BE640372A - - Google Patents
Info
- Publication number
- BE640372A BE640372A BE640372A BE640372A BE640372A BE 640372 A BE640372 A BE 640372A BE 640372 A BE640372 A BE 640372A BE 640372 A BE640372 A BE 640372A BE 640372 A BE640372 A BE 640372A
- Authority
- BE
- Belgium
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
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US242607A US3310374A (en) | 1962-12-06 | 1962-12-06 | Process for removing iron from phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE640372A true BE640372A (en:Method) | 1964-05-25 |
Family
ID=22915474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640372A BE640372A (en:Method) | 1962-12-06 | 1963-11-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3310374A (en:Method) |
| BE (1) | BE640372A (en:Method) |
| BR (1) | BR6355179D0 (en:Method) |
| DE (1) | DE1188054B (en:Method) |
| GB (1) | GB1053929A (en:Method) |
| NL (1) | NL301498A (en:Method) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6604002A (en:Method) * | 1965-03-25 | 1966-09-26 | ||
| US3437454A (en) * | 1966-04-26 | 1969-04-08 | Kerr Mc Gee Chem Corp | Vanadium recovery from wet process phosphoric acid using alpha-hydroxy oximes |
| US3529932A (en) * | 1966-10-31 | 1970-09-22 | Toyo Soda Mfg Co Ltd | Process for removing titanium from titanium-containing phosphoric acid |
| JPS5333960B2 (en:Method) * | 1972-06-10 | 1978-09-18 | ||
| US3991165A (en) * | 1973-06-23 | 1976-11-09 | Occidental Petroleum Corporation | Process for the purification of phosphoric acid using amines |
| JPS5297394A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Removal of organic matter in phosphoric acid |
| US4279877A (en) * | 1980-01-10 | 1981-07-21 | W. R. Grace & Co. | Oxidative control of post precipitation in phosphoric acid |
| US4301131A (en) * | 1980-11-28 | 1981-11-17 | W. R. Grace & Co. | Oxidation of phosphoric acid plus K compound addition |
| DE3218599A1 (de) * | 1982-05-18 | 1983-12-01 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
| DE3327394A1 (de) * | 1982-05-18 | 1985-02-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
| DE4010778A1 (de) * | 1989-05-26 | 1990-11-29 | Budenheim Rud A Oetker Chemie | Verbessertes verfahren zum entfernen von cadmium-ionen aus nassverfahrensphosphorsaeure |
| SE537780C2 (sv) | 2013-05-02 | 2015-10-13 | Easymining Sweden Ab | Produktion av fosfatföreningar från material innehållande fosfor och åtminstone ett av järn och aluminium |
| CN103757668B (zh) * | 2013-12-26 | 2016-09-28 | 广西科技大学 | 分离含锡液中亚铁离子的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US306664A (en) * | 1884-10-14 | Sidney gilcheist thomas and thomas twynam | ||
| US1642244A (en) * | 1922-10-31 | 1927-09-13 | Grasselli Chemical Co | Process of making sodium phosphates |
| US2336448A (en) * | 1940-04-01 | 1943-12-07 | Virginia Carolina Chem Corp | Phosphoric acid composition |
| US2880063A (en) * | 1956-06-25 | 1959-03-31 | Makhtsavei Israel | Process for the preparation of phosphoric acid |
| US2955918A (en) * | 1956-08-24 | 1960-10-11 | Monsanto Chemicals | Purification of phosphoric acid |
| US2968528A (en) * | 1957-07-01 | 1961-01-17 | Int Minerals & Chem Corp | Process for producing clarified phosphoric acid |
| US3072461A (en) * | 1960-07-29 | 1963-01-08 | Dow Chemical Co | Preparation of phosphoric acid |
| US3129170A (en) * | 1960-10-25 | 1964-04-14 | Int Minerals & Chem Corp | Process for the clarification of an acidic inorganic phosphatic solution |
-
0
- NL NL301498D patent/NL301498A/xx unknown
- GB GB1053929D patent/GB1053929A/en active Active
-
1962
- 1962-12-06 US US242607A patent/US3310374A/en not_active Expired - Lifetime
-
1963
- 1963-11-25 BE BE640372A patent/BE640372A/xx unknown
- 1963-11-28 DE DED43045A patent/DE1188054B/de active Pending
- 1963-12-05 BR BR155179/63A patent/BR6355179D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1188054B (de) | 1965-03-04 |
| GB1053929A (en:Method) | |
| NL301498A (en:Method) | |
| US3310374A (en) | 1967-03-21 |
| BR6355179D0 (pt) | 1973-07-19 |