FR2310159B1 - - Google Patents
Info
- Publication number
- FR2310159B1 FR2310159B1 FR7514062A FR7514062A FR2310159B1 FR 2310159 B1 FR2310159 B1 FR 2310159B1 FR 7514062 A FR7514062 A FR 7514062A FR 7514062 A FR7514062 A FR 7514062A FR 2310159 B1 FR2310159 B1 FR 2310159B1
- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0088—Cascade evaporators
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/88—Concentration of sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7514062A FR2310159A1 (fr) | 1975-05-06 | 1975-05-06 | Bac pour les installations comportant des ecoulements en cascade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7514062A FR2310159A1 (fr) | 1975-05-06 | 1975-05-06 | Bac pour les installations comportant des ecoulements en cascade |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2310159A1 FR2310159A1 (fr) | 1976-12-03 |
FR2310159B1 true FR2310159B1 (fr) | 1978-03-17 |
Family
ID=9154886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7514062A Granted FR2310159A1 (fr) | 1975-05-06 | 1975-05-06 | Bac pour les installations comportant des ecoulements en cascade |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2310159A1 (fr) |
-
1975
- 1975-05-06 FR FR7514062A patent/FR2310159A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2310159A1 (fr) | 1976-12-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |