SE366972B - - Google Patents
Info
- Publication number
- SE366972B SE366972B SE667371A SE667371A SE366972B SE 366972 B SE366972 B SE 366972B SE 667371 A SE667371 A SE 667371A SE 667371 A SE667371 A SE 667371A SE 366972 B SE366972 B SE 366972B
- Authority
- SE
- Sweden
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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7021581A FR2093372A5 (en) | 1970-06-12 | 1970-06-12 | Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent |
| FR7108242A FR2128968A6 (en) | 1971-03-10 | 1971-03-10 | Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE366972B true SE366972B (fi) | 1974-05-13 |
Family
ID=26215792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE667371A SE366972B (fi) | 1970-06-12 | 1971-05-24 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE768426A (fi) |
| DE (1) | DE2127141C3 (fi) |
| FI (1) | FI54908C (fi) |
| GB (1) | GB1357614A (fi) |
| NL (1) | NL157578B (fi) |
| NO (1) | NO132389C (fi) |
| SE (1) | SE366972B (fi) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE2926943A1 (de) * | 1979-07-04 | 1981-01-29 | Hoechst Ag | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
| DE2945874A1 (de) | 1979-11-14 | 1981-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| WO2002053061A2 (en) | 2000-12-29 | 2002-07-11 | Gray Matter Holdings, Llc | Ear protection device |
| RU2452685C1 (ru) * | 2011-04-05 | 2012-06-10 | Открытое акционерное общество (ОАО) "Мелеузовские минеральные удобрения" | Способ очистки экстракционной фосфорной кислоты |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1838431A (en) * | 1930-08-26 | 1931-12-29 | American Agricultural Chem Co | Process for obtaining orthophosphoric acid and/or conversion products thereof |
| DE884358C (de) * | 1951-09-20 | 1953-07-27 | Gerardo Collardin | Verfahren zur Reinigung von technischer Phosphorsaeure |
| US2885265A (en) * | 1955-06-21 | 1959-05-05 | Horizons Inc | Process for producing substantially pure orthophosphoric acid |
| US3072461A (en) * | 1960-07-29 | 1963-01-08 | Dow Chemical Co | Preparation of phosphoric acid |
| NL285346A (fi) * | 1962-11-09 | |||
| FR1396077A (fr) * | 1963-05-09 | 1965-04-16 | Israel Mining Ind Inst For Res | Procédé de purification d'acide phosphorique |
| DE1217932B (de) * | 1963-05-09 | 1966-06-02 | Israel Mining Ind I For Res An | Verfahren zur Gewinnung von reiner, konzentrierter Phosphorsaeure |
| US3367738A (en) * | 1963-09-23 | 1968-02-06 | Tennessee Corp | Process for purifying wet process phosphoric acid with ethyl ether |
| FR1373614A (fr) * | 1963-11-08 | 1964-09-25 | Stamicarbon | Procédé pour la séparation de nitrate de chaux et d'acides se trouvant dans une solution qui a été obtenue lors de la décomposition de phosphate brut à l'aide d'acide nitrique, et ensuite la préparation d'acide phosphorique et de phosphates à base de cette séparation |
| US3466141A (en) * | 1966-02-22 | 1969-09-09 | Mini Ind Chimice | Process for the production of sodium phosphates |
| IL30194A (en) * | 1967-06-20 | 1972-09-28 | Romanian State Ministry Of Che | Process for manufacturing sodium tripolyphosphate |
-
1971
- 1971-05-24 SE SE667371A patent/SE366972B/xx unknown
- 1971-06-01 DE DE19712127141 patent/DE2127141C3/de not_active Expired
- 1971-06-03 FI FI154371A patent/FI54908C/fi active
- 1971-06-04 NL NL7107718A patent/NL157578B/xx not_active IP Right Cessation
- 1971-06-08 GB GB1951571A patent/GB1357614A/en not_active Expired
- 1971-06-10 NO NO219671A patent/NO132389C/no unknown
- 1971-06-11 BE BE768426A patent/BE768426A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2127141C3 (de) | 1986-03-27 |
| NL157578B (nl) | 1978-08-15 |
| NL7107718A (fi) | 1971-12-14 |
| BE768426A (fr) | 1971-12-13 |
| DE2127141B2 (de) | 1978-05-03 |
| NO132389C (fi) | 1975-11-05 |
| NO132389B (fi) | 1975-07-28 |
| FI54908C (fi) | 1979-04-10 |
| DE2127141A1 (de) | 1971-12-16 |
| GB1357614A (en) | 1974-06-26 |
| FI54908B (fi) | 1978-12-29 |