-13 | 1975-08-12 | Procedimiento de defluoracion de acido fosforico. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4065547A (es) |
JP (1) | JPS5145695A (es) |
BE (1) | BE832369A (es) |
CA (1) | CA1043536A (es) |
DD (1) | DD119386A5 (es) |
DE (1) | DE2535971B2 (es) |
ES (1) | ES440190A1 (es) |
FR (1) | FR2281892A1 (es) |
GB (1) | GB1476560A (es) |
IE (1) | IE42047B1 (es) |
IT (1) | IT1041108B (es) |
NL (1) | NL7509601A (es) |
ZA (1) | ZA755185B (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS575882B2 (es) * | 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 |
US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
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 (es) * | 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 GB GB3340275A patent/GB1476560A/en not_active Expired
- 1975-08-11 US US05/603,732 patent/US4065547A/en not_active Expired - Lifetime
- 1975-08-12 ES ES440190A patent/ES440190A1/es not_active Expired
- 1975-08-12 IE IE1795/75A patent/IE42047B1/en unknown
- 1975-08-12 CA CA233,287A patent/CA1043536A/en not_active Expired
- 1975-08-12 BE BE159150A patent/BE832369A/xx not_active IP Right Cessation
- 1975-08-12 DD DD187807A patent/DD119386A5/xx unknown
- 1975-08-12 NL NL7509601A patent/NL7509601A/xx not_active Application Discontinuation
- 1975-08-12 ZA ZA00755185A patent/ZA755185B/xx unknown
- 1975-08-12 JP JP50098006A patent/JPS5145695A/ja active Granted
- 1975-08-12 DE DE2535971A patent/DE2535971B2/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4065547A (en) | 1977-12-27 |
BE832369A (fr) | 1976-02-12 |
AU8387875A (en) | 1977-02-17 |
DE2535971B2 (de) | 1978-10-05 |
DE2535971A1 (de) | 1976-02-26 |
ZA755185B (en) | 1976-07-28 |
JPS5145695A (en) | 1976-04-19 |
NL7509601A (nl) | 1976-02-17 |
DD119386A5 (es) | 1976-04-20 |
CA1043536A (en) | 1978-12-05 |
IE42047B1 (en) | 1980-05-21 |
IE42047L (en) | 1976-02-13 |
JPS5418997B2 (es) | 1979-07-11 |
IT1041108B (it) | 1980-01-10 |
FR2281892A1 (fr) | 1976-03-12 |
GB1476560A (en) | 1977-06-16 |
FR2281892B1 (es) | 1976-12-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES439330A1 (es) | Procedimiento para recuperar galio presente en soluciones acuosas. | |
ES440190A1 (es) | Procedimiento de defluoracion de acido fosforico. | |
CH423766A (de) | Verfahren zum Herstellen wasserlöslicher Verbindungen von Cholinphosphorsäurediglyceridestern | |
GB1416365A (en) | Process for the manufacture of drystalline ammonium phosphates | |
ES422744A1 (es) | Procedimiento para la purificacion del acido fosforico. | |
SE393361B (sv) | Forfarande for rening av vatprocessfosforsyra | |
JPS5355495A (en) | Purifying method for wet process phosphoric acid | |
IT1036343B (it) | Method per il trattamento dell aci do fosforico atto a impedire la formazione di fanghiglia durante l estrazione con solvente | |
TR21939A (tr) | Islak usullue fosforik asidin aritilmasina mahsus usul | |
ES395270A1 (es) | Un procedimiento para purificar acido fosforico obtenido enhumedo. | |
JPS53109098A (en) | Catalyzer filling method for graphite gastification reaction | |
JPS5375196A (en) | Removing method for heavy metals from phosphoric acid solution | |
JPS5297389A (en) | Removal of sulfate ion in extracted phosphoric acid | |
JPS52138361A (en) | Process for purifying waste water containing fluorine | |
NO140989C (no) | Fremgangsmaate til rensning av vandige sure nikkelholdige opploesninger ved hjelp av kvaternaert ammoniumtiocyanat | |
FR2258175A1 (en) | Purifying steroid heterosides by liquid-liquid extraction - esp. those from Ruscus aculeatus to give a prod. of predictable activity | |
JPS5233902A (en) | Regeneration of waste oil by neutralizing acid sludge in the oil | |
JPS51136595A (en) | Method of clarifing exhaust gas of dry type | |
SU791591A1 (ru) | Способ получени экстракционной фосфорной кислоты | |
JPS51125376A (en) | Process for preparing urea clathrate compounds of ascorbic acid deriva tives | |
NL170840C (nl) | Werkwijze ter bereiding van zuivere alkalimetaalfosfaatoplossingen uit fosforzuur van de natte werkwijze. | |
JPS5356189A (en) | Separating method for phosphoric acid and zinc | |
JPS5298698A (en) | Removal of organic matter in wet process phosphoric acid | |
JPS5249995A (en) | Method for purificating raw aqueous solution of zinc chloride system | |
JPS5317596A (en) | Purifying method for wet-process phosphoric acid |