FR2291157B1 - - Google Patents
Info
- Publication number
- FR2291157B1 FR2291157B1 FR7535087A FR7535087A FR2291157B1 FR 2291157 B1 FR2291157 B1 FR 2291157B1 FR 7535087 A FR7535087 A FR 7535087A FR 7535087 A FR7535087 A FR 7535087A FR 2291157 B1 FR2291157 B1 FR 2291157B1
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
- Biological Treatment Of Waste Water (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1534674A CH572003A5 (OSRAM) | 1974-11-18 | 1974-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291157A1 FR2291157A1 (fr) | 1976-06-11 |
| FR2291157B1 true FR2291157B1 (OSRAM) | 1980-01-11 |
Family
ID=4408336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7535087A Granted FR2291157A1 (fr) | 1974-11-18 | 1975-11-17 | Procede d'epuration biologique de l'eau residuaire et installation pour sa mise en oeuvre |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5839596B2 (OSRAM) |
| AT (1) | AT333676B (OSRAM) |
| CA (1) | CA1049162A (OSRAM) |
| CH (1) | CH572003A5 (OSRAM) |
| CS (1) | CS190502B2 (OSRAM) |
| FR (1) | FR2291157A1 (OSRAM) |
| GB (1) | GB1496069A (OSRAM) |
| IT (1) | IT1053080B (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU186132B (en) * | 1982-10-06 | 1985-06-28 | Janos Fenyoevari | Terrace-coffered sewege cleaner and process for cleaning of sewers |
| YU224086A (en) * | 1986-12-24 | 1989-06-30 | Ina | Device for biological purifying of waste waters without remainings of active sludge |
| DE3929510A1 (de) * | 1988-10-11 | 1990-04-19 | Envicon Luft & Wassertechnik | Klaeranlage |
| GB9305022D0 (en) * | 1993-03-11 | 1993-04-28 | Biwater Europ Limited | Bifilm process and plant |
-
1974
- 1974-11-18 CH CH1534674A patent/CH572003A5/xx not_active IP Right Cessation
-
1975
- 1975-01-20 GB GB230175A patent/GB1496069A/en not_active Expired
- 1975-01-21 AT AT44575A patent/AT333676B/de not_active IP Right Cessation
- 1975-11-14 CS CS772375A patent/CS190502B2/cs unknown
- 1975-11-17 FR FR7535087A patent/FR2291157A1/fr active Granted
- 1975-11-17 IT IT961775A patent/IT1053080B/it active
- 1975-11-18 JP JP50138633A patent/JPS5839596B2/ja not_active Expired
- 1975-11-18 CA CA75239868A patent/CA1049162A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1496069A (en) | 1977-12-21 |
| AT333676B (de) | 1976-12-10 |
| CH572003A5 (OSRAM) | 1976-01-30 |
| JPS5173762A (OSRAM) | 1976-06-25 |
| JPS5839596B2 (ja) | 1983-08-31 |
| DE2459634A1 (de) | 1976-05-20 |
| CS190502B2 (en) | 1979-05-31 |
| FR2291157A1 (fr) | 1976-06-11 |
| AU8670075A (en) | 1977-05-26 |
| ATA44575A (de) | 1976-03-15 |
| DE2459634B2 (de) | 1977-04-21 |
| IT1053080B (it) | 1981-08-31 |
| CA1049162A (en) | 1979-02-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |