FR2097874A5 - - Google Patents
Info
- Publication number
- FR2097874A5 FR2097874A5 FR7121496A FR7121496A FR2097874A5 FR 2097874 A5 FR2097874 A5 FR 2097874A5 FR 7121496 A FR7121496 A FR 7121496A FR 7121496 A FR7121496 A FR 7121496A FR 2097874 A5 FR2097874 A5 FR 2097874A5
- 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- 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
- C02F3/145—Protection against aerosols
-
- 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)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4605570A | 1970-06-15 | 1970-06-15 | |
| US11871471A | 1971-02-25 | 1971-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2097874A5 true FR2097874A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-03 |
Family
ID=26723515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7121496A Expired FR2097874A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-06-15 | 1971-06-14 |
Country Status (4)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329334A1 (fr) * | 1975-10-31 | 1977-05-27 | Air Prod & Chem | Appareil destine a dissoudre un gaz dans un liquide et procede de pisciculture |
| FR2633608A1 (fr) * | 1988-06-30 | 1990-01-05 | Degremont | Appareil perfectionne pour l'epaississement, par flottation, de boues produites lors du traitement d'eaux |
| EP0521241A1 (de) * | 1991-06-25 | 1993-01-07 | Sanwa Seidlitz Gmbh | Vorrichtung zum Anreichern von Gewässern mit Sauerstoff |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1304565B1 (it) * | 1998-07-08 | 2001-03-19 | Silvano Becchi | Apparecchiatura perfezionata per la ossigenazione di acque nei bacini. |
-
1971
- 1971-05-29 DE DE19712126821 patent/DE2126821A1/de active Pending
- 1971-06-03 GB GB1290308D patent/GB1290308A/en not_active Expired
- 1971-06-09 CA CA115,261A patent/CA940242A/en not_active Expired
- 1971-06-14 FR FR7121496A patent/FR2097874A5/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329334A1 (fr) * | 1975-10-31 | 1977-05-27 | Air Prod & Chem | Appareil destine a dissoudre un gaz dans un liquide et procede de pisciculture |
| FR2633608A1 (fr) * | 1988-06-30 | 1990-01-05 | Degremont | Appareil perfectionne pour l'epaississement, par flottation, de boues produites lors du traitement d'eaux |
| US4994182A (en) * | 1988-06-30 | 1991-02-19 | Degremont | Apparatus for the thickening by floatation of slurries produced during the treatment of waters |
| EP0521241A1 (de) * | 1991-06-25 | 1993-01-07 | Sanwa Seidlitz Gmbh | Vorrichtung zum Anreichern von Gewässern mit Sauerstoff |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2126821A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-30 |
| CA940242A (en) | 1974-01-15 |
| GB1290308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |