FR2265676A1 - Concn. of phosphoric acid - in a two stage process using known appts. to save energy - Google Patents
Concn. of phosphoric acid - in a two stage process using known appts. to save energyInfo
- Publication number
- FR2265676A1 FR2265676A1 FR7410091A FR7410091A FR2265676A1 FR 2265676 A1 FR2265676 A1 FR 2265676A1 FR 7410091 A FR7410091 A FR 7410091A FR 7410091 A FR7410091 A FR 7410091A FR 2265676 A1 FR2265676 A1 FR 2265676A1
- Authority
- FR
- France
- Prior art keywords
- concn
- phosphoric acid
- appts
- save energy
- stage process
- Prior art date
- 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.)
- Granted
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 2
- 229920000388 Polyphosphate Polymers 0.000 abstract 1
- 239000001205 polyphosphate Substances 0.000 abstract 1
- 235000011176 polyphosphates Nutrition 0.000 abstract 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)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paper (AREA)
Priority Applications (5)
| 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 |
| BE149506A BE821040A (fr) | 1974-03-25 | 1974-10-14 | Nouveau procede economique de concentration de l'acide phosphorique |
| NL7414326A NL7414326A (nl) | 1974-03-25 | 1974-11-04 | Werkwijze voor het concentreren van fosforzuur en daartoe geschikte inrichting. |
| ES432014A ES432014A1 (es) | 1974-03-25 | 1974-11-16 | Procedimiento de concentracion de acido fosforico en circu-lacion forzada y bajo vacio. |
| ES436840A ES436840A1 (es) | 1974-03-25 | 1975-04-22 | Instalacion de concentracion de acido fosforico en circula-cion forzada y bajo vacio. |
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2265676A1 true FR2265676A1 (en) | 1975-10-24 |
| FR2265676B1 FR2265676B1 (fr) | 1977-10-07 |
Family
ID=9136761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7410091A Granted FR2265676A1 (en) | 1974-03-25 | 1974-03-25 | Concn. of phosphoric acid - in a two stage process using known appts. to save energy |
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 |
|---|---|
| ES432014A1 (es) | 1976-10-16 |
| ES436840A1 (es) | 1976-12-01 |
| BE821040A (fr) | 1975-02-03 |
| NL7414326A (nl) | 1975-09-29 |
| FR2265676B1 (fr) | 1977-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |