IT1139552B - Metodo di estrazione con solvente di acido fosforico - Google Patents
Metodo di estrazione con solvente di acido fosforicoInfo
- Publication number
- IT1139552B IT1139552B IT24703/81A IT2470381A IT1139552B IT 1139552 B IT1139552 B IT 1139552B IT 24703/81 A IT24703/81 A IT 24703/81A IT 2470381 A IT2470381 A IT 2470381A IT 1139552 B IT1139552 B IT 1139552B
- Authority
- IT
- Italy
- Prior art keywords
- phosphoric acid
- extraction method
- acid solvent
- solvent
- extraction
- Prior art date
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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55168681A JPS5933527B2 (ja) | 1980-11-29 | 1980-11-29 | リン酸の溶媒抽出法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8124703A0 IT8124703A0 (it) | 1981-10-27 |
IT1139552B true IT1139552B (it) | 1986-09-24 |
Family
ID=15872497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24703/81A IT1139552B (it) | 1980-11-29 | 1981-10-27 | Metodo di estrazione con solvente di acido fosforico |
Country Status (8)
Country | Link |
---|---|
US (1) | US4377562A (it) |
JP (1) | JPS5933527B2 (it) |
BE (1) | BE890910A (it) |
DE (1) | DE3143154A1 (it) |
FR (1) | FR2495126A1 (it) |
GB (1) | GB2088347B (it) |
IT (1) | IT1139552B (it) |
ZA (1) | ZA816800B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4543239A (en) * | 1984-08-21 | 1985-09-24 | International Minerals & Chemical Corp. | Phosphoric acid extraction process |
US4780295A (en) * | 1987-07-06 | 1988-10-25 | Fmc Corporation | Process for purifying phosphoric acid |
JPS6441714U (it) * | 1987-09-09 | 1989-03-13 | ||
DE19703884C2 (de) * | 1997-02-03 | 1999-04-29 | Bk Giulini Chem Gmbh & Co Ohg | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
CN1299976C (zh) * | 2005-11-03 | 2007-02-14 | 华中师范大学 | 溶剂萃取净化中低品位磷矿生产的湿法磷酸的方法 |
CN102689883B (zh) * | 2012-06-19 | 2014-02-26 | 瓮福(集团)有限责任公司 | 含磷滤渣资源化生产磷酸二铵的方法 |
CN117720079B (zh) * | 2023-12-11 | 2024-05-17 | 安徽金轩科技有限公司 | 一种磷酸的高效率除杂方法及除杂*** |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI43731B (it) * | 1965-02-04 | 1971-03-01 | Typpi Oy | |
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 |
US4127640A (en) * | 1972-04-26 | 1978-11-28 | Albright & Wilson Ltd. | Purification of phosphoric acid by solvent extraction using hexanones |
US3867511A (en) * | 1972-12-20 | 1975-02-18 | United States Steel Corp | Solvent extraction of h{hd 3{b po{hd 4 |
LU66958A1 (it) * | 1973-02-02 | 1974-09-25 | ||
IL42774A (en) * | 1973-07-18 | 1976-07-30 | Imi Inst For Res & Dev | Purification of phosphoric acid |
DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
-
1980
- 1980-11-29 JP JP55168681A patent/JPS5933527B2/ja not_active Expired
-
1981
- 1981-09-22 GB GB8128636A patent/GB2088347B/en not_active Expired
- 1981-10-01 ZA ZA816800A patent/ZA816800B/xx unknown
- 1981-10-08 US US06/309,774 patent/US4377562A/en not_active Expired - Lifetime
- 1981-10-27 IT IT24703/81A patent/IT1139552B/it active
- 1981-10-28 FR FR8120255A patent/FR2495126A1/fr active Granted
- 1981-10-29 BE BE0/206382A patent/BE890910A/fr not_active IP Right Cessation
- 1981-10-30 DE DE19813143154 patent/DE3143154A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2495126B1 (it) | 1985-04-12 |
JPS5933527B2 (ja) | 1984-08-16 |
DE3143154C2 (it) | 1992-01-23 |
ZA816800B (en) | 1982-09-29 |
US4377562A (en) | 1983-03-22 |
GB2088347B (en) | 1984-02-08 |
JPS5792511A (en) | 1982-06-09 |
DE3143154A1 (de) | 1982-07-01 |
GB2088347A (en) | 1982-06-09 |
BE890910A (fr) | 1982-04-29 |
FR2495126A1 (fr) | 1982-06-04 |
IT8124703A0 (it) | 1981-10-27 |
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