FR2235876B1 - - Google Patents
Info
- Publication number
- FR2235876B1 FR2235876B1 FR7422510A FR7422510A FR2235876B1 FR 2235876 B1 FR2235876 B1 FR 2235876B1 FR 7422510 A FR7422510 A FR 7422510A FR 7422510 A FR7422510 A FR 7422510A FR 2235876 B1 FR2235876 B1 FR 2235876B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2334019A DE2334019C3 (en) | 1973-07-04 | 1973-07-04 | Process for the purification of contaminated aqueous phosphoric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2235876A1 FR2235876A1 (en) | 1975-01-31 |
| FR2235876B1 true FR2235876B1 (en) | 1980-05-23 |
Family
ID=5885915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7422510A Expired FR2235876B1 (en) | 1973-07-04 | 1974-06-27 |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS5239799B2 (en) |
| AT (1) | AT351492B (en) |
| BE (1) | BE817018A (en) |
| BR (1) | BR7405372A (en) |
| CA (1) | CA1020725A (en) |
| CH (1) | CH603488A5 (en) |
| DD (1) | DD112420A5 (en) |
| DE (1) | DE2334019C3 (en) |
| DK (1) | DK350174A (en) |
| EG (1) | EG11909A (en) |
| ES (1) | ES426753A1 (en) |
| FI (1) | FI190074A (en) |
| FR (1) | FR2235876B1 (en) |
| GB (1) | GB1463742A (en) |
| IL (1) | IL45043A (en) |
| IT (1) | IT1018704B (en) |
| NL (1) | NL178408C (en) |
| PH (1) | PH12113A (en) |
| SE (1) | SE397332B (en) |
| SU (1) | SU589902A3 (en) |
| TR (1) | TR19869A (en) |
| ZA (1) | ZA743713B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1436113A (en) * | 1972-04-26 | 1976-05-19 | Albright & Wilson | Purification of phosphoric acid |
| DE2538720C2 (en) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Process for purifying wet process phosphoric acid |
| FR2447348A1 (en) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID |
| DE3246415A1 (en) * | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID |
| JPS60155513A (en) * | 1984-01-23 | 1985-08-15 | Mitsui Toatsu Chem Inc | Concentration of phosphoric acid solution |
| DE19703884C2 (en) | 1997-02-03 | 1999-04-29 | Bk Giulini Chem Gmbh & Co Ohg | Process for purifying wet process phosphoric acid |
| JP6143808B2 (en) * | 2015-05-28 | 2017-06-07 | 曽田香料株式会社 | Extraction method of solute components in aqueous solution |
| DE102016212242B4 (en) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Process for the production of phosphoric acid from phosphorus-containing primary and secondary raw materials |
| CN108862223A (en) * | 2018-09-07 | 2018-11-23 | 云南云天化股份有限公司 | A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency |
| CN110316891A (en) * | 2019-03-25 | 2019-10-11 | 华颢控股（集团）有限公司 | A kind of preparation method of H acid waste water extraction process and modified aliphatic water reducing agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE884358C (en) * | 1951-09-20 | 1953-07-27 | Gerardo Collardin | Process for the purification of technical phosphoric acid |
-
1973
- 1973-07-04 DE DE2334019A patent/DE2334019C3/en not_active Expired
-
1974
- 1974-05-24 NL NLAANVRAGE7407025,A patent/NL178408C/en not_active IP Right Cessation
- 1974-05-29 ES ES426753A patent/ES426753A1/en not_active Expired
- 1974-05-30 CH CH740074A patent/CH603488A5/xx not_active IP Right Cessation
- 1974-06-11 ZA ZA00743713A patent/ZA743713B/en unknown
- 1974-06-14 GB GB2647274A patent/GB1463742A/en not_active Expired
- 1974-06-16 IL IL45043A patent/IL45043A/en unknown
- 1974-06-20 FI FI1900/74A patent/FI190074A/fi unknown
- 1974-06-21 SU SU742035160A patent/SU589902A3/en active
- 1974-06-24 PH PH15977A patent/PH12113A/en unknown
- 1974-06-25 EG EG244/74A patent/EG11909A/en active
- 1974-06-26 AT AT530074A patent/AT351492B/en not_active IP Right Cessation
- 1974-06-27 JP JP49073758A patent/JPS5239799B2/ja not_active Expired
- 1974-06-27 FR FR7422510A patent/FR2235876B1/fr not_active Expired
- 1974-06-27 TR TR19869A patent/TR19869A/en unknown
- 1974-06-27 SE SE7408508A patent/SE397332B/en unknown
- 1974-06-28 DK DK350174*A patent/DK350174A/da not_active Application Discontinuation
- 1974-06-28 DD DD179576A patent/DD112420A5/xx unknown
- 1974-06-28 CA CA203,698A patent/CA1020725A/en not_active Expired
- 1974-06-28 IT IT51807/74A patent/IT1018704B/en active
- 1974-06-28 BE BE146016A patent/BE817018A/en not_active IP Right Cessation
- 1974-06-28 BR BR5372/74A patent/BR7405372A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU589902A3 (en) | 1978-01-25 |
| JPS5239799B2 (en) | 1977-10-07 |
| FI190074A (en) | 1975-01-05 |
| SE7408508L (en) | 1975-01-07 |
| BR7405372A (en) | 1976-03-03 |
| DE2334019A1 (en) | 1975-01-30 |
| EG11909A (en) | 1979-12-31 |
| CA1020725A (en) | 1977-11-15 |
| SE397332B (en) | 1977-10-31 |
| DE2334019B2 (en) | 1976-11-04 |
| IL45043A0 (en) | 1974-09-10 |
| NL178408C (en) | 1986-03-17 |
| ATA530074A (en) | 1979-01-15 |
| CH603488A5 (en) | 1978-08-15 |
| NL7407025A (en) | 1975-01-07 |
| IL45043A (en) | 1977-10-31 |
| IT1018704B (en) | 1977-10-20 |
| BE817018A (en) | 1974-12-30 |
| DK350174A (en) | 1975-03-17 |
| FR2235876A1 (en) | 1975-01-31 |
| JPS5038696A (en) | 1975-04-10 |
| PH12113A (en) | 1978-11-02 |
| ZA743713B (en) | 1975-06-25 |
| ES426753A1 (en) | 1976-07-16 |
| GB1463742A (en) | 1977-02-09 |
| DE2334019C3 (en) | 1982-11-04 |
| TR19869A (en) | 1980-03-21 |
| AT351492B (en) | 1979-07-25 |
| DD112420A5 (en) | 1975-04-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |