MX162910B - Mejoras en procedimiento y aparato para retirar impurezas que contienen fluor o compuestos organicos - Google Patents
Mejoras en procedimiento y aparato para retirar impurezas que contienen fluor o compuestos organicosInfo
- Publication number
- MX162910B MX162910B MX201979A MX20197984A MX162910B MX 162910 B MX162910 B MX 162910B MX 201979 A MX201979 A MX 201979A MX 20197984 A MX20197984 A MX 20197984A MX 162910 B MX162910 B MX 162910B
- Authority
- MX
- Mexico
- Prior art keywords
- procedure
- organic compounds
- remove impurities
- containing fluorine
- impurities containing
- Prior art date
Links
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- 229910052731 fluorine Inorganic materials 0.000 title 1
- 239000011737 fluorine Substances 0.000 title 1
- 239000012535 impurity Substances 0.000 title 1
- 150000002894 organic compounds Chemical class 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
-
- 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
- C01B25/237—Selective elimination of impurities
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)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833325121 DE3325121A1 (de) | 1983-07-12 | 1983-07-12 | Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX162910B true MX162910B (es) | 1991-07-08 |
Family
ID=6203789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX201979A MX162910B (es) | 1983-07-12 | 1984-07-11 | Mejoras en procedimiento y aparato para retirar impurezas que contienen fluor o compuestos organicos |
Country Status (12)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3442142A1 (de) * | 1984-11-17 | 1986-05-22 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von verunreinigungen aus phosphorsaeure |
| DE3806822A1 (de) * | 1988-03-03 | 1989-09-14 | Hoechst Ag | Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure |
| RU2134233C1 (ru) * | 1999-01-29 | 1999-08-10 | Открытое акционерное общество "РЕАТЭКС" | Способ очистки экстракционной фосфорной кислоты от органических окрашивающих примесей |
| RU2182884C1 (ru) * | 2000-11-16 | 2002-05-27 | Оао "Аммофос" | Способ очистки экстракционной фосфорной кислоты, используемой для получения жидких комплексных удобрений |
| RU2198841C1 (ru) * | 2001-10-25 | 2003-02-20 | Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В.Самойлова" | Способ обесцвечивания очищенной фосфорной кислоты |
| TWI257915B (en) * | 2004-06-29 | 2006-07-11 | Yung-Hsiung Hsu | Processes for purifying phosphoric acid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2165100A (en) * | 1936-08-28 | 1939-07-04 | Virginia Chemical Corp | Process for purifying phosphoric acid |
| CA1109635A (en) * | 1977-05-23 | 1981-09-29 | Armand Mamourian | Purifying and defluorinating impure phosphoric acid |
| US4233278A (en) * | 1978-03-24 | 1980-11-11 | Davy Powergas Inc. | Process for purifying crude phosphoric acid |
| DE2910711A1 (de) * | 1979-03-19 | 1980-10-02 | Hoechst Ag | Verfahren zur entfernung von verunreinigungen organischer art aus phosphorsaeure |
| DE3131847A1 (de) * | 1981-08-12 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur entfernung von organischen verunreinigungen aus phosphorsaeure |
| US4457899A (en) * | 1981-11-23 | 1984-07-03 | Mobil Oil Corporation | Process for removal of residual organic matter from purified phosphoric acid |
-
1983
- 1983-07-12 DE DE19833325121 patent/DE3325121A1/de not_active Withdrawn
-
1984
- 1984-06-27 IL IL72240A patent/IL72240A/xx unknown
- 1984-06-28 US US06/625,456 patent/US4539192A/en not_active Expired - Fee Related
- 1984-07-03 EP EP84107703A patent/EP0131240B1/de not_active Expired
- 1984-07-03 DE DE8484107703T patent/DE3473753D1/de not_active Expired
- 1984-07-09 SU SU843758549A patent/SU1438607A3/ru active
- 1984-07-09 PH PH30945A patent/PH20977A/en unknown
- 1984-07-11 MX MX201979A patent/MX162910B/es unknown
- 1984-07-11 ES ES534212A patent/ES8503627A1/es not_active Expired
- 1984-07-11 BR BR8403463A patent/BR8403463A/pt not_active IP Right Cessation
- 1984-07-11 MA MA20396A patent/MA20172A1/fr unknown
- 1984-07-11 ZA ZA845329A patent/ZA845329B/xx unknown
- 1984-07-12 JP JP59143390A patent/JPS6036313A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| PH20977A (en) | 1987-06-18 |
| EP0131240A3 (en) | 1986-07-23 |
| JPS6341848B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-19 |
| US4539192A (en) | 1985-09-03 |
| JPS6036313A (ja) | 1985-02-25 |
| IL72240A (en) | 1987-07-31 |
| ES534212A0 (es) | 1985-04-01 |
| DE3473753D1 (en) | 1988-10-06 |
| BR8403463A (pt) | 1985-06-25 |
| MA20172A1 (fr) | 1985-04-01 |
| ZA845329B (en) | 1985-03-27 |
| ES8503627A1 (es) | 1985-04-01 |
| IL72240A0 (en) | 1984-10-31 |
| EP0131240A2 (de) | 1985-01-16 |
| DE3325121A1 (de) | 1985-01-24 |
| SU1438607A3 (ru) | 1988-11-15 |
| EP0131240B1 (de) | 1988-08-31 |
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