FR2128480A1 - - Google Patents
Info
- Publication number
- FR2128480A1 FR2128480A1 FR7207078A FR7207078A FR2128480A1 FR 2128480 A1 FR2128480 A1 FR 2128480A1 FR 7207078 A FR7207078 A FR 7207078A FR 7207078 A FR7207078 A FR 7207078A FR 2128480 A1 FR2128480 A1 FR 2128480A1
- 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.)
- Withdrawn
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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1257—Oxidation ditches
-
- 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
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1294—"Venturi" aeration means
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11946371A | 1971-03-01 | 1971-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2128480A1 true FR2128480A1 (fr) | 1972-10-20 |
Family
ID=22384539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7207078A Withdrawn FR2128480A1 (fr) | 1971-03-01 | 1972-03-01 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3733263A (fr) |
CA (1) | CA968890A (fr) |
DE (1) | DE2210293A1 (fr) |
FR (1) | FR2128480A1 (fr) |
ZA (1) | ZA721345B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA733195B (en) * | 1973-05-11 | 1975-09-24 | R Moore | Improvements in liquids/solid gravity separator or settling tanks |
US3897000A (en) * | 1973-11-08 | 1975-07-29 | Houdaille Industries Inc | Multiple jet aerator module |
DE2404289B2 (de) * | 1974-01-30 | 1977-12-29 | Basf Ag, 6700 Ludwigshafen | Belebungsbecken zur biologischen reinigung von abwasser |
DE2412543C2 (de) * | 1974-03-15 | 1977-06-23 | Schreiber, August, Dr.-Ing., 3001 Vinnhorst | Vorrichtung zur biologischen Reinigung von Abwasser mit einem langgestreckten Umlaufbecken. |
US3917532A (en) * | 1974-04-11 | 1975-11-04 | Davis Water & Waste Ind Inc | Sewage treatment plant |
NL7405628A (nl) * | 1974-04-26 | 1975-10-28 | Stamicarbon | Werkwijze en inrichting voor het begassen van vloeistoffen. |
US3960718A (en) * | 1974-08-05 | 1976-06-01 | Lebo Willis R | Method and apparatus for treating liquid sewage and waste |
US4009106A (en) * | 1975-06-18 | 1977-02-22 | Envirex Inc. | Clarifier with overflow scum removal |
US4021348A (en) * | 1975-10-15 | 1977-05-03 | Alvin Jack Smith | Aerated sewerwage effluent disposal system |
US4110215A (en) * | 1976-03-22 | 1978-08-29 | Sun Oil Company Of Pennsylvania | Liquid level control system for separation tank |
US4152259A (en) * | 1977-12-22 | 1979-05-01 | Clevepak Corporation | Backflushing method |
US4284510A (en) * | 1978-05-11 | 1981-08-18 | Canadian Liquid Air Ltd./Air Liquide Canada Ltee. | Two zone process for biological treatment of waste water |
US4197202A (en) * | 1978-07-19 | 1980-04-08 | Przedsiebiorstwo Instalacjiprzemyslowych "Instal" | Biological sewage treatment plant |
US4290884A (en) * | 1978-08-25 | 1981-09-22 | Clevepak Corporation | Nitrification-denitrification system |
US4301007A (en) * | 1979-11-08 | 1981-11-17 | Canadian Liquid Air Ltd./Air Liquide Canada Ltee. | Two zone apparatus for biological treatment of waste water |
AT383798B (de) * | 1983-05-05 | 1987-08-25 | Waagner Biro Ag | Verfahren und einrichtung zur biologischen und gegebenfalls chemischen reinigung von abwaessern |
US4687576A (en) * | 1985-09-16 | 1987-08-18 | Hardison John C | Current propelled waste water treatment mechanism |
DE4033038C2 (de) * | 1990-10-18 | 1994-02-03 | Schreiber Berthold | Belebungsanlage mit trichterförmigem Nachklärbecken |
AT414124B (de) * | 2004-04-14 | 2006-09-15 | Wadl Siegfried | Kläranlage |
-
1971
- 1971-03-01 US US3733263D patent/US3733263A/en not_active Expired - Lifetime
-
1972
- 1972-02-17 CA CA134,927A patent/CA968890A/en not_active Expired
- 1972-02-29 DE DE19722210293 patent/DE2210293A1/de active Pending
- 1972-02-29 ZA ZA721345A patent/ZA721345B/xx unknown
- 1972-03-01 FR FR7207078A patent/FR2128480A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA968890A (en) | 1975-06-03 |
ZA721345B (en) | 1972-11-29 |
DE2210293A1 (de) | 1972-09-14 |
US3733263A (en) | 1973-05-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |