BE821040A - Nouveau procede economique de concentration de l'acide phosphorique - Google Patents
Nouveau procede economique de concentration de l'acide phosphoriqueInfo
- Publication number
- BE821040A BE821040A BE149506A BE149506A BE821040A BE 821040 A BE821040 A BE 821040A BE 149506 A BE149506 A BE 149506A BE 149506 A BE149506 A BE 149506A BE 821040 A BE821040 A BE 821040A
- Authority
- BE
- Belgium
- Prior art keywords
- concentration
- phosphoric acid
- economic process
- new economic
- new
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
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
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
- C01B25/2346—Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7410091A FR2265676A1 (en) | 1974-03-25 | 1974-03-25 | Concn. of phosphoric acid - in a two stage process using known appts. to save energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE821040A true BE821040A (fr) | 1975-02-03 |
Family
ID=9136761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE149506A BE821040A (fr) | 1974-03-25 | 1974-10-14 | Nouveau procede economique de concentration de l'acide phosphorique |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE821040A (fr) |
| ES (2) | ES432014A1 (fr) |
| FR (1) | FR2265676A1 (fr) |
| NL (1) | NL7414326A (fr) |
-
1974
- 1974-03-25 FR FR7410091A patent/FR2265676A1/fr active Granted
- 1974-10-14 BE BE149506A patent/BE821040A/fr not_active IP Right Cessation
- 1974-11-04 NL NL7414326A patent/NL7414326A/xx not_active Application Discontinuation
- 1974-11-16 ES ES432014A patent/ES432014A1/es not_active Expired
-
1975
- 1975-04-22 ES ES436840A patent/ES436840A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES436840A1 (es) | 1976-12-01 |
| ES432014A1 (es) | 1976-10-16 |
| FR2265676B1 (fr) | 1977-10-07 |
| FR2265676A1 (en) | 1975-10-24 |
| NL7414326A (nl) | 1975-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: APPAREILS ET EVAPORATEURS KESTNER Effective date: 19871031 |