FR2447348B1 - - Google Patents
Info
- Publication number
- FR2447348B1 FR2447348B1 FR7901751A FR7901751A FR2447348B1 FR 2447348 B1 FR2447348 B1 FR 2447348B1 FR 7901751 A FR7901751 A FR 7901751A FR 7901751 A FR7901751 A FR 7901751A FR 2447348 B1 FR2447348 B1 FR 2447348B1
- Authority
- FR
- France
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901751A FR2447348A1 (fr) | 1979-01-24 | 1979-01-24 | Procede de purification d'un acide phosphorique impur |
US06/009,918 US4225568A (en) | 1979-01-24 | 1979-02-06 | Process for the purification of an impure phosphoric acid |
PH23507A PH14537A (en) | 1979-01-24 | 1980-01-14 | Process for the purification of an impure phosphoric acid |
JP625880A JPS55100208A (en) | 1979-01-24 | 1980-01-22 | Purification of crude phosphoric acid |
IT47672/80A IT1167603B (it) | 1979-01-24 | 1980-01-22 | Procedimento di purificazione di un acido fosforico impuro |
YU158/80A YU42958B (en) | 1979-01-24 | 1980-01-22 | Process for phosphoric acid purifying |
BR8000385A BR8000385A (pt) | 1979-01-24 | 1980-01-22 | Processo de purificacao de um acido fosforico impuro |
DE19803002339 DE3002339A1 (de) | 1979-01-24 | 1980-01-23 | Verfahren zum reinigen einer organischen phosphorsaeureloesung |
ZA00800409A ZA80409B (en) | 1979-01-24 | 1980-01-23 | Purification of impure phosphoric acid |
CA000344265A CA1134594A (fr) | 1979-01-24 | 1980-01-23 | Procede de purification d'un acide phosphorique impur |
BE0/199079A BE881306A (fr) | 1979-01-24 | 1980-01-23 | Procede de purification d'un acide phosphorique impur |
NL8000440A NL8000440A (nl) | 1979-01-24 | 1980-01-23 | Werkwijze voor het zuiveren van een onzuiver fosfor- zuur. |
ES487927A ES487927A0 (es) | 1979-01-24 | 1980-01-23 | Procedimiento de purificacion de una fase organica ensolubleen agua que contiene acido fosforico y acido sulfurico. |
GB8002250A GB2040274B (en) | 1979-01-24 | 1980-01-23 | Purification of phosphoric acid |
MX10181580U MX6935E (es) | 1979-01-24 | 1980-06-22 | Mejoras en metodo para purificar un acido fosforico impuro obtenido por via humeda |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901751A FR2447348A1 (fr) | 1979-01-24 | 1979-01-24 | Procede de purification d'un acide phosphorique impur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447348A1 FR2447348A1 (fr) | 1980-08-22 |
FR2447348B1 true FR2447348B1 (US07993877-20110809-P00003.png) | 1982-08-06 |
Family
ID=9221133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7901751A Granted FR2447348A1 (fr) | 1979-01-24 | 1979-01-24 | Procede de purification d'un acide phosphorique impur |
Country Status (13)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2945874A1 (de) * | 1979-11-14 | 1981-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
US4511541A (en) * | 1982-12-02 | 1985-04-16 | J. R. Simplot Company | Process for the recovery of cadmium and other metals from solution |
US4643883A (en) * | 1986-01-22 | 1987-02-17 | International Minerals & Chemical Corp. | Method of decolorizing wet process phosphoric acid |
DE3705069A1 (de) * | 1987-02-18 | 1988-09-01 | Hoechst Ag | Verfahren zur herstellung titanfreier phosphorsaeure |
US4780295A (en) * | 1987-07-06 | 1988-10-25 | Fmc Corporation | Process for purifying phosphoric acid |
FR2677345B1 (fr) * | 1991-06-04 | 1993-12-24 | Commissariat A Energie Atomique | Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide. |
ES2542524T3 (es) * | 2009-05-27 | 2015-08-06 | Easymining Sweden Ab | Producción de fosfatos de amonio |
CN104591110B (zh) * | 2015-01-13 | 2016-09-14 | 四川省汉源化工总厂 | 一种浓缩湿法磷酸制备低含硫磷酸二氢钙的方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR805221A (fr) * | 1935-04-30 | 1936-11-14 | Pulverfabrik Skodawerke Wetzle | Procédé de purification de l'acide phosphorique brut |
DE884358C (de) * | 1951-09-20 | 1953-07-27 | Gerardo Collardin | Verfahren zur Reinigung von technischer Phosphorsaeure |
FR1292338A (fr) * | 1961-03-22 | 1962-05-04 | Ets Kuhlmann | Procédé d'obtention d'acide phosphorique pur par voie humide |
FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
GB1345710A (en) * | 1971-06-28 | 1974-02-06 | Albright & Wilson | Manufacture of phosphoric acid and alkali metal phosphates |
DE2229602B1 (de) * | 1972-06-19 | 1973-09-27 | Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Reinigung von technischer Phosphorsaure |
US4018869A (en) * | 1973-06-06 | 1977-04-19 | Chemische Fabrik Budenheim Rudolf A. Oetker | Process for the extractive purification of phosphoric acid containing cationic impurities |
DE2334019C3 (de) * | 1973-07-04 | 1982-11-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure |
US4108963A (en) * | 1974-06-25 | 1978-08-22 | Produits Chimiques Ugine Kuhlmann | Process for purifying phosphoric acid |
DE2433307C3 (de) * | 1974-07-11 | 1984-03-22 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Abtrennung eines Phosphorsäure-organisches Lösungsmittel-Wasser-Gemisches |
DE2432472C3 (de) * | 1974-07-06 | 1979-02-01 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von wäßriger Phosphorsäure |
GB1493999A (en) * | 1974-07-06 | 1977-12-07 | Hoechst Ag | Purification of phosphoric acid |
DE2517657A1 (de) * | 1975-04-22 | 1976-11-11 | Masaki Takahara | Verfahren zur herstellung von phosphorsaeure von hoher reinheit |
GB1560984A (en) * | 1975-08-05 | 1980-02-13 | Albright & Wilson | Process for preparing phosphate salts |
US3993733A (en) * | 1975-08-14 | 1976-11-23 | Stauffer Chemical Company | Food grade alkali metal phosphates from wet process H3 PO4 |
US3993736A (en) * | 1975-08-14 | 1976-11-23 | Stauffer Chemical Company | Food grade phosphoric acid from wet process acid |
DE2538410A1 (de) * | 1975-08-29 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
DE2538721C2 (de) * | 1975-08-30 | 1982-09-16 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten durch Extraktion von Rohphosphorsäure |
DE2538720C2 (de) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
US4070443A (en) * | 1976-02-13 | 1978-01-24 | Toyo Soda Manufacturing Co., Ltd. | Process for removing sulfate ions from extracted phosphoric acid with a barium compound |
JPS5297389A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Removal of sulfate ion in extracted phosphoric acid |
-
1979
- 1979-01-24 FR FR7901751A patent/FR2447348A1/fr active Granted
- 1979-02-06 US US06/009,918 patent/US4225568A/en not_active Expired - Lifetime
-
1980
- 1980-01-22 IT IT47672/80A patent/IT1167603B/it active
- 1980-01-22 JP JP625880A patent/JPS55100208A/ja active Granted
- 1980-01-22 BR BR8000385A patent/BR8000385A/pt not_active IP Right Cessation
- 1980-01-22 YU YU158/80A patent/YU42958B/xx unknown
- 1980-01-23 BE BE0/199079A patent/BE881306A/fr not_active IP Right Cessation
- 1980-01-23 ES ES487927A patent/ES487927A0/es active Granted
- 1980-01-23 DE DE19803002339 patent/DE3002339A1/de active Granted
- 1980-01-23 GB GB8002250A patent/GB2040274B/en not_active Expired
- 1980-01-23 ZA ZA00800409A patent/ZA80409B/xx unknown
- 1980-01-23 NL NL8000440A patent/NL8000440A/nl not_active Application Discontinuation
- 1980-01-23 CA CA000344265A patent/CA1134594A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2040274A (en) | 1980-08-28 |
US4225568A (en) | 1980-09-30 |
DE3002339C2 (US07993877-20110809-P00003.png) | 1988-01-14 |
JPH0380721B2 (US07993877-20110809-P00003.png) | 1991-12-25 |
ES8102056A1 (es) | 1980-12-16 |
DE3002339A1 (de) | 1980-07-31 |
CA1134594A (fr) | 1982-11-02 |
BE881306A (fr) | 1980-07-23 |
FR2447348A1 (fr) | 1980-08-22 |
YU15880A (en) | 1983-09-30 |
ES487927A0 (es) | 1980-12-16 |
JPS55100208A (en) | 1980-07-31 |
ZA80409B (en) | 1981-02-25 |
YU42958B (en) | 1989-02-28 |
GB2040274B (en) | 1982-11-24 |
NL8000440A (nl) | 1980-07-28 |
IT8047672A0 (it) | 1980-01-22 |
IT1167603B (it) | 1987-05-13 |
BR8000385A (pt) | 1980-10-07 |