FR2323638B1 - - Google Patents
Info
- Publication number
- FR2323638B1 FR2323638B1 FR7627406A FR7627406A FR2323638B1 FR 2323638 B1 FR2323638 B1 FR 2323638B1 FR 7627406 A FR7627406 A FR 7627406A FR 7627406 A FR7627406 A FR 7627406A FR 2323638 B1 FR2323638 B1 FR 2323638B1
- 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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11017475A JPS5234548A (en) | 1975-09-10 | 1975-09-10 | Tertiary treatment of waste water containing fluorine |
JP50113058A JPS5236571A (en) | 1975-09-17 | 1975-09-17 | Method for removing fluorine ion in water with aluminium ion |
JP14615175A JPS5270559A (en) | 1975-12-06 | 1975-12-06 | Method of removing fluorine in clean water |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2323638A1 FR2323638A1 (en) | 1977-04-08 |
FR2323638B1 true FR2323638B1 (en) | 1978-11-03 |
Family
ID=27311658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7627406A Granted FR2323638A1 (en) | 1975-09-10 | 1976-09-10 | METHOD TO REMOVE FLUORINE FROM WATER |
Country Status (4)
Country | Link |
---|---|
DD (1) | DD128059A5 (en) |
DE (1) | DE2637048A1 (en) |
FR (1) | FR2323638A1 (en) |
GB (1) | GB1560674A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3129473A1 (en) * | 1981-07-25 | 1983-02-10 | Bayer Ag, 5090 Leverkusen | Process for purifying fluoride-containing waste waters |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1679777A (en) * | 1926-12-23 | 1928-08-07 | Nat Aluminate Corp | Process of treating water |
US2531451A (en) * | 1947-10-07 | 1950-11-28 | Franz J Maier | Water purification |
JPS50120162A (en) * | 1974-03-11 | 1975-09-20 |
-
1976
- 1976-08-18 DE DE19762637048 patent/DE2637048A1/en active Pending
- 1976-09-03 GB GB3663576A patent/GB1560674A/en not_active Expired
- 1976-09-09 DD DD19471176A patent/DD128059A5/en unknown
- 1976-09-10 FR FR7627406A patent/FR2323638A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1560674A (en) | 1980-02-06 |
DE2637048A1 (en) | 1977-03-17 |
FR2323638A1 (en) | 1977-04-08 |
DD128059A5 (en) | 1977-10-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |