NL6509687A - - Google Patents
Info
- Publication number
- NL6509687A NL6509687A NL6509687A NL6509687A NL6509687A NL 6509687 A NL6509687 A NL 6509687A NL 6509687 A NL6509687 A NL 6509687A NL 6509687 A NL6509687 A NL 6509687A NL 6509687 A NL6509687 A NL 6509687A
- 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3001364A GB1103224A (en) | 1964-07-28 | 1964-07-28 | Improvements in the manufacture of phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6509687A true NL6509687A (xx) | 1966-01-31 |
Family
ID=10300860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6509687A NL6509687A (xx) | 1964-07-28 | 1965-07-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE667387A (xx) |
| FR (1) | FR1564461A (xx) |
| GB (1) | GB1103224A (xx) |
| NL (1) | NL6509687A (xx) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070443A (en) * | 1976-02-13 | 1978-01-24 | Toyo Soda Manufacturing Co., Ltd. | Process for removing sulfate ions from extracted phosphoric acid with a barium compound |
| US4299805A (en) * | 1978-03-30 | 1981-11-10 | Calgon Corporation | Regeneration of carbon employed in the wet process production of phosphoric acid |
| CA1124031A (en) * | 1978-03-30 | 1982-05-25 | Bruce D. Wells | Regeneration of activated carbon employed in the wet process production of phosphoric acid |
| US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
| FR2447347A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de traitement d'un acide phosphorique impur |
| AU5545180A (en) * | 1979-02-21 | 1980-08-28 | Calgon Corporation | Purifying brown phosphoric acid |
| US4297334A (en) | 1979-02-21 | 1981-10-27 | Calgon Corporation | Process for removing color bodies from brown phosphoric acid |
| US4256570A (en) * | 1979-03-19 | 1981-03-17 | International Minerals & Chemical Corporation | Purification of phosphoric acid |
| US4369168A (en) * | 1979-08-21 | 1983-01-18 | Calgon Corporation | Regeneration of carbon employed in the wet process production of alkali metal phosphates |
| US4341638A (en) * | 1979-10-17 | 1982-07-27 | International Minerals & Chemical Corp. | Purification of phosphoric acid |
| US4495165A (en) * | 1983-10-03 | 1985-01-22 | Gurza Guillermo R | Method of purification of phosphoric acid |
| DE3806822A1 (de) * | 1988-03-03 | 1989-09-14 | Hoechst Ag | Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure |
-
1964
- 1964-07-28 GB GB3001364A patent/GB1103224A/en not_active Expired
-
1965
- 1965-07-23 FR FR1564461D patent/FR1564461A/fr not_active Expired
- 1965-07-26 BE BE667387D patent/BE667387A/xx unknown
- 1965-07-27 NL NL6509687A patent/NL6509687A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1103224A (en) | 1968-02-14 |
| FR1564461A (xx) | 1969-04-25 |
| BE667387A (xx) | 1965-11-16 |