NL6604002A - - Google Patents
Info
- Publication number
- NL6604002A NL6604002A NL6604002A NL6604002A NL6604002A NL 6604002 A NL6604002 A NL 6604002A NL 6604002 A NL6604002 A NL 6604002A NL 6604002 A NL6604002 A NL 6604002A NL 6604002 A NL6604002 A NL 6604002A
- Authority
- NL
- Netherlands
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)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44280165A | 1965-03-25 | 1965-03-25 | |
| US72590568A | 1968-05-01 | 1968-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6604002A true NL6604002A (fr) | 1966-09-26 |
Family
ID=27033291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6604002A NL6604002A (fr) | 1965-03-25 | 1966-03-25 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3479139A (fr) |
| NL (1) | NL6604002A (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632311A (en) * | 1970-05-28 | 1972-01-04 | Procter & Gamble | Separation of phosphorous acid from mixtures of phosphorous acid and phosphoric acid by amine extraction |
| US3880980A (en) * | 1972-11-30 | 1975-04-29 | Allied Chem | Recovery of uranium from HCl digested phosphate rock solution |
| JPS5651122B2 (fr) * | 1973-05-10 | 1981-12-03 | ||
| US3991165A (en) * | 1973-06-23 | 1976-11-09 | Occidental Petroleum Corporation | Process for the purification of phosphoric acid using amines |
| US3975178A (en) * | 1973-10-12 | 1976-08-17 | Tennessee Valley Authority | Purification of wet-process phosphoric acid with methanol and ammonia |
| US4108963A (en) * | 1974-06-25 | 1978-08-22 | Produits Chimiques Ugine Kuhlmann | Process for purifying phosphoric acid |
| FR2281892A1 (fr) * | 1974-08-13 | 1976-03-12 | Rhone Poulenc Ind | Procede de defluoration d'acide phosphorique |
| US4374805A (en) * | 1978-05-26 | 1983-02-22 | Uranium Recovery Corporation | Reductants for reducing metals in acid media |
| US4225396A (en) * | 1978-10-10 | 1980-09-30 | Kerr-Mcgee Corporation | Vanadium and uranium oxidation by controlled potential electrolysis |
| US4243494A (en) * | 1979-04-19 | 1981-01-06 | Kerr-Mcgee Corporation | Process for oxidizing a metal of variable valence by controlled potential electrolysis |
| US4279705A (en) * | 1980-02-19 | 1981-07-21 | Kerr-Mcgee Corporation | Process for oxidizing a metal of variable valence by constant current electrolysis |
| US4485078A (en) * | 1982-03-16 | 1984-11-27 | Agrico Chemical Company | Process for producing wet process phosphoric acid from phosphate rocks containing fluochlorapatite and related minerals |
| AU2015339815B2 (en) * | 2014-10-30 | 2019-05-02 | Jacobs Engineering Group Inc. | Method for removing iron in the manufacture of phosphoric acid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3145081A (en) * | 1961-12-28 | 1964-08-18 | Dow Chemical Co | Process for concentration and purification of beryllium values |
| NL301498A (fr) * | 1962-12-06 | |||
| US3361527A (en) * | 1964-02-13 | 1968-01-02 | Monsanto Co | Process for separating iron from phosphoric acid containing the same |
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1966
- 1966-03-25 NL NL6604002A patent/NL6604002A/xx unknown
-
1968
- 1968-05-01 US US725905A patent/US3479139A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3479139A (en) | 1969-11-18 |