NL7611386A - PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID. - Google Patents
PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID.Info
- Publication number
- NL7611386A NL7611386A NL7611386A NL7611386A NL7611386A NL 7611386 A NL7611386 A NL 7611386A NL 7611386 A NL7611386 A NL 7611386A NL 7611386 A NL7611386 A NL 7611386A NL 7611386 A NL7611386 A NL 7611386A
- Authority
- NL
- Netherlands
- Prior art keywords
- purification
- phosphoric acid
- phosphoric
- acid
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7531518A FR2327961A1 (en) | 1975-10-15 | 1975-10-15 | PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7611386A true NL7611386A (en) | 1977-04-19 |
NL183641B NL183641B (en) | 1988-07-18 |
NL183641C NL183641C (en) | 1988-12-16 |
Family
ID=9161216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7611386A NL183641C (en) | 1975-10-15 | 1976-10-14 | METHOD FOR PURIFYING PHOSPHORIC ACID. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5252196A (en) |
BR (1) | BR7606813A (en) |
DE (1) | DE2645777A1 (en) |
ES (1) | ES452248A1 (en) |
FR (1) | FR2327961A1 (en) |
GB (1) | GB1556478A (en) |
GR (1) | GR61279B (en) |
IT (1) | IT1124766B (en) |
NL (1) | NL183641C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES487897A1 (en) * | 1979-01-25 | 1980-06-16 | Stamicarbon | Process for recovering a uranium-containing concentrate and purified phosphoric acid from wet-process phosphoric acid, and products thus obtained. |
NL7905699A (en) * | 1979-07-24 | 1981-01-27 | Stamicarbon | PROCESS FOR PREPARING PHOSPHATES AND A URANIUM CONTAINING CONCENTRATE FROM WET PROCESS PHOSPHORIC ACID, AND PHOSPHATES AND URANIUM CONTAINING CONCENTRATE OBTAINED USING THIS PROCESS. |
NL8004221A (en) * | 1980-07-23 | 1982-02-16 | Stamicarbon | METHOD FOR RECOVERING A URANIUM-CONTAINING CONTAIN AND PURIFIED PHOSPHORIC ACID, AND URANIUM-CONTAINING CONTAINER AND PURIFIED PHOSPHORIC ACID OBTAINED BY THIS METHOD |
JP5242061B2 (en) * | 2007-02-08 | 2013-07-24 | 日本リファイン株式会社 | Method and apparatus for obtaining purified phosphoric acid from aqueous phosphoric acid solution containing a plurality of metal ions |
CN115403018B (en) * | 2022-08-01 | 2024-01-30 | 深圳市德方纳米科技股份有限公司 | Method for preparing ferric phosphate by high-impurity phosphoric acid and preparation method of positive electrode material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2204779B2 (en) * | 1972-02-02 | 1976-06-16 | Friedrich Uhde Gmbh, 4600 Dortmund | PROCESS FOR THE PRODUCTION OF AMMONPHOSPHATES |
DE2435789C3 (en) * | 1974-07-25 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Process for the purification of phosphoric acid with the help of 3-methoxybutanol |
-
1975
- 1975-10-15 FR FR7531518A patent/FR2327961A1/en active Granted
-
1976
- 1976-10-05 GR GR51845A patent/GR61279B/en unknown
- 1976-10-08 ES ES452248A patent/ES452248A1/en not_active Expired
- 1976-10-08 IT IT2812376A patent/IT1124766B/en active
- 1976-10-09 DE DE19762645777 patent/DE2645777A1/en active Granted
- 1976-10-09 JP JP12178376A patent/JPS5252196A/en active Granted
- 1976-10-11 GB GB4209776A patent/GB1556478A/en not_active Expired
- 1976-10-12 BR BR7606813A patent/BR7606813A/en unknown
- 1976-10-14 NL NL7611386A patent/NL183641C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES452248A1 (en) | 1977-11-01 |
JPS5252196A (en) | 1977-04-26 |
GR61279B (en) | 1978-10-17 |
BR7606813A (en) | 1977-08-30 |
JPS6245163B2 (en) | 1987-09-25 |
FR2327961B1 (en) | 1980-10-24 |
GB1556478A (en) | 1979-11-28 |
NL183641C (en) | 1988-12-16 |
IT1124766B (en) | 1986-05-14 |
FR2327961A1 (en) | 1977-05-13 |
DE2645777C2 (en) | 1988-04-21 |
DE2645777A1 (en) | 1977-04-21 |
NL183641B (en) | 1988-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CNR | Transfer of rights (patent application after its laying openfor public ins pection) |
Free format text: OFFICE CHERIFIEN DES PHOSPHATES |
|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |