RO67820A - Procedeu pentru purificarea acidului fosforic - Google Patents
Procedeu pentru purificarea acidului fosforicInfo
- Publication number
- RO67820A RO67820A RO7374626A RO7462673A RO67820A RO 67820 A RO67820 A RO 67820A RO 7374626 A RO7374626 A RO 7374626A RO 7462673 A RO7462673 A RO 7462673A RO 67820 A RO67820 A RO 67820A
- Authority
- RO
- Romania
- Prior art keywords
- purification
- phosphoric acid
- phosphoric
- acid
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 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
- C01B25/46—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
- C01B25/463—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 a ketone or a mixture of ketones
-
- 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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
-
- 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
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1947672A GB1436113A (en) | 1972-04-26 | 1972-04-26 | Purification of phosphoric acid |
| GB4538072 | 1972-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO67820A true RO67820A (ro) | 1980-01-15 |
Family
ID=26254071
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7374626A RO67820A (ro) | 1972-04-26 | 1973-04-26 | Procedeu pentru purificarea acidului fosforic |
| RO7385793A RO69802A (ro) | 1972-04-26 | 1973-04-26 | Procedeu de purificare a acidului fosforic |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7385793A RO69802A (ro) | 1972-04-26 | 1973-04-26 | Procedeu de purificare a acidului fosforic |
Country Status (20)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL48207A (en) * | 1974-10-07 | 1978-12-17 | Pennzoil Co | Production of fluoride-free phosphates |
| CA1139956A (en) * | 1978-10-10 | 1983-01-25 | Mark A. Rose | Process for extracting uranium from crude phosphoric acids |
| DE3246415A1 (de) * | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| DE3246416A1 (de) * | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
| JP2512429Y2 (ja) * | 1993-07-12 | 1996-10-02 | 北陸電気工業株式会社 | 高電圧抵抗パック |
| IT1285694B1 (it) * | 1996-05-08 | 1998-06-18 | Azionaria Costruzioni Acma Spa | Metodo ed unita' per la formazione ed il convogliamento di gruppi di prodotti |
| DE19703884C2 (de) | 1997-02-03 | 1999-04-29 | Bk Giulini Chem Gmbh & Co Ohg | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
| RU2166476C2 (ru) * | 1998-12-04 | 2001-05-10 | Зайцев Борис Николаевич | Способ очистки экстракционной фосфорной кислоты |
| RU2191745C1 (ru) * | 2001-04-25 | 2002-10-27 | Зайцев Борис Николаевич | Способ очистки экстракционной фосфорной кислоты |
| RU2337060C1 (ru) * | 2007-06-04 | 2008-10-27 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. Я.В. Самойлова" | Способ восстановления органического экстрагента |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL298968A (enrdf_load_html_response) | 1963-10-08 | |||
| GB1142719A (en) * | 1968-10-24 | 1969-02-12 | Israel Mining Ind Inst For Res | Phosphoric acid recovery |
| DE2334019C3 (de) * | 1973-07-04 | 1982-11-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure |
-
1972
- 1972-04-26 GB GB1947672A patent/GB1436113A/en not_active Expired
-
1973
- 1973-04-17 NO NO1639/73A patent/NO137082C/no unknown
- 1973-04-18 IE IE614/73A patent/IE37549B1/xx unknown
- 1973-04-24 CA CA170,075A patent/CA1004828A/en not_active Expired
- 1973-04-25 ES ES414069A patent/ES414069A1/es not_active Expired
- 1973-04-25 FR FR7314935A patent/FR2182055B1/fr not_active Expired
- 1973-04-25 NL NL7305765A patent/NL7305765A/xx not_active Application Discontinuation
- 1973-04-25 SE SE7305814A patent/SE395263B/xx unknown
- 1973-04-25 TR TR18445A patent/TR18445A/xx unknown
- 1973-04-25 DE DE2320877A patent/DE2320877B2/de not_active Ceased
- 1973-04-25 IN IN966/CAL/73A patent/IN140334B/en unknown
- 1973-04-26 RO RO7374626A patent/RO67820A/ro unknown
- 1973-04-26 FI FI1342/73A patent/FI59077C/fi active
- 1973-04-26 BE BE130427A patent/BE798737A/xx unknown
- 1973-04-26 DD DD170600A patent/DD109362A5/xx unknown
- 1973-04-26 JP JP48046871A patent/JPS4999993A/ja active Pending
- 1973-04-26 CH CH599273A patent/CH613916A5/xx not_active IP Right Cessation
- 1973-04-26 OA OA54887A patent/OA04403A/xx unknown
- 1973-04-26 RO RO7385793A patent/RO69802A/ro unknown
-
1975
- 1975-10-24 AU AU85994/75A patent/AU8599475A/en not_active Expired
- 1975-12-11 FR FR7538023A patent/FR2289442A1/fr active Granted
- 1975-12-11 FR FR7538022A patent/FR2289441A1/fr active Granted
-
1978
- 1978-12-31 MY MY197885A patent/MY7800085A/xx unknown
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