BR8004138A - Processo para a purificacao de uma solucao aquosa de acidofosforico do processo via umida - Google Patents
Processo para a purificacao de uma solucao aquosa de acidofosforico do processo via umidaInfo
- Publication number
- BR8004138A BR8004138A BR8004138A BR8004138A BR8004138A BR 8004138 A BR8004138 A BR 8004138A BR 8004138 A BR8004138 A BR 8004138A BR 8004138 A BR8004138 A BR 8004138A BR 8004138 A BR8004138 A BR 8004138A
- Authority
- BR
- Brazil
- Prior art keywords
- aqueous phase
- phase
- zones
- organic
- extraction
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 239000011260 aqueous acid Substances 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 239000008346 aqueous phase Substances 0.000 abstract 5
- 238000000605 extraction Methods 0.000 abstract 3
- 239000012074 organic phase Substances 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 238000005202 decontamination Methods 0.000 abstract 1
- 230000003588 decontaminative effect Effects 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- C01B25/462—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Saccharide Compounds (AREA)
- Materials For Medical Uses (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792926943 DE2926943A1 (de) | 1979-07-04 | 1979-07-04 | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8004138A true BR8004138A (pt) | 1981-01-21 |
Family
ID=6074853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8004138A BR8004138A (pt) | 1979-07-04 | 1980-07-03 | Processo para a purificacao de uma solucao aquosa de acidofosforico do processo via umida |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4346066A (https=) |
| EP (1) | EP0022477B1 (https=) |
| JP (1) | JPS5924723B2 (https=) |
| AT (1) | ATE30140T1 (https=) |
| BR (1) | BR8004138A (https=) |
| CA (1) | CA1141941A (https=) |
| DD (1) | DD151920A5 (https=) |
| DE (1) | DE2926943A1 (https=) |
| DK (1) | DK156951C (https=) |
| ES (1) | ES8101021A1 (https=) |
| FI (1) | FI70559C (https=) |
| IL (1) | IL60427A (https=) |
| MA (1) | MA18887A1 (https=) |
| MX (1) | MX152984A (https=) |
| PH (1) | PH16195A (https=) |
| SU (1) | SU1367851A3 (https=) |
| TR (1) | TR21265A (https=) |
| ZA (1) | ZA803999B (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3246415A1 (de) * | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| RU2166476C2 (ru) * | 1998-12-04 | 2001-05-10 | Зайцев Борис Николаевич | Способ очистки экстракционной фосфорной кислоты |
| SE535871C2 (sv) * | 2009-05-27 | 2013-01-22 | Easymining Sweden Ab | Produktion av ammoniumfosfater |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1292338A (fr) * | 1961-03-22 | 1962-05-04 | Ets Kuhlmann | Procédé d'obtention d'acide phosphorique pur par voie humide |
| GB1042621A (en) * | 1962-04-04 | 1966-09-14 | Ishihara Sangyo Kaisha | Liquid-liquid contact process and apparatus |
| DE1952104U (de) | 1966-10-21 | 1966-12-22 | Leonhard Masters | Lampe, welche an regalen loesbar anzubringen ist. |
| BE757550A (fr) * | 1969-10-16 | 1971-03-16 | Giulini Gmbh Geb | Procede de preparation de phosphates purs a partir d'acides phosphoriques impurs |
| SE366972B (https=) * | 1970-06-12 | 1974-05-13 | Azote & Prod Chim | |
| DE2321751C3 (de) * | 1973-04-30 | 1981-11-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| US4196180A (en) * | 1973-07-04 | 1980-04-01 | Hoechst Aktiengesellschaft | Purification of phosphoric acid by means of organic solvents |
| DE2657190C2 (de) * | 1976-12-17 | 1982-11-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
| DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
-
1979
- 1979-07-04 DE DE19792926943 patent/DE2926943A1/de active Granted
-
1980
- 1980-05-28 ES ES491919A patent/ES8101021A1/es not_active Expired
- 1980-06-12 EP EP80103272A patent/EP0022477B1/de not_active Expired
- 1980-06-12 AT AT80103272T patent/ATE30140T1/de not_active IP Right Cessation
- 1980-06-27 IL IL60427A patent/IL60427A/xx unknown
- 1980-06-30 US US06/164,365 patent/US4346066A/en not_active Expired - Lifetime
- 1980-07-01 TR TR21265A patent/TR21265A/xx unknown
- 1980-07-01 MA MA19084A patent/MA18887A1/fr unknown
- 1980-07-02 CA CA000355191A patent/CA1141941A/en not_active Expired
- 1980-07-02 FI FI802126A patent/FI70559C/fi not_active IP Right Cessation
- 1980-07-02 DD DD80222340A patent/DD151920A5/de unknown
- 1980-07-03 ZA ZA00803999A patent/ZA803999B/xx unknown
- 1980-07-03 MX MX183038A patent/MX152984A/es unknown
- 1980-07-03 SU SU802943652A patent/SU1367851A3/ru active
- 1980-07-03 BR BR8004138A patent/BR8004138A/pt not_active IP Right Cessation
- 1980-07-03 DK DK287880A patent/DK156951C/da not_active IP Right Cessation
- 1980-07-04 JP JP55090757A patent/JPS5924723B2/ja not_active Expired
- 1980-07-07 PH PH24244A patent/PH16195A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL60427A0 (en) | 1980-09-16 |
| MA18887A1 (fr) | 1981-04-01 |
| FI70559C (fi) | 1986-09-24 |
| FI70559B (fi) | 1986-06-06 |
| IL60427A (en) | 1983-11-30 |
| PH16195A (en) | 1983-07-28 |
| EP0022477A3 (en) | 1981-08-05 |
| DK287880A (da) | 1981-01-05 |
| ES491919A0 (es) | 1980-12-16 |
| ATE30140T1 (de) | 1987-10-15 |
| DK156951B (da) | 1989-10-23 |
| CA1141941A (en) | 1983-03-01 |
| EP0022477A2 (de) | 1981-01-21 |
| FI802126A7 (fi) | 1981-01-05 |
| MX152984A (es) | 1986-07-14 |
| DE2926943C2 (https=) | 1988-01-28 |
| DE2926943A1 (de) | 1981-01-29 |
| EP0022477B1 (de) | 1987-10-07 |
| JPS5924723B2 (ja) | 1984-06-12 |
| DK156951C (da) | 1990-03-26 |
| US4346066A (en) | 1982-08-24 |
| TR21265A (tr) | 1984-03-15 |
| ES8101021A1 (es) | 1980-12-16 |
| ZA803999B (en) | 1981-07-29 |
| SU1367851A3 (ru) | 1988-01-15 |
| DD151920A5 (de) | 1981-11-11 |
| JPS569203A (en) | 1981-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK | Patent expired |
Effective date: 19950703 |