FI65413C - Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet - Google Patents
Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet Download PDFInfo
- Publication number
- FI65413C FI65413C FI803528A FI803528A FI65413C FI 65413 C FI65413 C FI 65413C FI 803528 A FI803528 A FI 803528A FI 803528 A FI803528 A FI 803528A FI 65413 C FI65413 C FI 65413C
- Authority
- FI
- Finland
- Prior art keywords
- phosphoric acid
- barium
- acid
- extraction
- purification
- 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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Removal Of Specific Substances (AREA)
- Extraction Or Liquid Replacement (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silicon Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Saccharide Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792945874 DE2945874A1 (de) | 1979-11-14 | 1979-11-14 | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| DE2945874 | 1979-11-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI803528L FI803528L (fi) | 1981-05-15 |
| FI65413B FI65413B (fi) | 1984-01-31 |
| FI65413C true FI65413C (fi) | 1984-05-10 |
Family
ID=6085899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI803528A FI65413C (fi) | 1979-11-14 | 1980-11-11 | Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4321245A (es) |
| EP (1) | EP0029132B1 (es) |
| JP (1) | JPS5684307A (es) |
| AT (1) | ATE2612T1 (es) |
| BR (1) | BR8007397A (es) |
| CA (1) | CA1144339A (es) |
| DD (1) | DD154291A5 (es) |
| DE (2) | DE2945874A1 (es) |
| EG (1) | EG15048A (es) |
| ES (1) | ES8105678A1 (es) |
| FI (1) | FI65413C (es) |
| IL (1) | IL61430A (es) |
| MA (1) | MA18998A1 (es) |
| SU (1) | SU1088658A3 (es) |
| ZA (1) | ZA807016B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323517A (ja) * | 1995-05-26 | 1996-12-10 | Tetsuo Tagami | 切削工具用チャック装置 |
| CN101575094B (zh) * | 2009-03-16 | 2011-08-24 | 瓮福（集团）有限责任公司 | 一种磷酸净化方法 |
| EP4015452A1 (en) | 2020-12-21 | 2022-06-22 | Técnicas Reunidas, S.A. | Process for producing technical grade phosphoric acid from sewage sludge ash |
| CN118488925A (zh) | 2021-12-27 | 2024-08-13 | 普瑞扬股份有限公司 | 用于纯化至少一种磷酸水溶液的方法 |
| CN116216672A (zh) * | 2022-12-16 | 2023-06-06 | 贵州芭田生态工程有限公司 | 一种制备磷酸过程中脱除硫酸根的方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3338674A (en) * | 1963-05-09 | 1967-08-29 | Avraham M Baniel | Process for preparation of substantially pure 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 |
| US3554694A (en) * | 1969-06-02 | 1971-01-12 | Cities Service Co | Process for producing fluosilicates |
| SE366972B (es) * | 1970-06-12 | 1974-05-13 | Azote & Prod Chim | |
| DE2032263B2 (de) * | 1970-06-30 | 1973-01-11 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von sulfationen aus technischer phosphorsaeure |
| DE2321751C3 (de) * | 1973-04-30 | 1981-11-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| JPS5018388A (es) * | 1973-06-21 | 1975-02-26 | ||
| 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 |
| DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
| FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
-
1979
- 1979-11-14 DE DE19792945874 patent/DE2945874A1/de not_active Withdrawn
-
1980
- 1980-09-30 ES ES495506A patent/ES8105678A1/es not_active Expired
- 1980-10-24 DE DE8080106516T patent/DE3062138D1/de not_active Expired
- 1980-10-24 EP EP80106516A patent/EP0029132B1/de not_active Expired
- 1980-10-24 AT AT80106516T patent/ATE2612T1/de not_active IP Right Cessation
- 1980-11-05 CA CA000363987A patent/CA1144339A/en not_active Expired
- 1980-11-07 IL IL61430A patent/IL61430A/xx unknown
- 1980-11-10 US US06/205,172 patent/US4321245A/en not_active Expired - Lifetime
- 1980-11-11 FI FI803528A patent/FI65413C/fi not_active IP Right Cessation
- 1980-11-12 EG EG80706A patent/EG15048A/xx active
- 1980-11-12 DD DD80225134A patent/DD154291A5/de not_active IP Right Cessation
- 1980-11-13 MA MA19200A patent/MA18998A1/fr unknown
- 1980-11-13 JP JP15890080A patent/JPS5684307A/ja active Granted
- 1980-11-13 SU SU803008195A patent/SU1088658A3/ru active
- 1980-11-13 ZA ZA00807016A patent/ZA807016B/xx unknown
- 1980-11-13 BR BR8007397A patent/BR8007397A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0029132A1 (de) | 1981-05-27 |
| DD154291A5 (de) | 1982-03-10 |
| IL61430A0 (en) | 1980-12-31 |
| DE3062138D1 (en) | 1983-03-31 |
| FI65413B (fi) | 1984-01-31 |
| DE2945874A1 (de) | 1981-05-27 |
| CA1144339A (en) | 1983-04-12 |
| MA18998A1 (fr) | 1981-07-01 |
| JPH0135765B2 (es) | 1989-07-27 |
| ZA807016B (en) | 1981-11-25 |
| EG15048A (en) | 1986-06-30 |
| ATE2612T1 (de) | 1983-03-15 |
| US4321245A (en) | 1982-03-23 |
| ES495506A0 (es) | 1981-06-16 |
| BR8007397A (pt) | 1981-05-26 |
| JPS5684307A (en) | 1981-07-09 |
| SU1088658A3 (ru) | 1984-04-23 |
| EP0029132B1 (de) | 1983-02-23 |
| FI803528L (fi) | 1981-05-15 |
| ES8105678A1 (es) | 1981-06-16 |
| IL61430A (en) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: HOECHST AKTIENGESELLSCHAFT |